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          Institute: MPI für medizinische Forschung     Collection: Jahrbuch 2012     Display Documents



ID: 638157.0, MPI für medizinische Forschung / Jahrbuch 2012
Two distinct temporal channels of olfactory bulb output
Translation of Title:Two distinct temporal channels of olfactory bulb output
Authors:Fukunaga, Izumi; Berning, Manuel; Kollo, Mihaly; Schmaltz, Anja; Schaefer, Andreas T.
Language:English
Date of Publication (YYYY-MM-DD):2012-07-26
Title of Journal:Neuron
Journal Abbrev.:Neuron
Volume:75
Issue / Number:2
Start Page:320
End Page:329
Review Status:Peer-review
Audience:Experts Only
Intended Educational Use:No
Abstract / Description:Rhythmic neural activity is a hallmark of brain function, used ubiquitously to structure neural information. In mammalian olfaction, repetitive sniffing sets the principal rhythm but little is known about its role in sensory coding. Here, we show that mitral and tufted cells, the two main classes of olfactory bulb projection neurons, tightly lock to this rhythm, but to opposing phases of the sniff cycle. This phase shift is established by local inhibition that selectively delays mitral cell activity. Furthermore, while tufted cell phase is unperturbed in response to purely excitatory odorants, mitral cell phase is advanced in a graded, stimulus−dependent manner. Thus, phase separation by inhibition forms the basis for two distinct channels of olfactory processing
External Publication Status:published
Document Type:Article
Communicated by:Wulf Kaiser
Affiliations:MPI für medizinische Forschung/Abteilung Zellphysiologie
MPI für medizinische Forschung/Abteilung Biomedizinische Optik
MPI für medizinische Forschung/Abteilung Zellphysiologie/Olfaction Web
MPI für medizinische Forschung/Abteilung Biomedizinische Optik/Gruppe Moritz Helmstaedter
MPI für medizinische Forschung/Max-Planck-Forschungsgruppe Neurophysiologie des Verhaltens (Andreas T. Schaefer)
Identifiers:LOCALID:7798
URI:http%3A%2F%2Fac.els-cdn.com%2FS0896627312004837%2F...
URI:http%3A%2F%2Fdx.doi.org%2F10.1016%2Fj.neuron.2012....
DOI:10.1016%2Fj.neuron.2012.05.017
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