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Perceptual stability during dramatic changes in olfactory bulb activation maps and dramatic declines in activation amplitudes

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dc.contributor.author Homma, Ryota
dc.contributor.author Cohen, Lawrence B.
dc.contributor.author Kosmidis, E. K.
dc.contributor.author Youngentob, S. L.
dc.date.accessioned 2010-03-04T16:21:42Z
dc.date.available 2010-03-04T16:21:42Z
dc.date.issued 2007-03-30
dc.identifier.uri http://hdl.handle.net/1912/3192
dc.description Author Posting. © The Authors, 2008. This is the author's version of the work. It is posted here by permission of Federation of European Neuroscience Societies and Blackwell for personal use, not for redistribution. The definitive version was published in European Journal of Neuroscience 29 (2009): 1027-1034, doi:10.1111/j.1460-9568.2009.06644.x. en_US
dc.description.abstract We measured the concentration dependence of the ability of rats to identify odorants and compared these results with the calcium signals in the nerve terminals of the olfactory receptor neurons. Odorant identification remained far above random chance at all concentrations tested (between 0.0006% and 35% of saturated vapor). In contrast the calcium signals were much smaller than their maximum values at odorant concentrations less than 1% of saturated vapor. Extrapolation suggests that only a few spikes in olfactory sensory neurons may be sufficient for correct odorant identification. en_US
dc.description.sponsorship Supported by NIH grants DC05259 and AA014871. en_US
dc.format.mimetype application/pdf
dc.language.iso en_US en_US
dc.relation.uri http://dx.doi.org/10.1111/j.1460-9568.2009.06644.x
dc.title Perceptual stability during dramatic changes in olfactory bulb activation maps and dramatic declines in activation amplitudes en_US
dc.title.alternative Toward an estimate of the number of receptor neuron spikes needed for odor identification en_US
dc.type Preprint en_US


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