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Neuron. 2013 Jan 9;77(1):7-9. doi: 10.1016/j.neuron.2012.12.025.

A scalar neural code for categories in parietal cortex: representing cognitive variables as "more" or "less".

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1
Department of Neuroscience, University of Minnesota, Minneapolis, MN 55455, USA. chafe001@umn.edu

Abstract

In this issue, Fitzgerald et al. (2013) show that LIP neurons in monkeys encode categorically distinct task conditions using a scalar code. Activity scales up or down to encode different categories, with neurons maintaining proportional levels of activity in relation to one another.

PMID:
23312511
DOI:
10.1016/j.neuron.2012.12.025
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