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. Author manuscript; available in PMC: 2020 Jul 30.
Published in final edited form as: Brain Struct Funct. 2019 Dec 4;225(1):227–240. doi: 10.1007/s00429-019-01996-5

Figure 2. Setup of GCaMP fiber photometry and signal preprocessing.

Figure 2.

(A) Setup of the two-wavelength GCaMP fiber photometry system. (B) Signals detected with 465 nm and 405 nm excitation wavelengths, respectively. (C) 405 nm signals were regressed out from 465 nm signals to provide fluorescence changes pertinent to neuronal activity.