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Neuropsychological functioning in a subclinical obsessive-compulsive sample.

D Mataix-Cols1, C Junqué, M Sànchez-Turet

  • 1Department of Psychiatry and Clinical Psychobiology, University of Barcelona, Spain.

Biological Psychiatry
|April 15, 1999
PubMed
Summary
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Subclinical obsessive-compulsive (OC) individuals show spatial information processing deficits, similar to diagnosed patients. This suggests frontostriatal circuit dysfunction may underlie obsessive-compulsive disorder (OCD).

Area of Science:

  • Neuropsychology
  • Cognitive Neuroscience
  • Psychiatry

Background:

  • Subclinical obsessive-compulsive (OC) samples offer a method to study obsessive-compulsive disorder (OCD) pathophysiology.
  • This approach may circumvent issues associated with clinical samples.

Purpose of the Study:

  • To investigate executive functioning in subclinical OC individuals.
  • To explore neuropsychological deficits in a non-clinical population exhibiting OC traits.

Main Methods:

  • Assessed 35 subclinical OC subjects using the Padua Inventory.
  • Administered executive functioning and neuropsychological tests, including the Tower of Hanoi puzzle.
  • Compared performance against a control group.

Main Results:

Related Experiment Videos

  • Subclinical OC subjects required more moves to solve the Tower of Hanoi puzzle.
  • Performance on the Tower of Hanoi correlated with OC traits and checking behaviors.
  • No significant differences were found on other frontal lobe tests between groups.

Conclusions:

  • Spatial information manipulation deficits may be fundamental to OCD.
  • Findings support the role of frontostriatal circuit dysfunction in OCD pathophysiology.