Extended Data Fig. 5: The spatial modulation of V1 responses cannot be explained by speed.
From: Coherent encoding of subjective spatial position in visual cortex and hippocampus

a, Speed–position plots for all single-trial trajectories in three example recording sessions. b, Response profile of example V1 cells in each session as a function of position in the corridor, stratified for three speed ranges corresponding to the shading bands in a. c, Two-dimensional response profiles of the same example neurons showing activity as a function of position and running speed for speeds higher than 1 cm s−1.