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Coding of stimulus location by spike timing in rat somatosensory cortex

Lookup NU author(s): Dr Stefano Panzeri

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Abstract

Although the timing of single spikes is known to code for time-varying stimulus features, it remains unclear whether time is also important in coding of static stimulus variables. We review a new information theoretic method for analyzing spike timing codes and apply it to single neurons recorded from the somatosensory cortex of the rat. We found that precise spike timing increases the information transmitted about stimulus location by a substantial amount, compared to that transmitted only by spike counts, PSTH modulations constitute the crucial component of this code, while correlations between the spikes play a less important (but positive) role. (C) 2002 Elsevier Science B.V. All rights reserved.

Publication metadata

Author(s): Panzeri S, Petersen RS, Schultz SR, Lebedev MA, Diamond ME

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Neurocomputing: 10th Computational Neuroscience Meeting (CSN 01)

Year of Conference: 2002

Pages: 573-578

ISSN: 0925-2312

Publisher: Elsevier BV

URL: http://dx.doi.org/10.1016/S0925-2312(02)00428-9

DOI: 10.1016/S0925-2312(02)00428-9

Library holdings: Search Newcastle University Library for this item

ISBN: 18728286

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