Article (Scientific journals)
The anterior medial hippocampus contributes to both recall and familiarity-based memory for scenes.
Gardette, Jeremy; Cousin, E; Hot, P
2023In Neurobiology of Learning and Memory, 206, p. 107859
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Keywords :
Familiarity; Hippocampus; Recall; Scene processing; fMRI; Mental Recall; Recognition, Psychology; Visual Perception
Abstract :
[en] The hippocampus is usually associated with recall memory, whereas its contribution to familiarity-based memory is debated. Growing evidence support the idea that this structure participates to any cognitive process performed on scene representations. In parallel, differences in functional specialisation and cortical connectivity were found across the longitudinal and transverse axes of the hippocampus. Here we reanalysed functional MRI data from 51 participants showing stronger engagement of the hippocampus in recall, familiarity-based recognition and rejection, and visual discrimination, of scenes compared to single objects. A conjunction analysis between these four tasks revealed a set of occipital, medial temporal, posterior cingulate, and parietal regions, matching the scene construction network described in the literature. Crucially, we found that the anterior medial part of the hippocampus was consistently involved in all tasks investigated for scene stimuli. These findings support that the hippocampus can contribute to both recall and familiarity-based memory, depending on stimulus type. More generally, this bolsters the recent proposal that circumscribed regions within the hippocampus may underpin specific cognitive mechanisms.
Disciplines :
Neurosciences & behavior
Author, co-author :
Gardette, Jeremy  ;  LPNC, CNRS URM 5105, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, 38000 Grenoble, France
Cousin, E;  LPNC, CNRS URM 5105, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, 38000 Grenoble, France
Hot, P;  LPNC, CNRS URM 5105, Univ. Grenoble Alpes, Univ. Savoie Mont Blanc, 38000 Grenoble, France, Institut universitaire de France, France. Electronic address: pascal.hot@univ-smb.fr
Language :
English
Title :
The anterior medial hippocampus contributes to both recall and familiarity-based memory for scenes.
Publication date :
December 2023
Journal title :
Neurobiology of Learning and Memory
ISSN :
1074-7427
eISSN :
1095-9564
Publisher :
Academic Press Inc., United States
Volume :
206
Pages :
107859
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Université Savoie Mont Blanc
Funding text :
We thank Jean-Baptiste Eichenlaub and Louise Dupraz for useful comments on the manuscript
Available on ORBi :
since 12 March 2025

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