Cited by 193Autism Spectrum Disorder ResearchMotor Control and AdaptationVisual perception and processing mechanisms

Pursuit eye movement deficits in autism

Takarae, Y.·2004·Brain

Abstract

Oculomotor studies provide a novel strategy for evaluating the functional integrity of multiple brain systems and cognitive processes in autism. The current study compared pursuit eye movements of 60 high-functioning individuals with autism and 94 intelligence quotient, age and gender matched healthy individuals using ramp and oscillating target tasks. Individuals with autism had normal pursuit latency, but reduced closed-loop pursuit gain when tracking both oscillating and ramp targets. This closed-loop deficit was similar for leftward and rightward pursuit, but the difference between individuals with autism and their age-matched peers was more apparent after mid-adolescence, suggesting reduced maturational achievement of the pursuit system in autism. Individuals with autism also had lower open-loop pursuit gain (initial 100 ms of pursuit) and less accurate initial catch-up saccades during a foveofugal step-ramp task, but these deficits were only seen when targets moved into the right visual field. Pursuit performance in both open- and closed-loop phases was correlated with manual praxis in individuals with autism. Bilateral disturbances in the ability to use internally generated extraretinal signals for closed-loop pursuit implicate frontostriatal or cerebellar circuitry. The hemifield specific deficit in open-loop pursuit demonstrates a lateralized disturbance in the left extrastriate areas that extract visual motion information, or in the transfer of visual motion information to the sensorimotor areas that transform visual information into appropriate oculomotor commands.

Integrity signals

Registry

Crossref · 10.1093/brain/awh307

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  • Findings of reduced smooth pursuit velocity, hypometric saccades, and increased trial-to-trial variability of saccade amplitude implicate vermal dysfunction in AD.

    “Findings of reduced smooth pursuit velocity [202], hypometric saccades, and increased trial-to-trial variability of saccade amplitude [24] implicate vermal dysfunction in AD.”

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Authors
Takarae, Y.
Affiliations
University of Pittsburgh (US)
Corresponding author
Takarae, Y.
Venue
Brain
Published
2004-11-10
Volume
127
Issue
12
Pages
2584-2594
ISSN
  • 0006-8950 (ISSN-L)
  • 1460-2156
OpenAlex
W2137249178
Cited by
193
References
69
Citations by year
2026: 4 · 2025: 7 · 2024: 5 · 2023: 7 · 2022: 7 · 2021: 18 · 2020: 7 · 2019: 11 · 2018: 7 · 2017: 11 · 2016: 11 · 2015: 13 · 2014: 6 · 2013: 12 · 2012: 9
FWCI
3.64
Type
journal article
Language
en
Open access
closed
Locations
  • Brain (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Guarantors of Brain
  • National Institutes of Health
  • National Institute of Mental Health (MH01433, K02MH001433)
  • National Institute of Neurological Disorders and Stroke (NS33355)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01HD035469, HD35469)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Motor Control and Adaptation
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Visual perception and processing mechanisms
Keywords
autism spectrum disorder, pursuit eye movements, smooth pursuit eye movements, catch-up saccades, oculomotor development, hemifield asymmetry, extraretinal signals, frontostriatal circuits, cerebellar circuits, visual motion processing, high-functioning autism
MeSH terms
Adolescent, Adult, Aging, Autistic Disorder, Child, Humans, Intelligence, Middle Aged, Motor Skills, Neuropsychological Tests, Pursuit, Smooth, Ocular Motility Disorders

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