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Nat Neurosci. 2015 Nov;18(11):1562-4. doi: 10.1038/nn.4138. Epub 2015 Oct 19.

Memory hierarchies map onto the hippocampal long axis in humans.

Author information

1
Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, the Netherlands.

Abstract

Memories, similar to the internal representation of space, can be recalled at different resolutions ranging from detailed events to more comprehensive, multi-event narratives. Single-cell recordings in rodents have suggested that different spatial scales are represented as a gradient along the hippocampal axis. We found that a similar organization holds for human episodic memory: memory representations systematically vary in scale along the hippocampal long axis, which may enable the formation of mnemonic hierarchies.

PMID:
26479587
PMCID:
PMC4665212
DOI:
10.1038/nn.4138
[Indexed for MEDLINE]
Free PMC Article

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