Fig. 4.
(A) Choice behavior in experiment 2 for the Standard and Spatial conditions as a function of whether the instructions emphasized that the participants had either control or no control over the probability of reward. (B) Choice behavior in experiment 3 for participants with cerebellar degeneration and age-matched controls in the three response conditions: Standard (blue), Binary (green), and Spatial (red). Error bars depict 1 SEM.