Theta-paced flickering between place-cell maps in the hippocampus

Karel Jezek (), Espen J. Henriksen, Alessandro Treves, Edvard I. Moser () and May-Britt Moser
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Karel Jezek: Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, Norwegian University of Science and Technology, Olav Kyrres gate 9, MTFS, 7489 Trondheim, Norway
Espen J. Henriksen: Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, Norwegian University of Science and Technology, Olav Kyrres gate 9, MTFS, 7489 Trondheim, Norway
Alessandro Treves: Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, Norwegian University of Science and Technology, Olav Kyrres gate 9, MTFS, 7489 Trondheim, Norway
Edvard I. Moser: Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, Norwegian University of Science and Technology, Olav Kyrres gate 9, MTFS, 7489 Trondheim, Norway
May-Britt Moser: Kavli Institute for Systems Neuroscience and Centre for the Biology of Memory, Norwegian University of Science and Technology, Olav Kyrres gate 9, MTFS, 7489 Trondheim, Norway

Nature, 2011, vol. 478, issue 7368, 246-249

Abstract: In the mind's eye It is thought that external environments are represented in the brain by a network of hippocampal place cells indicating discrete points on a neuronal 'map'. Place representations have been shown to tolerate small changes of configuration in the environment, but less is known about how the neural representation changes when the dissimilarities between map and sensory inputs become large. Experiments using a 'teleportation' context in rodents demonstrate that after a dramatic change in environment, rather than slide through a series of intermediates, spatial representations in the place cell networks 'flicker' between past and present environments before settling on the latter.

Date: 2011
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DOI: 10.1038/nature10439

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