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Related Experiment Videos

Depression accounts for executive function deficits in obsessive-compulsive disorder.

M R Basso1, R A Bornstein, F Carona

  • 1Department of Psychology, University of Tulsa, Oklahoma 74104, USA. michael-basso@utulsa.edu

Neuropsychiatry, Neuropsychology, and Behavioral Neurology
|November 29, 2001
PubMed
Summary

Depression severity, not obsessive-compulsive disorder (OCD), significantly impacts executive function deficits in individuals with OCD. Sensory-motor deficits in OCD appear linked to basal ganglia and orbital frontal dysfunction.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Cognitive Psychology

Background:

  • Obsessive-compulsive disorder (OCD) is linked to basal ganglia and orbital frontal dysfunction.
  • Depression frequently co-occurs with OCD, yet its impact on cognitive deficits is understudied.

Purpose of the Study:

  • To investigate the distinct contribution of depression to executive function impairments in OCD.
  • To differentiate cognitive deficits related to OCD from those associated with comorbid depression.

Main Methods:

  • Administered a comprehensive neuropsychological test battery to 20 adults with OCD and 31 controls.
  • Assessed depressive symptom severity using the Minnesota Multiphasic Personality Inventory depression scale.

Main Results:

Related Experiment Videos

  • OCD patients exhibited executive function and sensory-motor deficits.
  • Depression severity predicted executive function deficits, while OCD presence predicted sensory-motor deficits.

Conclusions:

  • Executive function abnormalities in OCD are primarily associated with comorbid depressive severity.
  • Sensory-motor deficits in OCD are more indicative of basal ganglia/orbital frontal dysfunction.