A radial map of multi-whisker correlation selectivity in the rat barrel cortex.
A radial map of multi-whisker correlation selectivity in the rat barrel cortex.
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DOI:
10.1038/ncomms13528
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发表时间:
2016-11-21
影响因子:
16.6
通讯作者:
Leger, Jean-Francois
中科院分区:
文献类型:
--
作者:
Estebanez, Luc;Bertherat, Julien;Shulz, Daniel E.;Bourdieu, Laurent;Leger, Jean-Francois
In the barrel cortex, several features of single-whisker stimuli are organized in functional maps. The barrel cortex also encodes spatio-temporal correlation patterns of multi-whisker inputs, but so far the cortical mapping of neurons tuned to such input statistics is unknown. Here we report that layer 2/3 of the rat barrel cortex contains an additional functional map based on neuronal tuning to correlated versus uncorrelated multi-whisker stimuli: neuron responses to uncorrelated multi-whisker stimulation are strongest above barrel centres, whereas neuron responses to correlated and anti-correlated multi-whisker stimulation peak above the barrel–septal borders, forming rings of multi-whisker synchrony-preferring cells. Barrel cortex contains a functional map of whiskers but how neuronal activity maps multi-whisker inputs has not been studied. Here the authors show that while uncorrelated multi-whisker stimuli activate barrel neurons, correlated multi-whisker inputs activate neurons in a ring at the barrel-septa boundary
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