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  Flexible information routing by transient synchrony

Palmigiano, A., Geisel, T., Wolf, F., & Battaglia, D. (2017). Flexible information routing by transient synchrony. Nature Neuroscience, 20(7), 1014-1022. doi:10.1038/nn.4569.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-9E8C-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0001-6051-7
Genre: Journal Article

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 Creators:
Palmigiano, Agostina1, Author              
Geisel, Theo2, Author              
Wolf, Fred1, Author              
Battaglia, Demian, Author
Affiliations:
1Research Group Theoretical Neurophysics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063289              
2Department of Nonlinear Dynamics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society, ou_2063286              

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 Abstract: Perception, cognition and behavior rely on flexible communication between microcircuits in distinct cortical regions. The mechanisms underlying rapid information rerouting between such microcircuits are still unknown. It has been proposed that changing patterns of coherence between local gamma rhythms support flexible information rerouting. The stochastic and transient nature of gamma oscillations in vivo, however, is hard to reconcile with such a function. Here we show that models of cortical circuits near the onset of oscillatory synchrony selectively route input signals despite the short duration of gamma bursts and the irregularity of neuronal firing. In canonical multiarea circuits, we find that gamma bursts spontaneously arise with matched timing and frequency and that they organize information flow by large-scale routing states. Specific self-organized routing states can be induced by minor modulations of background activity.

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Language(s): eng - English
 Dates: 2017-05-222017-07
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1038/nn.4569
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Title: Nature Neuroscience
Source Genre: Journal
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Pages: 12 Volume / Issue: 20 (7) Sequence Number: - Start / End Page: 1014 - 1022 Identifier: -