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Moderating effect of autistic traits on the relationship between peripheral visual processing and facial emotion
Yuki Harada1,2, Nana Kamei3, Chiharu Tsukiyama3
1Faculty of Humanities, Kyoto University of Advanced Science, Kyoto city, Kyoto, 615-0096, Japan. haradayuuki00@gmail.com.
Attention, Perception & Psychophysics
|February 23, 2026
Summary
Autism spectrum disorder impacts facial emotion recognition. This study found that peripheral vision, or functional field of view (FFOV), is linked to recognizing emotions, especially in individuals with fewer autistic traits.
Area of Science:
- Neuroscience
- Psychology
- Vision Science
Background:
- Autism spectrum disorder (ASD) is characterized by atypical facial emotion recognition.
- The role of peripheral visual processing, specifically the functional field of view (FFOV), in ASD remains under-investigated.
Purpose of the Study:
- To investigate the relationship between autistic traits, FFOV size, and facial emotion recognition ability.
- To explore how autistic traits modulate the association between peripheral visual processing and emotion recognition.
Main Methods:
- Seventy-five students completed the Autism-Spectrum Quotient (AQ) and underwent facial emotion recognition and FFOV tasks.
- Facial emotion recognition involved identifying basic emotions from images.
- FFOV size was measured by assessing digit identification accuracy in peripheral vision as a function of visual angle.
Main Results:
- Autism-Spectrum Quotient (AQ) scores did not predict FFOV size.
- FFOV size showed a significant positive correlation with facial emotion recognition accuracy.
- This positive correlation was attenuated in individuals with lower AQ scores.
Conclusions:
- Peripheral visual processing, as measured by FFOV, is associated with facial emotion recognition capabilities.
- The strength of this association is influenced by the level of autistic traits, suggesting a nuanced interplay between peripheral vision and social cognition in ASD.
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