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Related Experiment Video

Updated: Jul 19, 2026

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection

Brain Imaging Investigation of the Neural Correlates of Emotional Autobiographical Recollection

Published on: August 26, 2011

Neural correlates of memory confidence.

Steffen Moritz¹, Jan Gläscher, Tobias Sommer

¹Department of Psychiatry and Psychotherapy, University Medical Center Hamburg-Eppendorf, Martinistr. 52, 20246 Hamburg, Germany. moritz@uke.uni-hamburg.de

|October 13, 2006

Summary

This study explored brain activity related to memory confidence using the Deese-Roediger McDermott (DRM) task. Increased confidence in memory, even for false memories, was linked to specific brain regions, suggesting distinct neural systems for confidence and doubt.

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Area of Science:

Cognitive Neuroscience
Neuroimaging

Background:

Understanding the neural basis of memory confidence is crucial for cognitive science.
The Deese-Roediger McDermott (DRM) paradigm is effective in studying false memories and confidence levels.

Purpose of the Study:

To investigate the neural correlates of high versus low memory confidence.
To dissociate memory confidence from memory accuracy using the DRM paradigm.

Main Methods:

Utilized the verbal Deese-Roediger McDermott (DRM) paradigm with 17 female participants.
Employed functional magnetic resonance imaging (fMRI) to measure neural activation during a memory task.

Main Results:

Behavioral analysis confirmed the DRM effect, with higher confidence in "old" responses for items related to the theme.
Increased memory confidence correlated with bilateral activation in the anterior/posterior cingulate cortex and medial temporal regions.
Increased doubt during memory recall was associated with activation in the superior posterior parietal cortex.

Conclusions:

The findings suggest dissociable neural systems underlying memory confidence and doubt.
Specific brain regions are implicated in the subjective experience of memory certainty and uncertainty.