Fig. 4.

Nearly universal inactivation of FEF neurons during the memory-guide saccade task dramatically increases error rates to targets in the inhibited receptive field. (A) Percentage of recorded FEF neurons with each of the three types of activity in each monkey. (B) Percentage of suppression with illumination by subtype with n values. (C) Distribution of firing rate decreases for each neuronal subtype in both monkeys. (D) Firing profile by subtype. Some neurons shown in B for monkey C were not recorded in enough trials for analysis in C because to sample more units, single-contact recordings had shorter durations. In monkey C, n = 19 (visual), n = 36 (delay), and n = 13 (motor). In monkey L, n is unchanged. RF, receptive field.