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. 2007 Mar 30;362(1481):761–772. doi: 10.1098/rstb.2007.2086

Figure 1.

Figure 1

Neural activity in the monkey and the human lateral PFC during the retention interval of a spatial oculomotor delayed response (ODR) task. (a) Macaque: average of single-unit recordings from 46 neurons with delay-period activity from the monkey lateral PFC (brain area (BA) area 46; adapted from Funahashi et al. 1989). C, cue; D, delay; R, response. (b) Human: significant delay-period activity (left) and average (±s.e.) fMRI signal (right) from right lateral PFC (BA area 46; circled) in a human performing an ODR task (unpublished data from my laboratory). The grey bar represents the length of the delay interval. Note that how in both cases the level of PFC activity persists throughout the delay, seconds after the stimulus cue has disappeared.