Implicit discrimination of basic facial expressions of positive/negative emotion in Fragile X Syndrome and Autism Spectrum Disorder

Hayley Crawford, J. Moss, G.M. Anderson, C. Oliver, J.P. McCleery

    Research output: Contribution to journalArticle

    12 Citations (Scopus)
    16 Downloads (Pure)

    Abstract

    Fragile X syndrome (FXS) and autism spectrum disorders (ASD) are characterized by impaired social functioning. We examined the spontaneous discrimination of happy and disgusted facial expressions, from neutral faces, in individuals with FXS (n  =  13, Mage  =  19.70) and ASD (n  =  15, Mage  =  11.00) matched on adaptive behavior and verbal abilities measured by the Vineland Adaptive Behavior Scale. Eye gaze to the eyes and mouth of neutral faces was also measured. Results suggest individuals with FXS and ASD distinguish facial expressions spontaneously in the same way. Individuals with FXS looked significantly less at the eye region of neutral faces than individuals with ASD. These results provide insight into similarities and differences in face processing in two neurodevelopmental disorders noted for their similarities in social behavior.
    Original languageEnglish
    Pages (from-to)328-345
    JournalAmerican Journal on Intellectual and Developmental Disabilities
    Volume120
    Issue number4
    DOIs
    Publication statusPublished - 2015

    Funder

    Economic and Social Research Council

    Keywords

    • fragile X syndrome
    • autism spectrum disorders
    • eye gaze
    • emotion recognition
    • facial expressions

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