Feature binding and attention in working memory: A resolution of previous contradictory findings

a Institute of Psychological Sciences , University of Leeds , Leeds , UK.
Quarterly journal of experimental psychology (2006) (Impact Factor: 1.73). 06/2012; 65(12):2369-2383. DOI: 10.1080/17470218.2012.687384
Source: PubMed

ABSTRACT We aimed to resolve an apparent contradiction between previous experiments from different laboratories, using dual-task methodology to compare effects of a concurrent executive load on immediate recognition memory for colours or shapes of items or their colour-shape combinations. Results of two experiments confirmed previous evidence that an irrelevant attentional load interferes equally with memory for features and memory for feature bindings. Detailed analyses suggested that previous contradictory evidence arose from limitations in the way recognition memory was measured. The present findings are inconsistent with an earlier suggestion that feature binding takes place within a multimodal episodic buffer (Baddeley, 2000) and support a subsequent account in which binding takes place automatically prior to information entering the episodic buffer (Baddeley, Allen, & Hitch, 2011). Methodologically, the results suggest that different measures of recognition memory performance (A', d', corrected recognition) give a converging picture of main effects, but are less consistent in detecting interactions. We suggest that this limitation on the reliability of measuring recognition should be taken into account in future research so as to avoid problems of replication that turn out to be more apparent than real.

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Available from: Judit Castellà, Aug 18, 2015
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    • "First, researchers had proposed a few alternatives to explain the finding of Fougnie and Marois (2009; cf. Allen et al., 2012; Hollingworth & Maxcey-Richard, 2013; Zhang, Johnson, Woodman, & Luck, 2012). One explanation relevant to the current object-based hypothesis was proposed by Hollingworth and Maxcey-Richard. "
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    ABSTRACT: Feature binding is a core concept in many research fields, including the study of working memory (WM). Over the past decade, it has been debated whether keeping the feature binding in visual WM consumes more visual attention than the constituent single features. Previous studies have only explored the contribution of domain-general attention or space-based attention in the binding process; no study so far has explored the role of object-based attention in retaining binding in visual WM. We hypothesized that object-based attention underlay the mechanism of rehearsing feature binding in visual WM. Therefore, during the maintenance phase of a visual WM task, we inserted a secondary mental rotation (Experiments 1–3), transparent motion (Experiment 4), or an object-based feature report task (Experiment 5) to consume the object-based attention available for binding. In line with the prediction of the object-based attention hypothesis, Experiments 1–5 revealed a more significant impairment for binding tha
    Journal of Experimental Psychology Human Perception & Performance 04/2015; 41(2):479-493. DOI:10.1037/xhp0000018 · 3.11 Impact Factor
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    • "Because the aim of the study was to compare two dual-task situations that differed in the attentional demands of the processing task to be performed during retention, we did not include a single-task condition in which there was no concurrent processing task to be performed during retention. 2 The set of simple shapes used in the current study is comparable to the set of shapes used in relevant studies: horseshoe (Allen et al., 2012; Johnson et al., 2008; Wheeler & Treisman, 2002), hexagon (Johnson et al., 2008; Morey & Bieler, 2013), triangle (Allen et al., 2006, 2012; Johnson et al., 2008; Wheeler & Treisman, 2002), hourglass (Johnson et al., 2008; Wheeler & Treisman, 2002), circle (Allen et al., 2006, 2012; Johnson et al., 2008; Morey & Bieler, 2013; Wheeler & Treisman, 2002), square (Johnson et al., 2008; Morey & Bieler, 2013; Wheeler & Treisman, 2002), and flag (Allen et al., 2012). In contrast to these studies, we did not use the plus sign as one of the shapes so to avoid confusion with our fixation cross. "
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    ABSTRACT: This study examined the role of attention in maintaining information between visual features in visual working memory. In a change detection paradigm, two different memory conditions were created, one that required the maintenance of features and one that required the maintenance of how the features were bound together. During the short retention interval that separated the study display and test display, a tone discrimination task was to be performed. The attentional demand of the tone discrimination task was manipulated to test whether memory for binding was more disrupted than memory for features when the proportion of time during which attention is unavailable for maintenance is increased. We observed that memory for features and memory for bindings were equally disrupted by increasing the attentional demands of the tone discrimination task. This suggests that attention does not play a special role in the maintenance of feature bindings in visual working memory.
    Canadian Journal of Experimental Psychology 09/2014; DOI:10.1037/cep0000025 · 1.02 Impact Factor
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    • "As in Experiment 1, test probes consisted either of noncanonical color blobs (in the color condition), unfilled shape outlines (in the shape condition), or colored shape conjunctions (binding), with participants required to decide whether these individual features or feature combinations had been present during the stimulus sequence they had just experienced. This procedure closely resembles the method used by Brown and Brockmole (2010) and Allen et al. (2012, Experiment 2), though with serial instead of simultaneous target presentation. "
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