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Updated: Jul 14, 2026
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Developing Neuroimaging Phenotypes of the Default Mode Network in PTSD: Integrating the Resting State, Working Memory, and Structural Connectivity
Published on: July 1, 2014
PTSD psychiatric patients exhibit a deficit in remembering
Géraldine Tapia1, David Clarys, Wissam El Hage
1Université François-Rabelais, Département de Psychologie, UMR CNRS 6215, Tours, France. g.tapia@landesdegascogne.com
Memory (Hove, England)
|May 31, 2007
Summary
This study shows Post-Traumatic Stress Disorder (PTSD) alters memory recall, shifting from remembering to knowing. This memory change in PTSD is linked to anxiety levels and may indicate issues with source memory formation.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Psychiatry
Background:
- Post-Traumatic Stress Disorder (PTSD) is associated with cognitive impairments.
- Recognition memory, encompassing 'remembering' and 'knowing' components, is a key area of cognitive function affected by psychological conditions.
- Understanding memory awareness in PTSD is crucial for developing targeted interventions.
Purpose of the Study:
- To investigate the impact of PTSD on recognition memory, specifically the 'remembering' versus 'knowing' (R/K) distinction.
- To explore the relationship between altered memory patterns in PTSD and trait anxiety levels.
- To examine potential implications for source memory formation in PTSD.
Main Methods:
- Comparison of a PTSD patient group with a healthy control group on a recognition memory task.
- Utilized non-trauma-related words to assess memory recall.
- Measured both 'remembering' (detailed recollection) and 'knowing' (familiarity) responses.
Main Results:
- No significant difference in overall recognition accuracy between PTSD and control groups.
- PTSD group exhibited a distinct pattern of R/K responses, showing a shift from 'remembering' to 'knowing'.
- The shift towards 'knowing' in the PTSD group was correlated with higher trait anxiety levels.
Conclusions:
- PTSD influences the qualitative aspects of recognition memory, favoring familiarity over detailed recollection.
- Altered memory awareness in PTSD may be linked to underlying anxiety and difficulties in source memory.
- Findings suggest impaired source memory formation could be a common feature across various presentations of PTSD.
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