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Information Journal Paper

Title

Visual attention patterns in autism spectrum disorder

Pages

  1-15

Abstract

 Introduction: Studies of Visual attention in people with autism spectrum disorder often lead to contradictory results. These contradictory results are due to the use of assumptions, consideration of limited properties, and limitation of the type of stimuli. In this study, an attempt has been made to investigate the Visual attention patterns of people with autism through a comprehensive study using eye-tracking data analysis, as well as Image processing tools and models. Methods: In this study, the eye-tracking data of 28 subjects with a mean age of eight years (range 5-12 years) were initially processed. Three hundred images of this study were then analyzed, visually segmented, labeled, and categorized based on low-level features (color, intensity, and directions), higher-level features (such as object size), and communication and social features by using models such as Itti Koch Model and Image processing tools such as LabelMe. Visual attention patterns among people with autism were assessed using statistical tests. Results: The obtained results revealed that people with autism pay less attention to parts of the images that include semantic and communicative features. On the contrary, they spend more time on the parts that contain tools and equipment. Besides, they are slower to pay attention to parts of the image that contain social features and instead spend more time paying attention to the background parts of the image that include repetitive patterns. In addition, they spend more time in each fixation in parts that lack semantic or social features. Conclusion: The present study concluded that the main signs and symptoms of autism spectrum disorder could be observed in the Visual attention patterns of people with autism, and these patterns may also be used to design an autism screening tool based on eye-tracking technology.

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    APA: Copy

    KIANI, MOHAMMAD, POURETEMAD, HAMIDREZA, & Amani Rad, Jamal. (2021). Visual attention patterns in autism spectrum disorder. ADVANCES IN COGNITIVE SCIENCE, 23(2 ), 1-15. SID. https://sid.ir/paper/957347/en

    Vancouver: Copy

    KIANI MOHAMMAD, POURETEMAD HAMIDREZA, Amani Rad Jamal. Visual attention patterns in autism spectrum disorder. ADVANCES IN COGNITIVE SCIENCE[Internet]. 2021;23(2 ):1-15. Available from: https://sid.ir/paper/957347/en

    IEEE: Copy

    MOHAMMAD KIANI, HAMIDREZA POURETEMAD, and Jamal Amani Rad, “Visual attention patterns in autism spectrum disorder,” ADVANCES IN COGNITIVE SCIENCE, vol. 23, no. 2 , pp. 1–15, 2021, [Online]. Available: https://sid.ir/paper/957347/en

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