Extended Data Fig. 3: Histological analysis of recording locations.
From: Remote activation of place codes by gaze in a highly visual animal
(a) Coronal section of a typical recording location in the hippocampus, showing the track of the recording probe. The section is labeled with DAPI, which clearly delineates the lower-density hippocampus from the higher-density dorsolateral region (DL) that is directly lateral to the hippocampus. (b-d) Locations of all recorded cells registered to a 3D model of the chickadee brain constructed using data from63. Colored symbols: cells included in the paper, black lines: electrode tracks. Track locations were confirmed histologically for 8/14 probe tracks, yielding 2504/2658 cells in the X-shaped tasks and 351/361 cells in the all-to-all task (note that 5/9 birds were implanted with two-shank silicon probes). The locations of the remaining cells were estimated from stereotaxic coordinates. Lambda is located at 0 mm in the displayed coordinate axes.
