Journal
AUTISM RESEARCH
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1002/aur.2977
Keywords
event-related potentials; eye-tracking; N170; pupil size; social cognition
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Difficulties in face recognition are common in autistic children and can lead to social-cognitive problems. However, there is limited evidence on behavioral interventions targeting this cognitive domain. Our study aimed to investigate whether acute aerobic exercise has an impact on face recognition in autistic children. The results showed impaired face recognition following exercise, as indicated by a greater increase in reaction time compared to a control condition.
Difficulties in face recognition contribute to social-cognitive problems in autistic children. Evidence on behavioral interventions targeting this cognitive domain is limited. In non-autistic individuals, a single exercise session is known to elicit temporary benefits for several cognitive functions. Our study investigates whether acute aerobic exercise influences face recognition in autistic children. In a randomized order, 29 participants completed a 20-min moderately-intense cycling bout on an ergometer and a control condition. Before and after each condition, participants categorized Mooney faces and instruments during a computerized cognitive task. Simultaneously, the N170 component of event-related potentials and pupil size were recorded using electroencephalography and eyetracking, respectively. As indicated by a greater increase of reaction time in the exercise compared to the control condition, the results revealed impaired face recognition following aerobic exercise. This effect was accompanied by a lower decrease of the positive N170 amplitude and a trend towards a greater constriction of the pupil size in the exercise compared to the control condition. Our findings highlight the interplay of the physiological state and face recognition in autistic children. Exercise-induced impairments in this social-cognitive ability may be due to an interference with the learning effect that is typically seen for the structural encoding of faces.
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