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. 2014 Mar 31;5:125. doi: 10.3389/fphys.2014.00125

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Copyright © 2014 Sakurai, Namiki and Kanzaki.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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A plant odor enhances the activity of toroid projection neurons in response to bombykol. (A) Physiology of uniglomerular projection neurons innervating the toroid. Raster plots of individual trials (top) and the number of spikes (bottom) are shown. The neurons showed a transient excitatory response to bombykol (Bol), no response to cis-3-hexen-1-ol (Hex), and a transient excitatory response to the combination. The firing rate was higher in response to the combination than to bombykol alone. (B) Physiology of multiglomerular projection neurons innervating both the toroid and cumulus. The firing rate was higher in response to the mixture than to bombykol alone. (C) Population data on the effect of adding cis-3-hexen-1-ol. Data from 17 neurons are shown. (modified from Namiki et al., 2008).