Abstract
BackgroundIndividuals with subclinical autistic traits exhibit a pattern of eye avoidance similar to that of typical autism. Our study aimed to test the efficacy of group cognitive behavioral therapy (G-CBT) in promoting gaze toward the eye area of facial expressions, specifically orienting to emotional faces, in individuals with high autistic traits (high AT). MethodsTwenty-six high AT individuals and 30 low AT individuals participated. High AT individuals were assigned to eight sessions of G-CBT intervention. Eye-tracking measurements were acquired before and after treatment. ResultsWe observed the following: (a) the eye avoidance in high AT individuals was prominent for all facial expressions in relative to low AT individuals; (b) G-CBT primarily improved gaze toward the eyes of happy and fearful faces but not for neutral face expressions in high AT individuals; (c) after 8 sessions of G-CBT, the fixation time on the eyes of emotional faces improved significantly. For happy faces, the fixation time on the eyes of faces was markedly increased in epochs between 500 ms and 1000 ms after the face onset; for fearful faces, the improvement in participants existed between about 1000 ms and 1500 ms after the face appeared. LimitationOur results may not be generalized to other patients with ASD. ConclusionsOur findings demonstrate that G-CBT significantly promotes gaze toward the eyes of emotional faces in high AT individuals. These results are encouraging, and suggest that the emotional face processing in autism spectrum disorder (ASD) might stand to benefit from similar psychotherapeutic treatment.
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