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  Decorrelated Neuronal Firing in Cortical Microcircuits

Ecker, A., Berens, P., Keliris, G., Bethge, M., Logothetis, N., & Tolias, A. (2010). Decorrelated Neuronal Firing in Cortical Microcircuits. Science, 327(5965), 584-587. doi:10.1126/science.1179867.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-C166-C Version Permalink: http://hdl.handle.net/21.11116/0000-0002-776F-D
Genre: Journal Article

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 Creators:
Ecker, AS1, 2, Author              
Berens, P1, 2, Author              
Keliris, GA2, 3, Author              
Bethge, M1, 2, Author              
Logothetis, NK2, 3, Author              
Tolias, AS, Author              
Affiliations:
1Research Group Computational Vision and Neuroscience, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497805              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              
3Department Physiology of Cognitive Processes, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497798              

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 Abstract: Correlated trial-to-trial variability in the activity of cortical neurons is thought to reflect the functional connectivity of the circuit. Many cortical areas are organized into functional columns, in which neurons are believed to be densely connected and to share common input. Numerous studies report a high degree of correlated variability between nearby cells. We developed chronically implanted multitetrode arrays offering unprecedented recording quality to reexamine this question in the primary visual cortex of awake macaques. We found that even nearby neurons with similar orientation tuning show virtually no correlated variability. Our findings suggest a refinement of current models of cortical microcircuit architecture and function: Either adjacent neurons share only a few percent of their inputs or, alternatively, their activity is actively decorrelated.

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 Dates: 2010-01
 Publication Status: Published in print
 Pages: -
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 Rev. Method: -
 Identifiers: DOI: 10.1126/science.1179867
BibTex Citekey: 6257
 Degree: -

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Title: Science
  Other : Science
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Association for the Advancement of Science
Pages: - Volume / Issue: 327 (5965) Sequence Number: - Start / End Page: 584 - 587 Identifier: ISSN: 0036-8075
CoNE: https://pure.mpg.de/cone/journals/resource/991042748276600_1