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Design and Implementation of an fMRI Study Examining Thought Suppression in Young Women with, and At-risk, for Depression

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Depression, But Not Dissociative Experiences, Predicts Overgeneral Memory: A Systematic Review and Meta-Regression

Ayşenur Okan¹, Fatma Aydın², Mahmut Alp Erkent³

¹Department of Psychology and Neuroscience, University of North Carolina at Chapel Hill, United States.

Psychiatry and Clinical Psychopharmacology

|May 20, 2024

Summary

This summary is machine-generated.

Dissociative experiences are not linked to overgeneral autobiographical memory. Depression, however, is significantly associated with reduced memory specificity, suggesting depression is a key factor, not dissociation.

Keywords:

Autobiographical memory depression dissociation meta-regression over general memory

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Area of Science:

Cognitive Psychology
Clinical Psychology
Neuroscience

Background:

Overgeneral memory, or reduced autobiographical memory specificity, is linked to rumination, avoidance, and executive dysfunction.
While its connection to mood and anxiety disorders is established, the relationship between memory specificity and dissociation remains unclear.
This study investigates dissociative experiences and overgeneral memory, accounting for depression as a potential confounder.

Purpose of the Study:

To determine if dissociative experiences are associated with overgeneral autobiographical memory.
To examine the role of depression as a potential confounding factor in this relationship.

Main Methods:

A systematic review following PRISMA guidelines was conducted.
Searches were performed on PubMed and Web of Science using keywords related to autobiographical memory and dissociation.
Meta-regression analysis was used to assess the relationship between dissociative experiences, depression, and memory specificity.

Main Results:

Nine studies met the inclusion criteria from an initial search of 768.
Depression scores were significantly related to reduced memory specificity.
Dissociative experiences were not found to be significantly related to reduced memory specificity.

Conclusions:

Dissociative experiences do not appear to increase vulnerability to reduced autobiographical memory specificity.
Depression should be considered when interpreting findings related to dissociation and memory.
Limitations include a limited number of studies, lack of longitudinal data, heterogeneous reporting, and low dissociation scores in samples.