Does cognitive-behavioral therapy affect goal-directed planning in obsessive-compulsive disorder?

Area of Science:

• Neuroscience
• Psychiatry
• Cognitive Psychology

Background:

• Obsessive-compulsive disorder (OCD) is associated with impaired goal-directed planning.
• It is unclear if these deficits are a cause or consequence of OCD symptoms.

Purpose of the Study:

• To investigate if cognitive behavioral therapy (CBT) improves goal-directed planning in OCD patients.
• To determine if planning deficits are a trait or state characteristic of OCD.

Main Methods:

• Eighteen adult OCD patients completed goal-directed planning tasks and OCD/depression measures before and after 17 CBT sessions.
• A model-based vs. model-free planning task assessed goal-directed learning.

Main Results:

• Higher OCD severity correlated with poorer model-based planning pre-treatment.
• OCD symptoms significantly improved post-CBT.
• Improvements in OCD symptoms did not correlate with enhanced model-based planning post-treatment.

Conclusions:

• CBT reduces OCD symptoms but does not improve goal-directed planning deficits.
• This supports a trait model where planning deficits may represent a vulnerability factor for OCD.