Article

First and Second Languages Differentially Affect Rationality When Making Decisions: An ERP Study

Authors:
To read the full-text of this research, you can request a copy directly from the authors.

Abstract

The present study examined how decision-making is affected by first (L1) and second languages (L2), emotion, and cognitive load. In a cross-task study, 30 Chinese-English bilinguals were asked to implement lexical-semantic judgement and gambling task. The results showed that after lexical decisions under high cognitive load, P3 was more positive for negative words than for neutral words in L1. The reverse was the case in the L2 in which P3 was more positive for neutral words compared to negative words. Critically, under high cognitive load, as the P3 effect increased for negative words relative to neutral words, the rationality of the decisions after these negative words decreased in the L1 but increased in the L2. The results moreover revealed that the increased Granger causal strength predicted more rational choices in the L2 high-load negative condition. Altogether, the findings offer evidence of how L1s and L2s can differentially influence rational decision-making.

No full-text available

Request Full-text Paper PDF

To read the full-text of this research,
you can request a copy directly from the authors.

... To address this limitation, a line of research made attempts to examine the extent of emotional and cognitive involvement in moral decision making and bilingual processing by utilizing neuroimaging and psychophysiological measures [13,[22][23][24][25]. For instance, the event-related potential (ERP) technique draws on a high temporal resolution and measures the scalp electricity on a millisecond-by-millisecond basis while people are performing cognitive tasks [26,27], which can help decode the sub-processes and time courses of specific cognitive events. ...
... In addition, the automatic N1 and N2 components were found to be associated with a framing effect (harm vs. help frames) in L1, yet not in L2, which was thus interpreted as a reduced emotion effect. Similar results were also obtained by Liu, Schwieter, Wang and Liu [24] using lexical-semantic judgment and gambling tasks, in which the rationality of making decisions in L1 Chinese after negative words was reduced yet enhanced in L2 English, as manifested by the P3 effect. ...
Article
Full-text available
Morality has been an integral part of social cognition and our daily life, and different languages may exert distinct impacts on human moral judgment. However, it remains unclear how moral concept is encoded in the bilingual brain. This study, therefore, aimed to explore the emotional and cognitive involvement of bilingual morality judgement by using combined event-related potential (ERP) and psychophysiological (including skin, heart, and pulse) measures. In the experiment, thirty-one Chinese–English bilingual participants were asked to make moral judgments in Chinese and English, respectively. Our results revealed increased early frontal N400 and decreased LPC in L1 moral concept encoding as compared to L2, suggesting that L1 was more reliant on automatic processes and emotions yet less on elaboration. In contrast, L2 moral and immoral concepts elicited enhanced LPC, decreased N400, and greater automatic psychophysiological electrocardiograph responses, which might reflect more elaborate processing despite blunted emotional responses and increased anxiety. Additionally, both behavioral and P200 data revealed a reliable immorality bias across languages. Our results were discussed in light of the dual-process framework of moral judgments and the (dis)embodiment of bilingual processing, which may advance our understanding of the interplay between language and morality as well as between emotion and cognition.
... Liu et al., 2021), which hindered or at least attenuated the access to the emotional aspects of L2 words and led the bilinguals to overlook emotional information (L. Liu et al., 2022). As a result, when our bilingual participants read the target words and sentences in the cognitively demanding L2 context, they had to use longer time to comprehend the semantic meanings, and spent even longer duration decoding the emotional connotations associated with the emotional words in a suppressed or delayed manner. ...
... Liu et al., 2021) and lead to the down-regulation of emotional circuits (L. Liu et al., 2022;Van Dillen et al., 2013). However, a prior eye-tracking experiment (Sheikh & Titone, 2016) found that L2 proficiency was only predictive of the concreteness advantage in L2 processing, rather than the emotional advantage. ...
Article
There exists insufficient eye-tracking evidence on the differences in emotional word processing between the first language (L1) and second language (L2) readers. This study conducted an eye-tracking experiment to investigate the emotional effects in L2 sentence reading, and to explore the modulation of L2 proficiency and individual emotional states. Adapted from Knickerbocker et al. (2015), the current study recorded eye movements at both early and late processing stages when late Chinese–English bilinguals read emotion-label and neutral target words in natural L2 sentences. Results indicated that L2 readers did not show the facilitation effects of lexical affective connotations during sentence reading, and they even demonstrated processing disadvantages for L2 emotional words. Additionally, the interaction effect between L2 proficiency and emotion was consistently significant for the measure of total reading time in positive words. Measurements of participants’ depressive and anxious states were not robustly correlated with eye movement measures. Our findings supplemented new evidence to existing sparse eye-tracking experiments on L2 emotion processing, and lent support to several theoretical frameworks in the bilingual research field, including the EMOTIONAL CONTEXTS OF LEARNING THEORY, LEXICAL QUALITY HYPOTHESIS and REVISED HIERARCHICAL MODEL.
... Several types of direct and indirect methods have been used to monitor stress responses. The recording of the electrical signals produced by the brain's higher functions, known as evoked potentials or eventrelated potentials (ERP), represents a waveform characteristic induced by speci c stimuli under speci c conditions, typically occurring within tens to thousands of milliseconds after stimulus presentation 12 . ...
Preprint
Full-text available
Background: Stress refers to a series of physiological and psychological reactions that occur in an organism when it is exposed to specific environmental influences in order to maintain internal homeostasis. Prolonged stress can have negative effects on psychological and physiological resilience, thus impacting health. Stress is a common manifestation in daily life, and contemporary electronic games have gained popularity as a form of entertainment, particularly action-based games which have emerged as a new type of sports activity. Although previous research has confirmed the role of the brain as the central regulator of stress responses and the ability of electronic games to modulate brain structure, further investigation is needed to understand the relationship between electronic games and the regulation of stress responses. Methodology: This study utilized a modified version of the multiplication mental arithmetic task paradigm and BP electroencephalography equipment. The accuracy and reaction time of participants were examined in three stages under stress conditions. Additionally, EEG data signals were collected to analyze and compare the amplitude and latency of ERP components. Results: The reaction time of the participants in the multiplication mental arithmetic task was significantly shorter under stress conditions compared to the control condition, while the accuracy was significantly lower. Following intervention with electronic games, the participants' reaction time in the mental arithmetic task was reduced. Even during the resting recovery period, the participants' reaction time remained significantly shorter than in the previous stages, accompanied by a significant increase in accuracy. The analysis of the ERP component data revealed that, under stress conditions, the amplitude of the P2 component was significantly lower compared to the control condition. Moreover, there were significant differences in the amplitude of the P1, P2, and LPP components during the recovery stage compared to the baseline testing and game intervention. Conclusion: The multiplication mental arithmetic task successfully induced stress responses in the participants as a laboratory stressor. Male university students exhibited improved accuracy and faster reaction times after playing electronic games. Under stress conditions, male university students demonstrated a positive effect and enhanced inhibitory ability due to the delayed impact of electronic games.
... A linguagem orienta o tratamento cognitivo que tais dados irão receber, seja do raciocínio, da memória ou da imaginação. Em síntese, a linguagem gera a racionalidade, uma condição essencial para a evolução tecnológica da humanidade (Liu et al., 2022). ...
Article
Full-text available
O recurso cada vez maior aos dispositivos digitais ligados em rede faz com que surja uma nova cultura: a cultura digital teorizada por Manuel Castells. Está tem um espaço próprio, o ciberespaço, e disponibilizada um grande acervo de conteúdos, criando aquilo que Pierre Lévy chama inteligência coletiva. Embora se alicerce sobre a crença tecnocrática de que a tecnologia promove o progresso humano, algumas pesquisas demonstram que as reais utilizações estão aquém do desejado e teorizado. As análises que se realizaram em Portugal sobre o uso da Web por parte da Igreja católica, no prosseguimento da sua missão, comprovam precisamente isso. São várias as hipóteses que procuram explicar o fenómeno. Neste texto procura-se demonstrar que uma das fragilidades existentes é que as diversas análises não consideraram a necessidade de uma nova retórica, a retórica digital.
... The amplitude accounts for the amount of atten-tional resources allocated to the task [32]. The P300 component is related to decision evaluation [33][34][35]. This component reflects motivational significance induced by the stimulus. ...
Article
Full-text available
Cognitive decision has the basic characteristics of risk avoidance and benefit seeking. To explore the neural response process of cognitive decision making, we asked 32 undergraduates to make a decision on whether to accept a specific treatment option with a certain cure rate and a certain risk rate while recording their electrical brain responses. The results showed that more participants chose the treatment option with a high cure rate and moderate or low risk. Compared with low and high risk, medium risk produced greater N1 and smaller P300. Low risk produced larger LPP than the moderate risk in the left hemisphere. The right prefrontal region appeared to have a smaller LPP for low risk than for high risk. The results suggest that individuals prioritize risk when making cognitive decisions. In addition, in medium-risk conditions, solution integration is more difficult. The effect of benefit size appears at the late stage of cognitive decision making and adjusts the effect of risk. These results support the satisfaction principle of decision making.
... These observations have been referred to as the foreign language effect (Cipolletti et al., 2016;Circi et al., 2021;Costa et al., 2014;Hayakawa et al., 2016;Keysar et al., 2012;Korn et al., 2019;Liu et al., 2020). Unraveling how L1s and L2s differentially affect decisionmaking is key to unveiling the mechanisms underlying the foreign language effect (Liu et al., 2022). ...
Article
Full-text available
A growing body of research suggests that the language in which bilinguals make decisions affects the rationality of such decisions. Furthermore, bilinguals constantly confront cross‐language interference that requires complex language control processes to resolve this competition. However, the relationship between language control and decision‐making is unclear. In the current study, we analyze electrophysiological and behavior data elicited from two groups of Chinese‐English bilinguals. One group was trained in intensive language switching and then completed the Iowa Gambling Task (IGT) and the other group completed the two tasks in the reverse order. We found that bilinguals who first received language switching training significantly scored higher on the IGT, with the score positively correlating with L1 and L2 switch costs. More importantly, training with language switching first led to an N2 component for L1 switching costs that negatively correlated with both loss feedback‐related negativity and the P3 component. These effects did not emerge among the group of bilinguals who performed the IGT first. Taken together, the findings suggest that bilinguals are assisted in making rational decisions by language control on feedback evaluation. We uncovered the benefits of language control on rational choices using event‐related potentials (ERP). First, bilinguals who benefit from language control tend to get higher net scores on decision‐making than those who do not. Second, stronger language control induces a deeper feedback evaluation, showing more rational choices. Lastly, language control influences decision‐making via inhibition on feedback evaluation.
Article
Full-text available
Compound words consist of two or more words which combine to form a single word or phrase that acts as one. In English, the head of compound words is usually, but not always, the right-most root (e.g., “paycheck” is a noun because the head, “check,” is a noun). The current study explores the effects of head position on language control by examining language switching performance through electroencephalography (EEG). Twenty-one pairs of Chinese (L1)–English (L2) bilinguals performed cued language switching in a simultaneous production and comprehension task. The results showed that bilinguals recognized the head position earlier both in production and comprehension. However, the language control of the head position during production occurred in the middle stage (N2), but in the late stage (LPC) during comprehension. These findings indicate that the head position in compound words exerts differential influences on language control.
Article
Full-text available
This review is one of the first studies to discuss the status of research on emotional processing in a healthy bilingual brain. Few articles about emotion and cognition coupling have examined how the bilingual brain differs in processing emotional stimuli from the monolingual brain in neuroimaging studies. Having diverse perspectives, tools, and methodologies in interdisciplinary research can help build our understanding of the connection between the mind, language, and emotions. This systematic review uses Moher et al., (2015) PRISMA-P to synthesize relevant publications. In this review study, we discuss common discrepancies, the techniques used to elicit data and the objectives of the emotion and cognition interaction in neuroimaging, psychophysiological and cognitive paradigms. Our findings suggest the focus of future research on simultaneous bilinguals, extended narratives instead of decontextualized stimuli and comparison of different modalities. We provide valuable insight for neurolinguistic researchers in regard to the various limitations in the existing literature that hinder the successful integration of emotion and language studies into the field of neurolinguistics.
Article
Full-text available
Recent neurolinguistic theories converge on the hypothesis that the languages of multilingual people are processed as one system in the brain. One system for the multiple languages is also at the core of a translanguaging framework of multilingualism—a framework that focuses on each speaker’s complete linguistic repertoire rather than on the separate languages they know. However, evidence from neuroimaging studies suggests at least some nonoverlapping activations of the first-acquired language (L1) and other (non-L1) languages of multilingual people, especially when the age of acquisition and/or levels of proficiency differ across the languages. Neurolinguistic studies of acquired language disorders have demonstrated that in multilingual people who experience language impairments due to brain lesion, L1 may be less impaired or better recovered than non-L1. This paper explores the evidence available to date from the study of acquired language impairment regarding this potential primacy of the first-acquired language. Findings suggest that L1 may be better preserved in many instances of language impairment, challenging the theory of a single system for multiple languages.
Article
The occurrence of unknown words in texts significantly hinders reading comprehension. To improve accessibility for specific target populations, computational modelling has been applied to identify complex words in texts and substitute them for simpler alternatives. In this paper, we present an overview of computational approaches to lexical complexity prediction focusing on the work carried out on English data. We survey relevant approaches to this problem which include traditional machine learning classifiers (e.g. SVMs, logistic regression) and deep neural networks as well as a variety of features, such as those inspired by literature in psycholinguistics as well as word frequency, word length, and many others. Furthermore, we introduce readers to past competitions and available datasets created on this topic. Finally, we include brief sections on applications of lexical complexity prediction, such as readability and text simplification, together with related studies on languages other than English.
Article
Full-text available
Research indicates that the foreign language effect on decision making can be partially explained by a reduction in emotional response in the second language. In this fMRI study, we aimed at elucidating the neural mechanisms underpinning the interaction between language and emotion in decision making. Across multiple trials, Chinese-English bilinguals were asked to decide whether to gamble or not in a Gambling task and received feedbacks either in L1 (Chinese) or in L2 (English). If they gambled, feedbacks were either positively or negatively valenced words; if they did not gamble, feedback was the word ‘safe’. We assessed how emotionally valenced words were processed in the two languages, and how this processing influenced subsequent decision making. Overall, we found evidence that in L2 context, but not in L1 context, loss aversion was mediated by the dorsolateral prefrontal cortex (dlPFC) which also showed strong functional connectivity with the visual cortex, suggesting an avoidance mechanism for negative stimuli in L2. However, we also found an enhanced response to positive feedbacks in L2 compared to L1, as evidenced by greater activation of the hippocampus for win feedbacks compared to safe feedbacks in L2, eventually resulting in a greater tendency to gamble. Foreign language therefore influenced decision making by both regulating emotional response to negative stimuli and enhancing emotional response to positive stimuli. This study helps unveiling the neural bases of the interaction between language and emotion in the foreign language context.
Article
Full-text available
Prior work has reported that foreign language influences decision making by either reducing access to emotion or imposing additional cognitive demands. In this fMRI study, we employed a cross-task design to assess at the neural level whether and how the interaction between cognitive load and emotional involvement is affected by language (native L1 vs. foreign L2). Participants completed a Lexico-semantic task where in each trial they were presented with a neutrally or a negatively valenced word either in L1 or L2, either under cognitive load or not. We manipulated cognitive load by varying the difficulty of the task: to increase cognitive demands, we used traditional characters instead of simplified ones in L1 (Chinese), and words with capital letters instead of lowercase letters in L2 (English). After each trial, participants decided whether to take a risky decision in a gambling game. During the Gamling task, left amygdala and right insula were more activated after having processed a negative word under cognitive load in the Lexico-semantic task. However, this was true for L1 but not for L2. In particular, in L1, cognitive load facilitated rather than hindered access to emotion. Further suggesting that cognitive load can enhance emotional sensitivity in L1 but not in L2, we found that functional connectivity between reward-related striatum and right insula increased under cognitive load only in L1. Overall, results suggest that cognitive load in L1 can favor access to emotion and lead to impulsive decision making, whereas cognitive load in L2 can attenuate access to emotion and lead to more rational decisions.
Article
Full-text available
Emotion words constitute a special class of verbal stimuli which can quickly activate the limbic system outside the left-hemisphere language network. Such fast response to emotion words may arise independently of the left occipitotemporal area involved in visual word-form analysis and rely on a distinct amygdala-dependent emotion circuit involved in fearful face processing. Using a hemifield priming paradigm with fMRI, we explored how the left and right amygdala systems interact with the reading network during emotion word processing. On each trial, participants viewed a centrally presented target which was preceded by a masked prime flashed either to the left or right visual field. Primes and targets, each denoting negative or positive nouns, could be either affectively congruent or incongruent with each other. We observed that affective congruency produced parallel changes in neural priming between the left frontal and parietotemporal regions and the bilateral amygdala. However, we also found that the left, but not right, amygdala exhibited significant change in functional connectivity with the neural components of reading as a function of affective congruency. Collectively, these results suggest that emotion words activate the bilateral amygdala during early stages of emotion word processing, whereas only the left amygdala exerts a long-distance regulatory influence over the reading network via its strong within-hemisphere connectivity.
Article
Full-text available
Emotional valence is known to influence word processing dependent upon concreteness. Whereas some studies point towards stronger effects of emotion on concrete words, others claim amplified emotion effects for abstract words. We investigated the interaction of emotion and concreteness by means of fMRI and EEG in a delayed lexical decision task. Behavioral data revealed a facilitating effect of high positive and negative valence on the correct processing of abstract, but not concrete words. EEG data yielded a particularly low amplitude response of the late positive component (LPC) following concrete neutral words. This presumably indicates enhanced allocation of processing resources to abstract and emotional words at late stages of word comprehension. In fMRI, interactions between concreteness and emotion were observed within the semantic processing network: the left inferior frontal gyrus (IFG) and the left middle temporal gyrus (MTG). Higher positive or negative valence appears to facilitate semantic retrieval and selection of abstract words. Surprisingly, a reversal of this effect occurred for concrete words. This points towards enhanced semantic control for emotional concrete words compared to neutral concrete words. Our findings suggest fine-tuned integration of emotional valence and concreteness. Specifically, at late processing stages, semantic control mechanisms seem to integrate emotional cues depending on the previous progress of semantic retrieval.
Article
Full-text available
Research has evidenced that digital educational games can be effective tools to impart knowledge. Researchers have recommended to focus on motivation and gaming load and their interaction when investigating learning process and success. Gaming expertise and the English proficiency of learners seem to be further important aspects of learning success, especially when non-native speakers play an English game. However, knowledge about the motivational and cognitive impact of games and learner characteristics on learning outcomes needs to be augmented and clarified. The present study aimed to address this need. We conducted an experimental media comparison to investigate the effects of game play and expertise in gaming and English on motivation, cognitive load, and performance. The participating German university students were randomly assigned to an educational gaming group and a hypertext group. Aspects of motivation were assessed before and after studying and gaming, cognitive load was rated during and after learning, and level of performance was measured before and after studying. The gaming group reported a higher level of interest, challenge, and anxiety of failing after introducing the task. Groups did not differ significantly in their perceived probability of success. The group levels of interest were the same after a 1 h learning phase. When learning, cognitive load increased after the initial phase in the gaming group and then stayed on a constant level, whereas the opposite pattern was found in the hypertext group. No differences were found in load ratings after learning between the two groups. Both groups improved their knowledge after learning, but the gain was larger for the hypertext group. Results point to gaming and English expertise as two mediating factors for learning success with educational games. We suggest that gaming expertise and English comprehension ability reduce cognitive load and thus enable learners to focus their resources on meaningful learning.
Article
Full-text available
Modeling human cognition is challenging because there are infinitely many mechanisms that can generate any given observation. Some researchers address this by constraining the hypothesis space through assumptions about what the human mind can and cannot do, while others constrain it through principles of rationality and adaptation. Recent work in economics, psychology, neuroscience, and linguistics has begun to integrate both approaches by augmenting rational models with cognitive constraints, incorporating rational principles into cognitive architectures, and applying optimality principles to understanding neural representations. We identify the rational use of limited resources as a unifying principle underlying these diverse approaches, expressing it in a new cognitive modeling paradigm called resource-rational analysis . The integration of rational principles with realistic cognitive constraints makes resource-rational analysis a promising framework for reverse-engineering cognitive mechanisms and representations. It has already shed new light on the debate about human rationality and can be leveraged to revisit classic questions of cognitive psychology within a principled computational framework. We demonstrate that resource-rational models can reconcile the mind's most impressive cognitive skills with people's ostensive irrationality. Resource-rational analysis also provides a new way to connect psychological theory more deeply with artificial intelligence, economics, neuroscience, and linguistics.
Article
Full-text available
Research on bilingualism and emotions has shown stronger emotional responses in the native language (L1) compared to a foreign language. We investigated the potential of purposeful second language (L2) use as a means of decreasing the experience of psychological distress. Native Swedish speakers read and answered questions about negative and neutral texts in their L1 (Swedish) and their L2 (English) and were asked to rate their level of distress before or after the questions. The texts and associated questions were either written in the same (within-language), or different languages (cross-language). We found that within-language trials when the text was written in participants’ native language (Swedish–Swedish) resulted in an increase of distress, whilst cross-language trials (Swedish–English) resulted in a decrease of distress. This implies that purposeful second language use can diminish levels of distress experienced following a negative event encoded in one's first language.
Article
Full-text available
Money management is one of the most important issues in financial trading. Many skills of money managements are based on the Kelly criterion, which is a theoretical optimization of bidding an optimal fraction for position sizing. However, there is still a large gap of between the theory and real trading for money management. In this work, we design an option trading strategy via Kelly criterion. While the price movements of options are highly volatile, various options portfolio can be formed by long or short at different strike prices to pre-lock the losses and profits; then we have a fixed profit and loss distribution via holding an option portfolio. Consequently, the Kelly criterion can be applied to the options trading, for calculating the optimal bidding fraction. We propose a method for option trading, in finding the profitable option portfolio by bidding optimal fraction. Compared with prior works, our proposed model is a novel approach for options trading with the money management of position sizing. Experiments are conducted to show the feasibility and profitability of our method in practical scenarios. Future works are provided in the final section.
Article
Full-text available
Decision-making biases, in particular the framing effect, can be altered in foreign language settings (foreign language effect) and following switching between languages (the language switching effect on framing). Recently, it has been suggested that the framing effect is only affected by foreign language use if the task is presented in a rich textual form. Here, we assess whether an elaborate verbal task is also a prerequisite for the language switching effect on framing. We employed a financial gambling task that induces a robust framing effect but is less verbal than the classical framing paradigms (e.g., the Asian disease problem). We conducted an online experiment (n = 485), where we orthogonally manipulated overall language use and language switching between trials. The results showed no effects of foreign language use or language switching throughout the experiment. This online result was confirmed in a laboratory experiment (n = 27). Overall we find that language switching does not reduce the framing effect in a paradigm with little verbal content and thus that language switching effects seem contingent on the amount of verbal processing required.
Article
Full-text available
Recent research has shown that the visual complexity of orthographies across writing systems influences the development of orthographic representations. Simplified and traditional Chinese characters are usually regarded as the most visually complicated writing systems currently in use, with the traditional system showing a higher level of complexity. However, it is still unclear whether and how learning two Chinese writing systems influences the processing of characters among simplified and traditional Chinese script readers. This study employed the categorical perception (CP) paradigm to examine adult Mainland China Chinese (MLC) simplified character readers and adult Hong Kong Chinese (HKC) traditional character readers’ liminal perception of the following types of morphing continua of “line characters” (with font features removed): the Absolute-Differentiation (AD) type, which contains a topological change, and the Relative-Differentiation type, which does not contain any topological change in visual configurations. The results showed evidence of CP effects on the two types of stimuli among MLC and HKC readers. Moreover, MLC and HKC readers presented major differences in perceiving AD-type stimuli, indicating that different experiences with two Chinese writing systems influence character perception. These findings extend previous results regarding the comparison of visual skills of simplified and traditional Chinese script readers and support the hypothesis that simplified Chinese script readers have higher visual discrimination rates than do traditional Chinese script readers in character perception.
Article
Full-text available
Does using a foreign language result in forming different moral decisions than using our mother tongue? Two studies were conducted to investigate whether there is a relationship between foreign language effects (differences between native vs. foreign language conditions) and psychological distance. Study 1 tested four moral dilemmas adapted from Greene et al. (Cognition 107: 1144-1155, 2008). Non-fluent Korean-English bilingual participants (N = 161) indicated decisions regarding four moral dilemmas in either Korean or English languages. The study found that for personal moral conflict situations, in which emotion and automatic intuition were more important than deliberation, there were significant differences in ratios of utilitarian decisions between the native language (L1) and the foreign language (L2) conditions. The participants tended to make more utilitarian decisions in L2 than in L1, which implies reduced emotionality in L2. Study 2 examined whether the psychological distance increased using the foreign language (English) utilizing an automatic self-test. Nonproficient Korean-English bilinguals (N = 26) formed associations between three kinds of geometric shapes (ellipses, rectangles and triangles) and three kinds of labels ('me', 'friends' and 'others'). The results of the study found the self-bias effect decreased when labels were presented in the foreign language (in English). This implies that the foreign language effect resulted from the reduced emotional response, and deliberation in decision making which may result from increased psychological distance.
Article
Full-text available
Recent research has revealed that people’s preferences, choices, and judgments are affected by whether information is presented in a foreign or a native language. Here, we review this evidence, focusing on various decision-making domains and advancing a variety of potential explanations for this foreign-language effect on decision making. We interpret the findings in the context of dual-system theories of decision making, entertaining the possibility that foreign-language processing reduces the impact of intuition and/or increases the impact of deliberation on people’s choices. In closing, we suggest future research directions for progressing our understanding of how language and decision-making processes interact when guiding people’s decisions.
Article
Full-text available
Neurobilingualism research has failed to reveal significant language differences in the processing of affective content. However, the evidence to date derives mostly from studies in which affective stimuli are presented out of context, which is unnatural and fails to capture the complexity of everyday sentence-based communication. Here we investigated semantic integration of affectively salient stimuli in sentential context in the first- and second-language (L2) of late fluent Polish-English bilinguals living in the UK. The 19 participants indicated whether Polish and English sentences ending with a semantically and affectively congruent or incongruent adjective of controlled affective valence made sense while undergoing behavioral and electrophysiological recordings. We focused on the N400, a wave of event-related potentials known to index semantic integration. We expected N400 amplitude to index increased processing demands in L2 English comprehension and potential language-valence interactions to reveal differences in affective processing between languages. Contrary to our initial expectation, we found increased N400 for sentences in L1 Polish, possibly driven by greater affective salience of sentences in the native language. Critically, language interacted with affective valence, such that N400 amplitudes were reduced for English sentences ending in a negative fashion as compared to all other conditions. We interpreted this as a sign that bilinguals suppress L2 content embedded in naturalistic L2 sentences when it has negative valence, thus extending the findings of previous research on single words in clinical and linguistic research.
Conference Paper
Full-text available
Kelly criterion is the optimal bidding strategy when considering a series of gambles with the wining probability p and the odds b. One of the arguments is Kelly criterion is optimal in theory rather than in practice. In this paper we show the results of using Kelly criterion in a gamble of bidding T steps. At the end of T steps, there are W times of winning and L times of losing. i.e. T =W + L. Consequently, the best strategy for these bidding steps is using the probability W/T instead of using p in Kelly Criterion. However, we do not know the number of W, to put it better the information of p, before placing the bet. We first derive the relation of profits between using p and W/T as the winning probability in the Kelly formula, respectively. Then we use the proportion of winning and bidding numbers before time step t, denoted as t p, as the winning probability used in the Kelly criterion at time step t. Even we do not know the winning probability of p in a gamble, we can use this method to achieve the profit near the optimal profit when using p in the Kelly betting.
Article
Full-text available
A growing literature examines how affective processing may be weaker in a foreign language than in a native language. This article reviews mechanisms that could underlie this effect and then delves into practical implications. The most common category of explanations is that emotional resonances in the discourse context accrue to utterances because human memory is inherently associative. One application concerns forensic investigations. Compared to emotional phrases in a native language, emotional phrases heard or read in a foreign language elicit weaker skin-conductance responses (SCRs). In one study involving a mock crime, SCRs elicited by a foreign language were high and insensitive to emotionality, suggesting a stress response. A second application is decision making, given recent findings that judgments in a foreign language are influenced by emotional content. This raises the question of how to assess the real-world importance of this provocative laboratory finding. A third application is the emotional and logical appeal of advertising slogans. In multilingual regions, marketers could direct appeals to consumers in their native language to sell luxury items. In contrast, ads using a less proficient or foreign language may be most effective for selling items that will increase work productivity.
Article
Full-text available
Recent studies reported reductions of well-established biases in decision making under risk, such as the framing effect, during foreign language (FL) use. These modulations were attributed to the use of FL itself, which putatively entails an increase in emotional distance. A reduced framing effect in this setting, however, might also result from enhanced cognitive control associated with language-switching in mixed-language contexts, an account that has not been tested yet. Here we assess predictions of the 2 accounts in 2 experiments with over 1,500 participants. In Experiment 1, we tested a central prediction of the emotional distance account, namely that the framing effect would be reduced at low, but not high, FL proficiency levels. We found a strong framing effect in the native language, and surprisingly also in the foreign language, independent of proficiency. In Experiment 2, we orthogonally manipulated foreign language use and language switching to concurrently test the validity of both accounts. As in Experiment 1, foreign language use per se had no effect on framing. Crucially, the framing effect was reduced following a language switch, both when switching into the foreign and the native language. Thus, our results suggest that reduced framing effects are not mediated by increased emotional distance in a foreign language, but by transient enhancement of cognitive control, putting the interplay of bilingualism and decision making in a new light. (PsycINFO Database Record (c) 2015 APA, all rights reserved).
Article
Full-text available
Research into language-emotion interactions has revealed intriguing cognitive inhibition effects by emotionally negative words in bilinguals. Here, we turn to the domain of human risk taking and show that the experience of positive recency in games of chance-the "hot hand" effect-is diminished when game outcomes are provided in a second language rather than the native language. We engaged late Chinese-English bilinguals with "play" or "leave" decisions upon presentation of equal-odds bets while manipulating language of feedback and outcome value. When positive game outcomes were presented in their second language, English, participants subsequently took significantly fewer gambles and responded slower compared with the trials in which equivalent feedback was provided in Chinese, their native language. Positive feedback was identified as driving the cross-language difference in preference for risk over certainty: feedback for previous winning outcomes presented in Chinese increased subsequent risk taking, whereas in the English context no such effect was observed. Complementing this behavioral effect, event-related brain potentials elicited by feedback words showed an amplified response to Chinese relative to English in the feedback-related negativity window, indicating a stronger impact in the native than in the second language. We also observed a main effect of language on P300 amplitude and found it correlated with the cross-language difference in risk selections, suggesting that the greater the difference in attention between languages, the greater the difference in risk-taking behavior. These results provide evidence that the hot hand effect is at least attenuated when an individual operates in a non-native language. Copyright © 2015 the authors 0270-6474/15/355983-07$15.00/0.
Article
Full-text available
The hypothesis that word representations are emotionally impoverished in a second language (L2) has variable support. However, this hypothesis has only been tested using tasks that present words in isolation or that require laboratory-specific decisions. Here, we recorded eye movements for 34 bilinguals who read sentences in their L2 with no goal other than comprehension, and compared them to 43 first language readers taken from our prior study. Positive words were read more quickly than neutral words in the L2 across first-pass reading time measures. However, this emotional advantage was absent for negative words for the earliest measures. Moreover, negative words but not positive words were influenced by concreteness, frequency and L2 proficiency in a manner similar to neutral words. Taken together, the findings suggest that only negative words are at risk of emotional disembodiment during L2 reading, perhaps because a positivity bias in L2 experiences ensures that positive words are emotionally grounded.
Article
Full-text available
While over the last decades, much attention has been paid to the mental workload in the field of human computer interactions, there is still a lack of consensus concerning the factors that generate it as well as the measurement methods that could reflect workload variations. Based on the multifactorial Cognitive Load Theory (CLT), our study aims to provide some food for thought about the subjective and objective measurement that can be used to disentangle the intrinsic, extraneous, and germane load. The purpose is to provide insight into the way cognitive load can explain how users' cognitive resources are allocated in the use of hypermedia, such as an online newspaper. A two-phase experiment has been conducted on the information retention from online news stories. Phase 1 (92 participants) examined the influence of multimedia content on performance as well as the relationships between cognitive loads and cognitive absorption. In Phase 2 (36 participants), eye-tracking data were collected in order to provide reliable and objective measures. Results confirmed that performance in information retention was impacted by the presence of multimedia content such as animations and pictures. The higher number of fixations on these animations suggests that users' attention could have been attracted by them. Results showed the expected opposite relationships between germane and extraneous load, a positive association between germane load and cognitive absorption and a non-linear association between intrinsic and germane load. The trends based on eye-tracking data analysis provide some interesting findings about the relationship between longer fixations, shorter saccades and cognitive load. Some issues are raised about the respective contribution of mean pupil diameter and Index of Cognitive Activity.
Data
Full-text available
In the analysis of psychological and psychophysiological data, the relation-ship between two variables is often assumed to be a straight line. This may be due to the prevalence of the general linear model in data analysis in these fields, which makes this assumption implicitly. However, there are many problems for which this assumption does not hold. In this paper, we show that in the analysis of event-realted potential (ERP) data, the assumption of linearity comes at a cost and may significantly affect the inferences drawn from the data. We demonstrate why the assumption of linearity should be relaxed and how to model nonlinear relationships between ERP amplitudes and predictor variables within the familiar framework of generalized linear models, using restricted cubic splines and mixed-effects regression. can be used to work through the examples, and potentially act as a starting point for the reader's own forays into mixed-effects analysis.
Article
Full-text available
EEGLAB is a widely used open-source MAT- LAB toolbox for analysis of electrophysiological data. Us- ing EEGLAB, users can import various data formats, pre- process data (filter, resample, average, epoch), visualize data (signal browser, event-related potentials, power spec- tra), perform independent component analysis (ICA), use various time/frequency analysis methods such as event- related spectral perturbation (ERSP) and inter-trial co- herence (ITC). The extensible plug-in architecture enables third parties to contribute additional functionality such as source localization, connectivity estimation or the design of online brain-computer interfaces.
Article
Full-text available
Granger causality is increasingly being applied to multi-electrode neurophysiological and functional imaging data to characterize directional interactions between neurons and brain regions. For a multivariate dataset, one might be interested in different subsets of the recorded neurons or brain regions. According to the current estimation framework, for each subset, one conducts a separate autoregressive model fitting process, introducing the potential for unwanted variability and uncertainty. In this paper, we propose a multivariate framework for estimating Granger causality. It is based on spectral density matrix factorization and offers the advantage that the estimation of such a matrix needs to be done only once for the entire multivariate dataset. For any subset of recorded data, Granger causality can be calculated through factorizing the appropriate submatrix of the overall spectral density matrix.
Article
Full-text available
The ventromedial prefrontal cortex (vmPFC) plays a critical role in processing appetitive stimuli. Recent investigations have shown that reward value signals in the vmPFC can be altered by emotion regulation processes; however, to what extent the processing of positive emotion relies on neural regions implicated in reward processing is unclear. Here, we investigated the effects of emotion regulation on the valuation of emotionally evocative images. Two independent experimental samples of human participants performed a cognitive reappraisal task while undergoing fMRI. The experience of positive emotions activated the vmPFC, whereas the regulation of positive emotions led to relative decreases in vmPFC activation. During the experience of positive emotions, vmPFC activation tracked participants' own subjective ratings of the valence of stimuli. Furthermore, vmPFC activation also tracked normative valence ratings of the stimuli when participants were asked to experience their emotions, but not when asked to regulate them. A separate analysis of the predictive power of vmPFC on behavior indicated that even after accounting for normative stimulus ratings and condition, increased signal in the vmPFC was associated with more positive valence ratings. These results suggest that the vmPFC encodes a domain-general value signal that tracks the value of not only external rewards, but also emotional stimuli.
Article
Full-text available
Relative to abstract words, concrete words typically elicit faster response times and larger N400 and N700 event-related potential (ERP) brain responses. These effects have been interpreted as reflecting the denser links to associated semantic information of concrete words and their recruitment of visual imagery processes. Here, we examined whether there are ERP differences between concrete and abstract stimuli controlled for a large number of factors including context availability (i.e., richness of semantic associations) and imageability. We found that abstract words elicited faster behavioral responses but that concrete words still elicited larger N400 and N700 responses. We propose that once all other factors, including imageability and context availability are controlled, abstract words may trigger a larger number of superficial linguistic associations that can be quickly used for response decisions. The ERP differences, however, would index the greater semantic processing (integration of multimodal information) for concrete than abstract words during meaning activation.
Article
Full-text available
The present research shows in 4 studies that cognitive load can reduce the impact of temptations on cognition and behavior and, thus, challenges the proposition that distraction always hampers self-regulation. Participants performed different speeded categorization tasks with pictures of attractive and neutral food items (Studies 1-3) and attractive and unattractive female faces (Study 4), while we assessed their reaction times as an indicator of selective attention (Studies 1, 3, and 4) or as an indicator of hedonic thoughts about food (Study 2). Cognitive load was manipulated by a concurrent digit span task. Results show that participants displayed greater attention to tempting stimuli (Studies 1, 3, and 4) and activated hedonic thoughts in response to palatable food (Study 2), but high cognitive load completely eliminated these effects. Moreover, cognitive load during the exposure to attractive food reduced food cravings (Study 1) and increased healthy food choices (Study 3). Finally, individual differences in sensitivity to food temptations (Study 3) and interest in alternative relationship partners (Study 4) predicted selective attention to attractive stimuli, but again, only when cognitive load was low. Our findings suggest that recognizing the tempting value of attractive stimuli in our living environment requires cognitive resources. This has the important implication that, contrary to traditional views, performing a concurrent demanding task may actually diminish the captivating power of temptation and thus facilitate self-regulation. (PsycINFO Database Record (c) 2012 APA, all rights reserved).
Article
Objectives Most prior studies on the positivity effect have been conducted in Western cultures, and research in East Asian cultures has been limited, with inconsistent findings. Herein we investigate whether the positivity effect is present in Korean older adults. Moreover, we examined individual indifferences alongside age differences in the positivity effect because not all older adults display the positivity effect. Method Forty older adults and 40 undergraduate students completed a series of self-report questionnaires and a dot probe task for 500 ms and 1000 ms. Next, we divided the subjects into groups who showed and did not show the positivity effect. Results In the dot probe task, older adults were more positive at the presentation duration of 500 ms and less negative at presentation times of 1000 ms, suggesting that the positivity effect is present in the attentional process. On the other hand, older adults who do show the positivity effect exhibit less negative affect, are less anxious, have fewer difficulties in emotion regulation, and achieve higher scores in a digit span task. Discussion These results suggest that the positivity effect emerges during more controlled stages of informational processing, and it is important to consider individual differences when investigating age-related differences in the positivity effect.
Article
This study examined whether emotion responses during reading are co-constituted by lexical items and the preceding context. Event-related potentials to coherent emotion and neutral words finishing sentences with or without strong constraint for the incoming valence were analyzed. Typical frontal P200 and posterior late positive component (LPC) emotion responses were seen to emotion words relative to neutral words in the neutral context, indicating heightened attention allocation and further valence analysis induced by word-level emotionality. With emotional bias in the context, words elicited reduced N400 responses, indicating facilitated semantic processing. Critically, we obtained evidence for contextualized emotion responses during coherent sentence comprehension. With active anticipation of the incoming emotionality (evidenced by the frontal positivity to plausible emotionally unpredicted words), enhanced P200 and LPC responses were seen to neutral words in emotional contexts. These findings demonstrated that, like word emotionality, emotion-constraining contexts could similarly engage motivational circuits and attention resources, affecting early perception and later further affective evaluation of the incoming information, even for emotionally neutral words. Despite the seeming similarity, multiple routes may be involved for giving rise to these neurophysiological reactions during emotion processing – while lexically driven LPCs were significantly correlated with empathy, contextually driven LPCs were not. Together, these findings provide support for contextualized emotion responses during congruent sentence reading when explicit emotional judgment on the materials is not required. These findings also provide an initial understanding about how these responses are mediated by empathy – an important aspect of human ability to perceive emotion.
Preprint
The brain’s remarkable capacity for language requires bidirectional interactions between functionally specialized brain regions. We used magnetoencephalography to investigate interregional interactions in the brain network for language, while 102 participants were reading sentences. Using Granger causality analysis, we identified inferior frontal cortex and anterior temporal regions to receive widespread input, and middle temporal regions to send widespread output. This fits well with the notion that these regions play a central role in language processing. Characterization of the functional topology of this network, using data-driven matrix factorization, which allowed for partitioning into a set of subnetworks, revealed directed connections at distinct frequencies of interaction. Connections originating from temporal regions peaked at alpha frequency, whereas connections originating from frontal and parietal regions peaked at beta frequency. These findings indicate that processing different types of linguistic information may depend on the contributions of distinct brain rhythms. One Sentence Summary Communication between language relevant areas in the brain is supported by rhythmic synchronization, where different rhythms reflect the direction of information flow.
Article
Recent studies show that people exhibit a reduced decision bias in a foreign language relative to their native language. However, the underlying mechanism remains unknown. Using functional magnetic resonance imaging (fMRI) combined with an even-probability gambling task in which gambling feedback was presented in either a native language or a foreign language after each decision, we assessed the neural correlates of language modulated behavioral changes in decision making. In both foreign and native language contexts, participants showed a behavioral pattern resembles the Gambler's fallacy that losing a gamble leads to more betting than winning a gamble. While there was no language difference in gambling, bilateral caudate and amygdala gain signals were exaggerated by foreign language in relative to native language, suggesting that foreign language enhanced neural responses to rewards. Moreover, the individual difference in foreign language-induced Gambler's fallacy-like decision bias was associated with activation in the right amygdala and ventromedial prefrontal cortex, as well as functional connectivity between right amygdala and right putamen/right posterior insula. Our results confirm that outcome processing in emotion-related regions may underlie individual differences in foreign language effects in judgment and decision making.
Article
Expectancy shapes our perception of impending events. Although such an interplay between cognitive and affective processes is often impaired in mental disorders, it is not well understood how top-down expectancy signals modulate future affect. We therefore track the information flow in the brain during cognitive and affective processing segregated in time using task-specific cross-correlations. Participants in two independent fMRI studies (N1 ¼ 37 & N2 ¼ 55) were instructed to imagine a situation with affective content as indicated by a cue, which was then followed by an emotional picture congruent with expectancy. To correct for intrinsic covariance of brain function, we calculate resting-state cross-correlations analogous to the task. First, using factorial modeling of delta cross-correlations (task-rest) of the first study, we find that the magnitude of expectancy signals in the anterior insula cortex (AIC) modulates the BOLD response to emotional pictures in the anterior cingulate and dorsomedial prefrontal cortex in opposite directions. Second, using hierarchical linear modeling of lagged connectivity, we demonstrate that expectancy signals in the AIC indeed foreshadow this opposing pattern in the prefrontal cortex. Third, we replicate the results in the second study using a higher temporal resolution, showing that our taskspecific cross-correlation approach robustly uncovers the dynamics of information flow. We conclude that the AIC arbitrates the recruitment of distinct prefrontal networks during cued picture processing according to triggered expectations. Taken together, our study provides new insights into neuronal pathways channeling cognition and affect within well-defined brain networks. Better understanding of such dynamics could lead to new applications tracking aberrant information processing in mental disorders.
Article
Although increasing literature has suggested that emotion-label words (e.g., anger, delight) and emotion-laden words (e.g., thief, bride) were processed differently in native language (L1), there was a lack of neuroimaging evidence showing such differences in second language (L2). The current study compared the cortical responses to emotion-label words and emotion-laden words in L2 using event-related potentials (ERPs) technique. Sixteen Chinese–English bilingual college students were asked to finish a lexical decision task with their brain activations recorded. Overall, emotion-label words and emotion-laden words showed diverse processing characteristics. Specifically, such differences were evidenced by the results that (1) larger N170 was elicited by negative emotion-label words than by negative emotion-laden words while positive emotion-laden words evoked larger N170 than positive emotion-label words at occipito-temporal sites, and (2) emotion-laden words evoked larger Late Positive Complex (LPC) than emotion-label words at parietal sites over the right hemisphere. The implication of the current findings was also discussed.
Article
Oscillatory activity in the alpha and gamma bands is considered key in shaping functional brain architecture. Power increases in the high-frequency gamma band are typically reported in parallel to decreases in the low-frequency alpha band. However, their functional significance and in particular their interactions are not well understood. The present study shows that, in the context of an N-back working memory task, alpha power decreases in the dorsal visual stream are related to gamma power increases in early visual areas. Granger causality analysis revealed directed interregional interactions from dorsal to ventral stream areas, in accordance with task demands. Present results reveal a robust, behaviorally relevant, and architectonically decisive power-to-power relationship between alpha and gamma activity. This relationship suggests that anatomically distant power fluctuations in oscillatory activity can link cerebral network dynamics on trial-by-trial basis during cognitive operations such as working memory.
Article
Impaired working memory (WM) in schizophrenia is associated with reduced hemodynamic and electromagnetic activity and altered network connectivity within and between memory‐associated neural networks. The present study sought to determine whether schizophrenia involves disruption of a frontal‐parietal network normally supporting WM and/or involvement of another brain network. Nineteen schizophrenia patients (SZ) and 19 healthy comparison subjects (HC) participated in a cued visual‐verbal Sternberg task while dense‐array EEG was recorded. A pair of item arrays each consisting of 2–4 consonants was presented bilaterally for 200 ms with a prior cue signaling the hemifield of the task‐relevant WM set. A central probe letter 2,000 ms later prompted a choice reaction time decision about match/mismatch with the target WM set. Group and WM load effects on time domain and time‐frequency domain 11–15 Hz alpha power were assessed for the cue‐to‐probe time window, and posterior 11–15 Hz alpha power and frontal 4–8 Hz theta power were assessed during the retention period. Directional connectivity was estimated via Granger causality, evaluating group differences in communication. SZ showed slower responding, lower accuracy, smaller overall time‐domain alpha power increase, and less load‐dependent alpha power increase. Midline frontal theta power increases did not vary by group or load. Network communication in SZ was characterized by temporal‐to‐posterior information flow, in contrast to bidirectional temporal‐posterior communication in HC. Results indicate aberrant WM network activity supporting WM in SZ that might facilitate normal load‐dependent and only marginally less accurate task performance, despite generally slower responding.
Article
Significance The brain’s remarkable capacity for language requires bidirectional interactions between functionally specialized brain regions. Although the functional role of individual regions in the brain network for language has been well studied, as of yet little is known about the mechanisms that facilitate the information exchange between these brain regions. In this paper we show that communication between language-relevant areas in the brain is supported by rhythmic neuronal synchronization and that different rhythms reflect the direction of information flow. These findings likely reflect a generic mechanism that allows for dynamic routing of information in a network of task-relevant brain regions during cognitive processing.
Article
This paper reviews recent developments in the study of multilingualism and affect, with the focus on two active areas: affective processing and decision-making. The converging pattern of findings suggests that foreign (FL) and second language (L2) processing do not engage affect to the same extent as processing in the first language (L1). This decreased reliance on affect has been linked to the systematic finding that speakers dealing with moral dilemmas and financial scenarios in a foreign language are less concerned about negative consequences and less averse to risk. This finding, termed the foreign language effect, may have important implications for language policies in multilingual contexts but first future studies need to link them conclusively to affective processing and identify mechanisms that give rise to these effects.
Article
In this study, to investigate the influence of incidental emotions on decision making in high-anxious individuals, participants were required to perform a monetary gambling task. Behavioral and electroencephalography responses were recorded to explore the stages of option assessment and outcome evaluation during decision making, respectively. Incidental emotions were elicited by facial expression pictures presented on the background, which included four conditions (control, neutral, fearful, and happy). Results showed smaller feedback-related negativity (FRN) amplitudes in high-anxious participants than low-anxious participants in the control, neutral, and fearful conditions, but not in the happy condition, for small outcomes. The P3 amplitudes were larger in high-anxious participants compared to their counterparts in the fearful and happy conditions, but not in the other conditions. In short, the interaction effects between trait anxiety and facial emotions manifested on the outcome evaluation stage of decision making.
Article
A growing literature demonstrates that using a foreign language affects choice. This is surprising because if people understand their options, choice should be language independent. Here, we review the impact of using a foreign language on risk, inference, and morality, and discuss potential explanations, including reduced emotion, psychological distance, and increased deliberation.
Article
Incidental emotions, which are irrelevant to the current decision, play a significant role in the decision-making process. In this study, to investigate the influence of incidental emotions on behavioral, psychological, and electrophysiological responses in the process of decision making, participants were required to perform a monetary gambling task. During the selection stage, an emotional picture, which was chosen from the Chinese Affective Picture System and fell into one of three categories: negative, neutral, and positive, was presented between two alternatives (small/large amount of bet). The pictures were provided to induce incidental emotions. ERPs and self-rating emotional experiences to outcome feedback were recorded during the task. Behavioral results showed that positive incidental emotions elicited risk preference, but emotional experiences to outcome feedback were not influenced by incidental emotions. The feedback-related negativity amplitudes were larger in the positive emotion condition than in the negative and neutral emotion conditions for small outcomes (including wins and losses), whereas there was no difference between the three conditions for large outcomes. In addition, the amplitudes of P3 were reduced overall in the negative emotion condition. We suggest that incidental emotions have modulated both the option assessment stage (manifested in behavioral choices) and the outcome evaluation stage (manifested in ERP amplitudes) of decision making unconsciously (indicated by unchanged subjective emotional experiences). The current findings have expanded our understanding of the role of incidental emotion in decision making.
Article
Emotional words in a bilingual's second language (L2) seem to have less emotional impact compared to emotional words in the first language (L1). The present study examined the neural mechanisms of emotional word processing in Chinese-English bilinguals' two languages by using both event-related potentials (ERPs) and functional magnetic resonance imaging (fMRI). Behavioral results show a robust positive word processing advantage in L1 such that responses to positive words were faster and more accurate compared to responses to neutral words and negative words. In L2, emotional words only received higher accuracies than neutral words. In ERPs, positive words elicited a larger early posterior negativity and a smaller late positive component than neutral words in L1, while a trend of reduced N400 component was found for positive words compared to neutral words in L2. In fMRI, reduced activation was found for L1 emotional words in both the left middle occipital gyrus and the left cerebellum whereas increased activation in the left cerebellum was found for L2 emotional words. Altogether, these results suggest that emotional word processing advantage in L1 relies on rapid and automatic attention capture while facilitated semantic retrieval might help processing emotional words in L2. Copyright © 2015 Elsevier Ltd. All rights reserved.
Article
The brain has finite processing resources so that, as tasks become harder, performance degrades. Where do the limits on these resources come from? We focus on a variety of capacity-limited buffers related to attention, recognition, and memory that we claim have a two-dimensional 'map' architecture, where individual items compete for cortical real estate. This competitive format leads to capacity limits that are flexible, set by the nature of the content and their locations within an anatomically delimited space. We contrast this format with the standard 'slot' architecture and its fixed capacity. Using visual spatial attention and visual short-term memory as case studies, we suggest that competitive maps are a concrete and plausible architecture that limits cognitive capacity across many domains.
Article
The capacity to predict future events permits a creature to detect, model, and manipulate the causal structure of its interactions with its environment. Behavioral experiments suggest that learning is driven by changes in the expectations about future salient events such as rewards and punishments. Physiological work has recently complemented these studies by identifying dopaminergic neurons in the primate whose fluctuating output apparently signals changes or errors in the predictions of future salient and rewarding events. Taken together, these findings can be understood through quantitative theories of adaptive optimizing control.
Article
In this article, we present a study of imageability ratings for a set of 1599 Norwegian words (896 nouns, 483 verbs and 220 adjectives) from a web-based survey. To a large extent, the results are in accordance with previous studies of other languages: high imageability scores in general, higher imageability scores for nouns than for verbs, and an inverse relation between frequency and imageability. A more surprising finding is the low imageability of low-frequency verbs. Also, imageability ratings increase systematically and significantly with informant age, reminding us that conceptual learning continues and changes throughout life. This has consequences for our expectations of different linguistic skills in a life span perspective. These findings have an obvious clinical relevance both for choice of items in test construction, for evaluation of performance in clinical groups and for development of therapy material.