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  Spike-Phase Coding Boosts and Stabilizes Information Carried by Spatial and Temporal Spike Patterns

Kayser, C., Montemurro, M., Logothetis, N., & Panzeri, S. (2009). Spike-Phase Coding Boosts and Stabilizes Information Carried by Spatial and Temporal Spike Patterns. Neuron, 61(4), 597-608. doi:10.1016/j.neuron.2009.01.008.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-C5CF-2 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-CA33-1
Genre: Journal Article

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 Creators:
Kayser, C1, 2, 3, Author              
Montemurro, MA, Author
Logothetis, NK2, 3, Author              
Panzeri, S, Author              
Affiliations:
1Research Group Physiology of Sensory Integration, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497808              
2Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              
3Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497794              

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 Abstract: Several codes have been proposed in order to explain how neurons encode sensory information. Here we tested the hypothesis that different codes might be employed concurrently and provide complementary stimulus-information. Quantifying the information encoded about natural sounds in the auditory cortex of alert animals, we found that temporal spike-train patterns and spatial populations were both highly informative. However, the relative phase of slow ongoing rhythms at which these (temporal or population) responses occurred provided much additional and complementary information. Such nested codes combining spike-train patterns with the phase of firing were not only most informative, but also most robust to sensory noise added to the stimulus. Our findings suggest that processing in sensory cortices could rely on the concurrent use of several codes that combine information across different spatio-temporal scales. In addition, they propose a role of slow cortical rhythms in stabilizing sensory representations b y reducing effects of noise.

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 Dates: 2009-02
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1016/j.neuron.2009.01.008
BibTex Citekey: 5642
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Title: Neuron
Source Genre: Journal
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Publ. Info: Cambridge, Mass. : Cell Press
Pages: - Volume / Issue: 61 (4) Sequence Number: - Start / End Page: 597 - 608 Identifier: ISSN: 0896-6273
CoNE: https://pure.mpg.de/cone/journals/resource/954925560565