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1- Department of Neuroscience, School of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
2- Department of occupational Therapy, School of Rehabilitation, Iran University of Medical Sciences, Tehran, Iran.
3- The Institute for Cognitive and Brain Sciences, Shahid Beheshti University, Tehran, Iran.
4- Department of Speech Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran.
5- School of Electrical and Computer Engineering, College of Engineering, University of Tehran, Iran.
Background: Autism spectrum disorder (ASD) is a neurodevelopmental disorder. The pattern of eye movements during reading can significantly impact reading quality. This study aimed to examine the eye movement patterns, which are essential for reading, in children with ASD as compared to their neurotypical peers.
Methods: This study focused on two crucial indicators that influence reading: eye fixation time and saccade movement. Comparison of parameters of saccade movements and eye fixation in a sentence reading task was done between two groups using an eye tracker device. autistic chidren (15 children, average age: 102.33months) and their neurotypical peers (17 children, average age: 101.69 months) participated in this study.
Results:  The results showed that compared to their neurotypical peers, children with ASD have lower amplitude while reading sentences (P.Value:  0.02(.These children used more number of fixations to read the words in the sentence (P.Value:  0.02(. Comparing the total time spent to read a sentence between the two groups shows that autistic children need more time to read a sentence (P.Value:  0.02(.
Discussion: these results suggest that low-level sensorimotor processes involved in generating accurate eye movements such as dorsal visual pathway and cerebellum can significantly impact the reading quality of children with ASD.
Type of Study: Original | Subject: Cognitive Neuroscience
Received: 2023/07/19 | Accepted: 2023/08/28

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