doi: 10.1038/nn1905.
Epub 2007 May 7.
Experience-dependent rescaling of entorhinal grids
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- PMID: 17486102
- DOI: 10.1038/nn1905
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Experience-dependent rescaling of entorhinal grids
Nat Neurosci.
2007 Jun.
Abstract
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.
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