(A) Ensemble z-score plots for TRN populations in dorsolateral (left) and dorsomedial (right) striatum recorded from rats in Group 1 (top) and Group 2 (bottom). Conventions as in Figure 2A. (B) Mean z-scores and SEMs across task-time for Group 1 (light color) and Group 2 (dark color) neuronal populations in dorsolateral (left, red) and dorsomedial (right, blue) striatum during stages A1-A5 and stages B1-B5. Gray dots as in Figure 2C for Group 1 versus Group 2 activity. (C) Representative run trajectories during the performance of the two task versions recorded during the final training session for a Group 1 animal (left, D22 session 19) and a Group 2 animal (right, D25 session 33). (D) Mean z-scores for TRN ensembles recorded from each rat, left/red: dorsolateral, right/blue: dorsomedial. See also Table 2 and Figure S3.