(
A) Average selectivity (±SEM) of pooled neural spiking for the task-relevant category of sample location (Above/Below) in each of the three neural populations as a function of time from sample onset. Horizontal bars indicate time bins of significant selectivity (p<0.05 lasting at least 100 ms) in the corresponding populations (blue: cPFC; green: AIP; red: lPFC). (
B) Percent of each population with significant selectivity (p<0.01) for the Above/Below categorization. (
C) Same as
A for the task-irrelevant dimension of sample location (Right/Left). (
D) Same as
B for the Right/Left dimension. Analyses of spiking selectivity result to similar patterns whether they are performed on a pooled spiking activity per electrode or on the spikes of individual neurons (
Figure 6).