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Comparison of eye movements in schizophrenia and autism spectrum disorder.


ABSTRACT: Aim: Eye movement abnormalities are often associated with psychiatric illness. Subjects with either schizophrenia or autism spectrum disorder (ASD) have been reported to show eye movement abnormalities. However, it is still unclear whether eye movement abnormalities in schizophrenia and in ASD have common features. This study aimed to understand the similarities/differences in eye movement abnormalities of subjects with schizophrenia and those with ASD.

Methods: We analyzed 75 eye movement characteristics of 83 subjects with schizophrenia, 17 subjects with ASD and 255 healthy controls that were collected during fixation, smooth pursuit and free viewing tasks using analysis of covariance with the covariates age and sex.

Results: We found significant effects across groups on 21 eye movement characteristics, of which 4 characteristics had large effect sizes. Post hoc multiple comparisons indicated significant differences between the subjects with schizophrenia and healthy controls across all 21 characteristics. On the other hand, no significant difference between the ASD group and healthy control group was found. Instead, the subjects with ASD showed significant differences from the subjects with schizophrenia in 5 eye movement characteristics during the free viewing and smooth pursuit eye movements.

Conclusions: The present results suggest that eye movement abnormalities in the subjects with ASD are different from those with schizophrenia and that the tasks in this study are suitable to detect eye movement abnormality in schizophrenia. Thus, the eye movement examinations used here may distinguish subjects with schizophrenia from those with ASD.

SUBMITTER: Shiino T 

PROVIDER: S-EPMC7292215 | biostudies-literature | 2020 Mar

REPOSITORIES: biostudies-literature

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Comparison of eye movements in schizophrenia and autism spectrum disorder.

Shiino Tomoko T   Miura Kenichiro K   Fujimoto Michiko M   Kudo Noriko N   Yamamori Hidenaga H   Yasuda Yuka Y   Ikeda Manabu M   Hashimoto Ryota R  

Neuropsychopharmacology reports 20191127 1


<h4>Aim</h4>Eye movement abnormalities are often associated with psychiatric illness. Subjects with either schizophrenia or autism spectrum disorder (ASD) have been reported to show eye movement abnormalities. However, it is still unclear whether eye movement abnormalities in schizophrenia and in ASD have common features. This study aimed to understand the similarities/differences in eye movement abnormalities of subjects with schizophrenia and those with ASD.<h4>Methods</h4>We analyzed 75 eye m  ...[more]

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