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  Two distinct temporal channels of olfactory bulb output

Fukunaga, I., Berning, M., Kollo, M., Schmaltz, A., & Schaefer, A. T. (2012). Two distinct temporal channels of olfactory bulb output. Neuron, 75(2), 320-329. doi:10.1016/j.neuron.2012.05.017.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-1293-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0024-1294-0
Genre: Journal Article
Alternative Title : Two distinct temporal channels of olfactory bulb output

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 Creators:
Fukunaga, Izumi1, Author              
Berning, Manuel2, Author              
Kollo, Mihaly1, Author              
Schmaltz, Anja1, Author              
Schaefer, Andreas T.1, Author              
Affiliations:
1Max Planck Research Group Behavioural Neurophysiology (Andreas T. Schaefer), Max Planck Institute for Medical Research, Max Planck Society, ou_1497722              
2Department of Biomedical Optics, Max Planck Institute for Medical Research, Max Planck Society, ou_1497699              

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 Abstract: 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

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Language(s): eng - English
 Dates: 2012-05-012012-07-252012-07-25
 Publication Status: Published in print
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 Rev. Method: Peer
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Title: Neuron
Source Genre: Journal
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Publ. Info: Cambridge, Mass. : Cell Press
Pages: - Volume / Issue: 75 (2) Sequence Number: - Start / End Page: 320 - 329 Identifier: ISSN: 0896-6273
CoNE: https://pure.mpg.de/cone/journals/resource/954925560565