Visual Perception in Autism Spectrum Disorder: A Review of Neuroimaging Studies

Although autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by social impairments, patients with ASD frequently manifest atypical sensory behaviors. Recently, atypical sensory perception in ASD has received much attention, yet little is known about its cause or neurobiolog...

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Published inSoa--chʻŏngsonyŏn chŏngsin ŭihak = Journal of child & adolescent psychiatry Vol. 31; no. 3; pp. 105 - 120
Main Authors Chung, Seungwon, Son, Jung-Woo
Format Journal Article
LanguageEnglish
Published Seoul 대한소아청소년정신의학회 01.07.2020
Korean Academy of Child and Adolescent Psychiatry
Subjects
Attention
Autism
Brain
Cognition & reasoning
Medical imaging
Memory
Neurobiology
Neuroimaging
Sex discrimination
Social behavior
Special
Visual perception
Neuroimaging
Functional magnetic resonance imaging
Autism spectrum disorder
Visual perception
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Summary:Although autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by social impairments, patients with ASD frequently manifest atypical sensory behaviors. Recently, atypical sensory perception in ASD has received much attention, yet little is known about its cause or neurobiology. Herein, we review the findings from neuroimaging studies related to visual perception in ASD. Specifically, we examined the neural underpinnings of visual detection, motion perception, and face 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. However, there is considerable evidence for atypical early visual processing in ASD. It is likely that visual perceptual abnormalities are independent of deficits of social functions or cognition. 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. 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.
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ISSN:1225-729X
2233-9183
DOI:10.5765/jkacap.200018