Abstract：
:There is a conflicting literature on facial emotion processing in autism spectrum disorder (ASD): both typical and atypical performance have been reported, and inconsistencies in the literature may stem from different processes examined (emotion judgment, face perception, fixations) as well as differences in participant populations. Here we conducted a detailed investigation of the ability to discriminate graded emotions shown in morphs of fear-happy faces, in a well-characterized high-functioning sample of participants with ASD and matched controls. Signal detection approaches were used in the analyses, and concurrent high-resolution eye-tracking was collected. Although people with ASD had typical thresholds for categorical fear and confidence judgments, their psychometric specificity to detect emotions across the entire range of intensities was reduced. However, fixation patterns onto the stimuli were typical and could not account for the reduced specificity of emotion judgment. Together, our results argue for a subtle and specific deficit in emotion perception in ASD that, from a signal detection perspective, is best understood as a reduced specificity due to increased noise in central processing of the face stimuli.
journal_name
Neuropsychologiajournal_title
Neuropsychologiaauthors
Wang S,Adolphs Rdoi
10.1016/j.neuropsychologia.2017.03.024subject
Has Abstractpub_date
2017-05-01 00:00:00pages
286-295eissn
0028-3932issn
1873-3514pii
S0028-3932(17)30104-5journal_volume
99pub_type
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