Extended Data Fig. 7: Cortical depth estimation in primary visual cortex using physiological markers.
From: Triple dissociation of visual, auditory and motor processing in mouse primary visual cortex

(a) Close-up of a coronal section on V1 showing the electrode track stained with DiI. (b) Example distribution along the probe of spectral power (500 Hz to 5 kHz) indicative of multi-unit activity (MUA). High MUA power is characteristic of L5. Compare with87. (c) Current source density (CSD) map and LFP traces (black lines) in response to checkerboard stimulation. b and c are from the same example session. Color corresponds to CSD power. (d) Overview of electrode span across layers. Each line is one session (n = 84 sessions). Data from electrodes at depths above 0 or below 1000 µm were excluded from analyses. (e) Same as b, but for all sessions. Gray lines are individual sessions, black line the median. (f) Same as c, but averaged across all sessions.