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Memory bias, confidence and responsibility in compulsive checking.

A S Radomsky1, S Rachman, D Hammond

  • 1University of British Columbia, Psychology Department, Vancouver, Canada.

Behaviour Research and Therapy
|June 23, 2001
PubMed
Summary
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People with obsessive-compulsive disorder (OCD) who compulsively check show a memory bias for threatening information. This bias intensifies with increased feelings of responsibility, but disappears when responsibility is absent.

Area of Science:

  • Psychology
  • Neuroscience
  • Cognitive Science

Background:

  • Compulsive checking in obsessive-compulsive disorder (OCD) is linked to memory.
  • Previous research indicated a memory bias for threat in compulsive cleaners.
  • The specific memory-checking relationship in OCD requires further investigation.

Purpose of the Study:

  • To explore the relationship between memory and compulsive checking in a clinical OCD sample.
  • To investigate how responsibility influences memory bias for threat-relevant information during checking behaviors.

Main Methods:

  • Participants with compulsive checking OCD underwent diagnostic interviews.
  • Memory and confidence were assessed after baseline, high, and low responsibility checks.
  • Memory recall was re-evaluated one week later using video recordings ('no responsibility' condition).

Related Experiment Videos

Main Results:

  • A positive memory bias for threat-relevant information was observed.
  • Increased responsibility amplified this memory bias.
  • No memory bias was detected under conditions of no responsibility.

Conclusions:

  • Responsibility significantly impacts memory bias and confidence in individuals with OCD.
  • Findings support the mnestic deficit theory and cognitive-behavioral models of OCD.
  • Memory confidence may be more affected than memory recall by responsibility levels in OCD.