Brief Communication abstract
Nature Neuroscience 10, 682 - 684 (2007)
Published online: 7 May 2007 | doi:10.1038/nn1905
Experience-dependent rescaling of entorhinal grids
Caswell Barry1,2,3,4, Robin Hayman3,4, Neil Burgess1,2 & Kathryn J Jeffery3,4
The firing pattern of entorhinal 'grid cells' is thought to provide an intrinsic metric for space. We report a strong experience-dependent environmental influence: the spatial scales of the grids (which are aligned and have fixed relative sizes within each animal) vary parametrically with changes to a familiar environment's size and shape. Thus grid scale reflects an interaction between intrinsic, path-integrative calculation of location and learned associations to the external environment.
- Institute of Cognitive Neuroscience, University College London, 17 Queen Square, London WC1N 3AR, UK.
- Department of Anatomy, University College London, Gower St., London WC1E 6BT, UK.
- Institute of Behavioural Neuroscience, University College London, 26 Bedford Way, London WC1H 0AP, UK.
- Department of Psychology, University College London, 26 Bedford Way, London WC1H 0AP, UK.
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Hippocampal remapping and grid realignment in entorhinal cortexNature Letters to Editor (08 Mar 2007)
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