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. 2022 Sep 10;27(9):096004. doi: 10.1117/1.JBO.27.9.096004

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© 2022 The Authors

Published by SPIE under a Creative Commons Attribution 4.0 International License. Distribution or reproduction of this work in whole or in part requires full attribution of the original publication, including its DOI.

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Fig. 3 — Volumetric PAM of odor-evoked neural activities in the glomerular antennal lobe region of a fly antennal lobe. (a) Volumetric images of the fly brain with the cuticle removed, before, during, and after two odor stimulations. The fractional changes in PA amplitude (shown in color) are overlaid on the structural image (shown in gray). (b) Depth-wise averaged fractional changes in PA amplitude during odor stimulations. The changes are averaged over the two stimulations. (c) Time courses of averaged fractional PA amplitude changes from two representative layers [labeled in (a)] of neurons. The gray bars indicate two successive puffs of ethyl acetate. (Video 3, MP4, 502 KB [URL: https://doi.org/10.1117/1.JBO.27.9.096004.s3]; Video 4, MP4, 392 KB [URL: https://doi.org/10.1117/1.JBO.27.9.096004.s4])