![]() Many researchers have focused on the social deficit of ASD. Thus, future research is required to elucidate the characteristics and neurobiology of autistic visual perception to effectively apply these findings in the interventions of ASD.Īutism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by deficits in social communication and interaction and by restricted or repetitive patterns of behavior, interests, and activities (RRB). Importantly, atypical visual perception in ASD may enhance difficulties in dealing with complex and subtle social stimuli, or improve outstanding abilities in certain fields in individuals with Savant syndrome. It is likely that visual perceptual abnormalities are independent of deficits of social functions or cognition. However, there is considerable evidence for atypical early visual processing in ASD. Results from neuroimaging studies indicate that atypical visual perception in ASD may be influenced by attention or higher order cognitive mechanisms, and atypical face perception may be affected by disrupted social brain network. Specifically, we examined the neural underpinnings of visual detection, motion perception, and face processing in ASD. Herein, we review the findings from neuroimaging studies related to visual perception in ASD. Recently, atypical sensory perception in ASD has received much attention, yet little is known about its cause or neurobiology. Although autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by social impairments, patients with ASD frequently manifest atypical sensory behaviors.
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