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Journal Articles Journal of Clinical and Experimental Neuropsychology Year : 2018

Prospective and retrospective episodic metamemory in posttraumatic stress disorder

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Abstract

Objectives: Posttraumatic stress disorder (PTSD) has been consistently associated with episodic memory deficits. To some extent, these deficits could be related to an impairment of metamemory in individuals with PTSD. This research consequently aims at investigating prospective (feeling-of-knowing, FOK) and retrospective (confidence) metamemory judgments for episodic information in PTSD. Method: Twenty participants with PTSD and without depression were compared to 30 healthy comparison participants on metamemory judgments during an episodic memory task. The concordance between metamemory judgments and recognition performance was then assessed by gamma correlations. Results: The results confirmed that PTSD is associated with episodic memory impairment. Regarding metamemory, gamma correlations indicated that participants with PTSD failed to accurately predict their future memory performance as compared to the comparison group (mean FOK gamma correlations: .23 vs. .42, respectively). Furthermore, participants with PTSD made less accurate confidence judgments than comparison participants (mean confidence gamma correlations: .62 vs. .74, respectively). Conclusion: Our results demonstrate an alteration of both prospective and retrospective metamemory processes in PTSD, which could be of particular relevance to future therapeutic interventions focusing on metacognitive strategies.
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Dates and versions

hal-01841568 , version 1 (17-07-2018)

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Mathilde Sacher, Andreï-Cristian Cristian Tudorache, David Clarys, Mohamed Boudjarane, Lionel Landré, et al.. Prospective and retrospective episodic metamemory in posttraumatic stress disorder. Journal of Clinical and Experimental Neuropsychology, 2018, pp.1-9. ⟨10.1080/13803395.2018.1442814⟩. ⟨hal-01841568⟩
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