Models of grid cells and theta oscillations

Caswell Barry, Daniel Bush, John O’Keefe and Neil Burgess ()
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Caswell Barry: UCL Institute of Cognitive Neuroscience, 17 Queen Square, London WC1N 3AR, UK
Daniel Bush: UCL Institute of Cognitive Neuroscience, 17 Queen Square, London WC1N 3AR, UK
John O’Keefe: Gower Street, London WC1E 6BT, UK
Neil Burgess: UCL Institute of Cognitive Neuroscience, 17 Queen Square, London WC1N 3AR, UK

Nature, 2012, vol. 488, issue 7409, E1-E1

Abstract: Abstract Arising from M. M.Yartsev, M. P. Witter & N. Ulanovsky Nature 479, 103–107 (2011)10.1038/nature10583 Grid cells recorded in the medial entorhinal cortex (MEC) of freely moving rodents show a markedly regular spatial firing pattern whose underlying mechanism has been the subject of intense interest. Yartsev et al.1 report that the firing of grid cells in crawling bats does not show theta rhythmicity “causally disproving a major class of computational models” of grid cell firing that rely on oscillatory interference2,3,4,5,6,7. However, their data may be consistent with these models, with the apparent lack of theta rhythmicity reflecting slow movement speeds and low firing rates. Thus, the conclusion of Yartsev et al. is not supported by their data.

Date: 2012
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DOI: 10.1038/nature11276

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