Fig. 1.

Schematic of target selection tasks. Each box depicts the monitor display at a point in the trial. On each trial, the monkey fixated the central stimulus while a color cue was presented and committed that color cue to memory. A: on saccade trials, the monkey made a saccade to fixate the stimulus that matched the cue to earn a juice reward. B: on smooth pursuit trials, the monkey tracked the matching stimulus without making a saccade during the 1st 250 ms of stimulus presentation. C: on button press trials, the monkey maintained fixation on the central white spot, and selected the matching stimulus by pressing a left or right button to indicate his choice.