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Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
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Eye movement tracking in pediatric obsessive compulsive disorder.

Anirban Ray1, Aditi Subramanian2, Harleen Chhabra2

  • 1Dept. of Child & Adolescent Psychiatry, National Institute of Mental Health and Neurosciences, Bangalore Hosur Road, Bangalore, Pin: 560029; Department of Psychiatry, Institute of Post Graduate Medical Education & Research, 7 D. L. Khan Road, Kolkata, West Bengal.

Asian Journal of Psychiatry
|May 11, 2019
PubMed
Summary

Eye tracking did not identify a diagnostic biomarker for pediatric obsessive-compulsive disorder (OCD). Researchers found no significant differences in eye movement tasks between children with OCD and healthy controls.

Keywords:
Anti-saccadePediatric obsessive-compulsive disorderPro-saccadeSaccadeSaccade error rateSaccade latencySaccadic gain

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Area of Science:

  • Neuroscience
  • Ophthalmology
  • Psychiatry

Background:

  • Neuroimaging studies have explored neurobiological substrates in obsessive-compulsive disorder (OCD).
  • A definitive diagnostic biomarker for pediatric OCD remains elusive.
  • Eye tracking offers a potential non-invasive method for biomarker discovery.

Purpose of the Study:

  • To investigate the potential of eye tracking measures as biomarkers in pediatric OCD.
  • To compare pro-saccade and anti-saccade parameters between children with OCD and healthy controls.

Main Methods:

  • The study involved 36 children diagnosed with OCD and 31 healthy controls.
  • Pro-saccade and anti-saccade eye tracking tasks were administered.
  • Key parameters measured included error rate, peak velocity, position gain, and latency.

Main Results:

  • No significant differences were found between OCD cases and controls in most eye tracking parameters.
  • Age-related changes in anti-saccade performance were observed in both groups.
  • Gain measures varied significantly with age in children with OCD, and latency showed a different age correlation compared to controls.

Conclusions:

  • Current eye tracking measures do not appear to be reliable diagnostic biomarkers for pediatric OCD.
  • Further research into age-specific latency and gain parameters in anti-saccade tasks is warranted.