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. 2018 May 14;12:128. doi: 10.3389/fncel.2018.00128

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Copyright © 2018 Lüdke, Raiser, Nehrkorn, Herz, Galizia and Szyszka.

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) and the copyright owner 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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Odor and post-odor responses along the olfactory pathway. (A) Schematic of the olfactory system of Drosophila. (Left): gross anatomy. (Right): areas investigated in this study. (B) Spatial distribution of Ca²⁺ activity during and after olfactory stimulation (here with 1-butanol) in the neuronal compartments along the olfactory pathway. Color coded ΔF/F images show the average of 5 s recording time (i.e., 25 frames). All areas showed distinct responses upon odorant stimulation. (Scale bars 20 μm). See also calcium imaging movies on http://neuro.uni-konstanz.de/luedke/.