Disgust Processing and Potential Relationships with Behaviors in Autism

Overview

Journal Curr Psychiatry Rep

Publisher Current Science

Specialty Psychiatry

Date 2023 Sep 6

PMID 37672122

Authors

Aditya Jayashankar

Lisa Aziz-Zadeh

Affiliations

Soon will be listed here.

Abstract

Purpose Of Review: While there are reports of differences in emotion processing in autism, it is less understood whether the emotion of disgust, in particular, plays a significant role in these effects. Here, we review literature on potential disgust processing differences in autism and its possible associations with autistic traits.

Recent Findings: In autism, there is evidence for differences in physical disgust processing, pica behaviors, attention away from other's disgust facial expressions, and differences in neural activity related to disgust processing. In typically developing individuals, disgust processing is related to moral processing, but modulated by individual differences in interoception and alexithymia. Autistic individuals may experience atypical disgust, which may lead to difficulty avoiding contaminants and affect socio-emotional processing. In autism, such outcomes may lead to increased occurrences of illness, contribute to gastrointestinal issues, diminish vicarious learning of disgust expression and behaviors, and potentially contribute to differences in processes related to moral reasoning, though further research is needed.

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