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Introduction
Skills and Expertise
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April 2017 - present
July 2013 - September 2015
Publications
Publications (72)
The ability to perceive others’ emotions and one’s own interoceptive states has been the subject of extensive research. Very little work, however, has investigated the ability to recognise others’ interoceptive states, such as whether an individual is feeling breathless, nauseated, or fatigued. This is likely owing to the dearth of stimuli availabl...
This study investigated the mechanisms underlying disordered eating of autistic adults, by investigating associations between eating disorder (ED) symptoms and autistic traits; autism-specific atypical eating; alexithymia; interoception; and body image in autistic and non-autistic participants. Autistic adults (n = 196) and non-autistic adults (n =...
Background
Atypical interoception has been observed across multiple mental health conditions, including anxiety disorders and depression. Evidence suggests that not only pathological anxiety, but also heightened levels of state anxiety and stress are associated with interoceptive functioning. This study aimed to investigate the effects of the recen...
In recent years, there has been an increased interest in remote testing methods for quantifying individual differences in interoception, the perception of the body’s internal state. Hampering the adoption of remote methods are concerns as to the quality of data obtained remotely. Using data from several studies, we sought to compare the performance...
In this chapter, we provide a summary of the key themes covered in An Introduction to Interoception and outline the common future directions outlined across chapters.
Interoceptive signals are present before birth, contributing to basic homeostatic functions and the development of complex psychological processes, such as emotional experience, learning, and decision-making. The way in which interoceptive abilities develop, however, is relatively understudied. This chapter presents research on interoceptive proces...
Previous evidence suggests males and females differ with respect to interoception-the processing of internal bodily signals-with males typically outperforming females on tasks of interoceptive accuracy. However, interpretation of existing evidence in the cardiac domain is hindered by the limitations of existing tools. In this investigation we poole...
Background
The ability to recognize one’s own emotions is associated with one’s ability to recognize others’ emotions. Beyond the domain of emotion, however, the relationship between recognition of one’s own internal states (interoception) and others’ interoceptive states has not been investigated, either in the typical population or clinical group...
Self-related processing is thought to be altered in autism, with several studies reporting that autistic individuals show a diminished neural response relative to neurotypicals for their own name and face. However, evidence remains scarce and is mostly based on event-related potential studies. Here, we used EEG to measure the neural activity of aut...
Autistic people report that their emotional expressions are sometimes misunderstood by non-autistic people. One explanation for these misunderstandings could be that the two neurotypes have different internal representations of emotion: Perhaps they have different expectations about what a facial expression showing a particular emotion looks like....
Extant work reliably demonstrates that autistic individuals move with increased jerk (where jerk concerns change in acceleration). Although it follows that autistic movement may therefore diverge from fundamental power laws that govern movement, this hypothesis has not been directly tested to date. This lack of insight holds back progress in unders...
Healthcare professionals play a vital role in identifying and supporting autistic people. This study systematically reviewed empirical research examining healthcare professionals’ knowledge, self-efficacy and attitudes towards working with autistic people. Thirty-five studies were included. The included studies sampled a range of countries and prof...
Models of interoception highlight the importance of considering participants’ beliefs regarding their interoceptive ability. Research focusing on such beliefs suggests a dissociation between self-reported interoceptive accuracy and attention. However, it remains unclear whether such dissociations are driven by differences in the sensations rated ac...
Internal bodily signals provide an essential function for human survival. Accurate recognition of such signals in the self, known as interoception, supports the maintenance of homeostasis, and is closely related to emotional processing, learning and decision-making, and mental health. While numerous studies have investigated interoception in the se...
The inadequacy of a categorial approach to mental health diagnosis is now well-recognised, with many authors, diagnostic manuals and funding bodies advocating a dimensional, trans-diagnostic approach to mental health research. Variance in interoception, the ability to perceive one’s internal bodily state, is reported across diagnostic boundaries, a...
Adults are increasingly seeking autism diagnoses, although less is known about their experiences of diagnosis and personal identity (i.e., autism as part of “me”), and how this relates to self-esteem and wellbeing. One-hundred and fifty-one autistic adults completed an online survey including measures of self-esteem, psychological wellbeing, and au...
What is the word for the sense of signals that come from inside your body, such as feeling your heart beating and your breathing, or knowing when you are hungry? This is called interoception. Interoception is one of our senses, like vision, hearing, taste, smell, and touch. In this article, we talk about what interoception is and how information ab...
Tests of face processing are typically designed to identify individuals performing outside of the typical range; either prosopagnosic individuals who exhibit poor face processing ability, or super recognisers, who have superior face processing abilities. Here we describe the development of the Oxford Face Matching Test (OFMT), designed to identify...
Adults and females are increasingly seeking autism diagnoses, although less is known about their experiences of diagnosis and personal identity (i.e., autism as part of ‘me’), and how this relates to self-esteem and wellbeing. One-hundred and fifty-one autistic adults (117 female) completed an online survey including measures of self-esteem, psycho...
Tests of face processing are typically designed to identify individuals performing outside of the typical range; either prosopagnosic individuals who exhibit poor face processing ability, or super recognisers, who have superior face processing abilities. Here we describe the development of the Oxford Face Matching Test (OFMT), designed to identify...
Previous evidence suggests a dissociation between self-reported interoceptive accuracy and self-reported interoceptive attention. However, it remains unclear whether such dissociations are driven by differences in the interoceptive signals rated across these questionnaires, or a genuine dissociation between different facets of interoception (accura...
Rødgaard and colleagues confirmed our finding of a negative relationship between performance on the Reading the Mind in the Eyes Test and alexithymia, regardless of autism diagnosis. In their analysis of our cognitive Theory of Mind data, however, they did not control for autistic traits, which covary with alexithymia. Here we demonstrate that when...
In recent years, measures of cardiac interoceptive accuracy have been heavily scrutinised. The focus has been on potentially confounding physiological and psychological factors; little research has examined whether the device used to record objective heartbeats may influence cardiac interoceptive accuracy. The present studies assessed whether the d...
It has recently been proposed that measures of the perception of the state of one's own body ('interoception') can be categorized as one of several types depending on both how an assessment is obtained (objective measurement vs. self-report) and what is assessed (degree of interoceptive attention vs accuracy of interoceptive perception). Under this...
Individuals with Autism Spectrum Disorder (ASD; autistic individuals) may exhibit atypical face perception because they fail to process faces holistically. In the context of this hypothesis, it is critical to determine whether autistic individuals exhibit diminished susceptibility to the composite face illusion, widely regarded as key marker of hol...
Fast Periodic Visual Stimulation (FPVS) with oddball stimuli has been used to investigate discrimination of facial identity and emotion, with studies concluding that oddball responses indicate discrimination of faces at the conceptual level (i.e. discrimination of identity and emotion), rather than low-level perceptual (visual, image-based) discrim...
Alexithymia is characterised by difficulty identifying and describing one’s own emotion. Identifying and describing one’s emotion involves several cognitive processes, so alexithymia may result from a number of impairments. Here we propose the alexithymia language hypothesis - the hypothesis that language impairment can give rise to alexithymia - a...
Communication deficits are a defining feature of Autism Spectrum Disorder (ASD), manifest during social interactions. Previous studies investigating communicative deficits have largely focused on the perceptual biases, social motivation, cognitive flexibility, or mentalizing abilities of isolated individuals. By embedding autistic individuals in li...
It has been hypothesized that individuals with Autism Spectrum Disorder (hereafter “autism”) have problems perceiving biological motion, which contributes to their social difficulties. However, the ability to perceive the kinematic profile characteristic of biological motion has not been systematically examined in autism. To examine this basic perc...
Fast Periodic Visual Stimulation (FPVS) with oddball stimuli has been used to investigate discrimination of facial identity and emotion, with studies concluding that oddball responses indicate discrimination of faces at the conceptual level (i.e. discrimination of identity and emotion), rather than low-level perceptual (visual, image-based) discrim...
It has been hypothesized that individuals with Autism Spectrum Disorder (hereafter ‘autism’) have problems perceiving biological motion, which contributes to their social difficulties. However, the ability to perceive the kinematic profile characteristic of biological motion has not been systematically examined in autism. To examine this basic perc...
Communication deficits are a defining feature of Autism Spectrum Disorder (ASD), manifest during everyday social interactions. This study quantifies and qualifies communicative deficits in ASD, and connects them to an inability to align communicative concepts with specific individuals. While subjects with ASD showed comparable ability, flexiblity,...
It is often assumed that empathy impairments are common in individuals with eating disorders (EDs), but empirical work has been limited and produced mixed results, making the clinical features and treatment needs of this population difficult to determine. Alexithymia, characterised by difficulties identifying and describing one’s own emotions, freq...
Measures of the perception of the state of one’s own body (‘interoception’) can be categorized as one of several types. Most commonly, these measures are of: 1) the ability to form an accurate percept of the body’s state, 2) confidence in the accuracy of a specific interoceptive percept at a particular point in time, and 3) trait differences in the...
The perception of subsecond durations in adults with Autism Spectrum Disorder (hereafter 'autism'; n=25 Experiment 1, n=21 Experiment 2) and matched typical adults (n=24 Experiment 1, n=22 Experiment 2) was examined by requiring participants to perform an action in time with auditory (Experiment 1) or visual (Experiment 2) events. Individuals with...
Wadge et al. demonstrate that individuals with ASD are able and motivated to generate and modify intelligible communicative behaviors for the benefit of a communicative partner. However, they struggle to align the meaning of those behaviors with their partner when meaning relies on knowledge derived from the shared communicative history.
Autism Spectrum Disorder (ASD) is diagnosed on the basis of communicative impairments observed in everyday social interactions. Although individuals with ASD show surprising proficiency on several lab tests of social cognition, face-to-face interaction proves problematic and has been associated with biases in processing biological and multimodal li...
Journal: Biological Psychology Running head: Alexithymia and interoception: problems with the heartbeat counting task Word count: 6169 words Abstract Interoception, the perception of one's internal state, is commonly quantified using the heartbeat counting task (HCT)-which is thought to be a measure of cardiac interoceptive sensitivity (accuracy)....
Evidence suggests that intelligence is positively associated with performance on the heartbeat counting task (HCT). The HCT is often employed as measure of interoception-the ability to perceive the internal state of one's body-however it's use remains controversial as performance on the HCT is strongly influenced by knowledge of resting heart rate....
The clinical relevance of alexithymia, a condition associated with difficulties identifying and describing one’s own emotion, is becoming ever more apparent. Increased rates of alexithymia are observed in multiple psychiatric conditions, and also in neurological conditions resulting from both organic and traumatic brain injury. The presence of alex...
Contextual cues derived from body postures bias how typical observers categorize facial emotion; the same facial expression may be perceived as anger or disgust when aligned with angry and disgusted body postures. Individuals with Autism Spectrum Disorder (ASD) are thought to have difficulties integrating information from disparate visual regions t...
Contextual cues derived from body postures bias how typical observers categorize facial emotion; the same facial expression may be perceived as anger or disgust when aligned with angry and disgusted body postures. Individuals with Autism Spectrum Disorder (ASD) are thought to have difficulties integrating information from disparate visual regions t...
Interoception refers to the perception of the physiological condition of the body, including hunger, temperature, and heart rate. There is a growing appreciation that interoception is integral to higher-order cognition. Indeed, existing research indicates an association between low interoceptive sensitivity and alexithymia (a difficulty identifying...
Alexithymia is a sub-clinical condition traditionally characterized by difficulties identifying and describing one‘s own emotions. Recent formulations of alexithymia, however, suggest that the condition may result from a generalized impairment in the perception of all bodily signals ( ̳interoception‘). Interoceptive accuracy has been associated wit...
Socially situated thought and behaviour are pervasive and vitally important in human society. The social brain has become a focus of study for researchers in the neurosciences, psychology, biology and other areas of behavioural science, and it is becoming increasingly clear that social behaviour is heavily dependent on shared representations. Any s...
Table S1. Table of t-tests indicating group difference for state-emotion similarities.
Alexithymia is a sub-clinical construct, traditionally characterised by difficulties identifying and describing one’s own emotions. Despite the clear need for interoception (interpreting physical signals from the body) when identifying one’s own emotions, little research has focused on the selectivity of this impairment. While it was originally ass...
Alexithymia is a sub-clinical construct, traditionally characterized by difficulties identifying and describing one’s own emotions. Despite the clear need for interoception (interpreting physical signals from the body) when identifying one’s own emotions, little research has focused on the selectivity of this impairment. While it was originally ass...
Recent work suggests that we are better at interpreting the movements of others who move like us, and that individuals with Autism Spectrum Disorder (ASD) move in a quantifiably different way from typical individuals. Therefore, ‘social impairments’ exhibited by individuals with ASD may, at least in part, represent a failure by typical individuals...
Previous research indicates that recognising the identity of part of a face (e.g. the top half) is easier when the face is misaligned with a distractor face part (bottom half) than when the two incongruent halves are aligned, due to the two parts being 'fused', and therefore distorted, by holistic processing in the aligned condition (the 'composite...
The ability to represent mental states (‘Theory of Mind’; ToM) is crucial in understanding individual differences in social ability, and social impairments evident in conditions such as Autism Spectrum Disorder (ASD). The “Reading the Mind in the Eyes” Test (RMET) is a popular measure of ToM ability, validated in part by the poor performance of tho...
It has been suggested that developmental prosopagnosia (DP) and autism spectrum disorder (ASD) are co-occurring conditions; i.e., that the incidence of DP is greater in ASD than in the general population, and vice versa. Consistent with this suggestion, several case studies have described individuals with ASD who also exhibit severe face recognitio...
One’s own emotional response towards a hypothetical action can influence judgments of its moral acceptability. Some individuals with Autism Spectrum Disorder (ASD) exhibit atypical emotional processing, and moral judgments. Research suggests, however, that emotional deficits in ASD are due to co- occurring alexithymia, meaning atypical moral judgme...
It has been proposed that Autism Spectrum Disorder (ASD) is associated with difficulties perceiving the internal state of one's body (i.e., impaired interoception), causing the socio-emotional deficits which are a diagnostic feature of the condition. However, research indicates that alexithymia – characterized by difficulties in recognizing emotion...
In "Autism, oxytocin and interoception" (Neuroscience and Biobehavioral Reviews 47, 410-430) Quattrocki and Friston present their theory of the role of oxytocin in interoception from multiple perspectives. The arguments contained therein are compelling, and highlight the fact that interoception, and the role of oxytocin in interoception, should rec...
The difficulties encountered by individuals with autism spectrum disorder (ASD) when interacting with neurotypical (NT, i.e. nonautistic) individuals are usually attributed to failure to recognize the emotions and mental states of their NT interaction partner. It is also possible, however, that at least some of the difficulty is due to a failure of...
It is often difficult to distinguish strangers' permanent facial shapes from their transient facial expressions, for example, whether they are scowling or have narrow-set eyes. Overinterpretation of ambiguous cues may contribute to the rapid character judgments we make about others. Someone with narrow eyes might be judged untrustworthy, because of...
Previous research has yielded inconsistent findings regarding the ability of individuals with eating disorders (EDs) to recognize facial emotion, making the clinical features of this population hard to determine. This study tested the hypothesis that where observed, emotion recognition deficits exhibited by patients with EDs are due to alexithymia,...
Although contemporary models of face processing suggest that emotion recognition and identity processing dissociate, relying on different neural and cognitive mechanisms, selective deficits in facial emotion processing are not often observed. These are evident, however, in individuals with alexithymia, a subclinical trait characterized by difficult...
Adaptation paradigms seek to bias subsequently viewed stimuli through prolonged exposure to an adapting stimulus, thereby giving rise to an aftereffect. Recent experiments have found that children with autism spectrum disorders (ASD) show reduced facial aftereffects, prompting some researchers to speculate that all individuals with ASD exhibit defi...
Despite considerable research into whether face perception is impaired in autistic individuals, clear answers have proved elusive. In the present study, we sought to determine whether co-occurring alexithymia (characterized by difficulties interpreting emotional states) may be responsible for face-perception deficits previously attributed to autism...
