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The role of correlated firing and synchrony in coding information about single and separate objects in cat V1

Lookup NU author(s): Dr Stefano Panzeri, Dr Huw Golledge, Dr Fashan Zheng, Gianni Pola, Dr Martin Tovee, Professor Malcolm Young

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Abstract

It has been suggested that correlated activity between groups of neurons indicates that they are responding to the same object, Evidence from visual cortex is controversial. We recorded multiunit activity from two different electrodes in VI cortex of anaesthetized cats while presenting 0, 1 or 2 objects. We quantified how much information about stimulus configuration is contributed by independent rate modulations, and how much is added by correlated firing. We found that correlated firing increased the information carried by the firing rates of the recording sites. However, the information contributed by correlations was small compared to that of rates. (C) 2002 Elsevier Science B.V. All rights reserved.

Publication metadata

Author(s): Pola G; Young MP; Panzeri S; Zheng F; Tovee MJ; Golledge HDR; Blanche TJ

Publication type: Article

Publication status: Published

Journal: Neurocomputing

Year: 2002

Volume: 44-46

Pages: 579-584

ISSN (print): 0925-2312

ISSN (electronic): 1872-8286

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/S0925-2312(02)00443-5

DOI: 10.1016/S0925-2312(02)00443-5

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