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Déjà vu and the entorhinal cortex: dissociating recollective from familiarity disruptions in a single case patient

Brandt, K. R., Conway, M. A., James, A. and von Oertzen, T. J. (2018). Déjà vu and the entorhinal cortex: dissociating recollective from familiarity disruptions in a single case patient. Memory, doi: 10.1080/09658211.2018.1543436

Abstract

Past research has demonstrated a relationship between déjà vu and the entorhinal cortex in patients with wider medial temporal lobe damage. The aim of the present research was to investigate this crucial link in a patient (MR) with a selective lesion to the left lateral entorhinal cortex to provide a more direct exploration of this relationship. Two experiments investigated the experiences of déjà vécu (using the IDEA questionnaire) and déjà vu (using an adapted DRM paradigm) in MR and a set of matched controls. The results demonstrated that MR had quantitatively more and qualitatively richer recollective experiences of déjà vécu. In addition, under laboratory-based déjà vu conditions designed to elicit both false recollection (critical lures) and false familiarity (weakly-associated lures), MR only revealed greater memory impairments for the latter. The present results are therefore the first to demonstrate a direct relationship between the entorhinal cortex and the experience of both déjà vu and déjà vécu. They furthermore suggest that the entorhinal cortex is involved in both weakly-associative false memory as well as strongly-associative memory under conditions that promote familiarity-based processing.

Publication Type: Article
Additional Information: This is an Accepted Manuscript of an article published by Taylor & Francis in Memory on 19 November 2018, available online: http://www.tandfonline.com/10.1080/09658211.2018.1543436.
Publisher Keywords: Entorhinal cortex, familiarity, recollection, déjà vu
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: School of Arts & Social Sciences > Psychology
URI: http://openaccess.city.ac.uk/id/eprint/20982
[img] Text - Accepted Version
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