Review Article

A Neural Correlate of Predicted and Actual Reward-Value Information in Monkey Pedunculopontine Tegmental and Dorsal Raphe Nucleus during Saccade Tasks

Figure 8

Changes in the reaction times and activity of DRN and putative dopaminergic neurons with reward contingency reversal. The reaction times (a) and normalized neuronal activity during the postreward period of DRN (400–800 ms after reward onset) and putative dopaminergic neurons (0–400 ms after reward onset) are plotted. In (b), the data are shown for DRN neurons with a large-reward preference (left), DRN neurons with a small-reward preference (middle), and putative dopaminergic neurons (right). Error bars, SEM. (Modified from [44].)
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(a) Reaction times
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(b) Postreward normalized neuronal activity