Cited by 26Attention Deficit Hyperactivity DisorderNeural and Behavioral Psychology StudiesAutism Spectrum Disorder Research

Gap effect abnormalities during a visually guided pro-saccade task in children with attention deficit hyperactivity disorder

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Matsuo, Yuka, Watanabe, Masayuki, Taniike, Masako, Mohri, Ikuko, Kobashi, Syoji, Tachibana, Masaya, Kobayashi, Yasushi, Kitamura, Yuri·2015·PLoS ONE

Abstract

Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder that starts in early childhood and has a comprehensive impact on psychosocial activity and education as well as general health across the lifespan. Despite its prevalence, the current diagnostic criteria for ADHD are debated. Saccadic eye movements are easy to quantify and may be a quantitative biomarker for a wide variety of neurological and psychiatric disorders, including ADHD. The goal of this study was to examine whether children with ADHD exhibit abnormalities during a visually guided pro-saccadic eye-movement and to clarify the neurophysiological mechanisms associated with their behavioral impairments. Thirty-seven children with ADHD (aged 5-11 years) and 88 typically developing (TD) children (aged 5-11 years) were asked to perform a simple saccadic eye-movement task in which step and gap conditions were randomly interleaved. We evaluated the gap effect, which is the difference in the reaction time between the two conditions. Children with ADHD had a significantly longer reaction time than TD children (p < 0.01) and the gap effect was markedly attenuated (p < 0.01). These results suggest that the measurement of saccadic eye movements may provide a novel method for evaluating the behavioral symptoms and clinical features of ADHD, and that the gap effect is a potential biomarker for the diagnosis of ADHD in early childhood.

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Authors
Matsuo, Y., Watanabe, M., Taniike, M., Mohri, I., Kobashi, S., Tachibana, M., Kobayashi, Y., & Kitamura, Y.
Affiliations
  • The University of Osaka (JP)
  • Queen's University (CA)
  • Molecular Research Center for Children's Mental Development (JP)
  • University of Hyogo (JP)
  • Mayo Clinic in Florida (US)
  • Center for Information and Neural Networks (JP)
Corresponding author
Kitamura, Yuri
Venue
PLoS ONE
Published
2015-05-27
Volume
10
Issue
5
Pages
e0125573
ISSN
1932-6203 (ISSN-L)
OpenAlex
W905349152
Cited by
26
References
68
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2022: 4 · 2021: 3 · 2020: 2 · 2019: 7 · 2018: 1 · 2017: 2 · 2016: 2
FWCI
1.35
Type
journal article
Language
en
Open access
Locations
  • PLoS ONE (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Japan Society for the Promotion of Science (15H02669, 21610011, 15K12721, 26242041, 25460752)
  • Precursory Research for Embryonic Science and Technology
Topics
  • Health Sciences › Medicine › Psychiatry and Mental health › Attention Deficit Hyperactivity Disorder
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Neural and Behavioral Psychology Studies
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
Keywords
attention deficit hyperactivity disorder, saccades, gap effect, reaction time, biomarkers, early childhood, children, saccade latency
MeSH terms
Attention Deficit Disorder with Hyperactivity, Child, Child, Preschool, Eye Movements, Female, Humans, Male, Saccades, Biomarkers

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