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  An event map of memory space in the hippocampus

Deuker, L., Bellmund, J., Navarro Schröder, T., & Doeller, C. F. (2016). An event map of memory space in the hippocampus. eLife, 5: e16534. doi:10.7554/eLife.16534.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-7A0D-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-15BB-3
Genre: Journal Article

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Deuker_Bellmund_2016.pdf (Publisher version), 5MB
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 Creators:
Deuker, Lorena1, Author
Bellmund, Jacob1, Author              
Navarro Schröder, Tobias 1, Author
Doeller, Christian F.1, Author              
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1External Organizations, ou_persistent22              

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Free keywords: fMRI; hippocampus; human; memory; neuroscience
 Abstract: The hippocampus has long been implicated in both episodic and spatial memory, however these mnemonic functions have been traditionally investigated in separate research strands. Theoretical accounts and rodent data suggest a common mechanism for spatial and episodic memory in the hippocampus by providing an abstract and flexible representation of the external world. Here, we monitor the de novo formation of such a representation of space and time in humans using fMRI. After learning spatio-temporal trajectories in a large-scale virtual city, subject-specific neural similarity in the hippocampus scaled with the remembered proximity of events in space and time. Crucially, the structure of the entire spatio-temporal network was reflected in neural patterns. Our results provide evidence for a common coding mechanism underlying spatial and temporal aspects of episodic memory in the hippocampus and shed new light on its role in interleaving multiple episodes in a neural event map of memory space.

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Language(s): eng - English
 Dates: 2016-03-312016-09-072016-10-06
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.7554/eLife.16534
PMID: 27710766
PMC: PMC5053807
PII: e16534
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Title: eLife
Source Genre: Journal
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Publ. Info: Cambridge : eLife Sciences Publications
Pages: - Volume / Issue: 5 Sequence Number: e16534 Start / End Page: - Identifier: ISSN: 2050-084X
CoNE: https://pure.mpg.de/cone/journals/resource/2050-084X