Whole-central nervous system functional imaging in larval Drosophila
Abstract
Understanding how the brain works in tight concert with the rest of the central nervous system (CNS) hinges upon knowledge of coordinated activity patterns across the whole CNS. We present a method for measuring activity in an entire, non-transparent CNS with high spatiotemporal resolution. We combine a light-sheet microscope capable of simultaneous multi-view imaging at volumetric speeds 25-fold faster than the state-of-the-art, a whole-CNS imaging assay for the isolated Drosophila larval CNS and a computational framework for analysing multi-view, whole-CNS calcium imaging data. We image both brain and ventral nerve cord, covering the entire CNS at 2 or 5 Hz with two- or one-photon excitation, respectively. By mapping network activity during fictive behaviours and quantitatively comparing high-resolution whole-CNS activity maps across individuals, we predict functional connections between CNS regions and reveal neurons in the brain that identify type and temporal state of motor programs executed in the ventral nerve cord.
Citation
Lemon , W , Pulver , S , Hockendorf , B , McDole , K , Branson , K , Freeman , J & Keller , P 2015 , ' Whole-central nervous system functional imaging in larval Drosophila ' , Nature Communications , vol. 6 , 7924 . https://doi.org/10.1038/ncomms8924
Publication
Nature Communications
Status
Peer reviewed
ISSN
2041-1723Type
Journal article
Description
This work was supported by the Howard Hughes Medical Institute.Collections
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