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Hippocampal remapping and grid realignment in entorhinal cortex

Summary: LETTERS
Hippocampal remapping and grid realignment in
entorhinal cortex
Marianne Fyhn1
*, Torkel Hafting1
*, Alessandro Treves1,2
, May-Britt Moser1
& Edvard I. Moser1
A fundamental property of many associative memory networks is
the ability to decorrelate overlapping input patterns before infor-
mation is stored15
. In the hippocampus, this neuronal pattern
separation is expressed as the tendency of ensembles of place cells6
to undergo extensive `remapping' in response to changes in the
sensory or motivational inputs to the hippocampus713
. Remap-
ping is expressed under some conditions as a change of firing rates
in the presence of a stable place code (`rate remapping')14
, and
under other conditions as a complete reorganization of the hippo-


Source: Andrzejak, Ralph Gregor - Departament de Tecnologia, Universitat Pompeu Fabra


Collections: Computer Technologies and Information Sciences