Table 4.
Summary of results. Effect of pre- and post-session mAChR blockade on multiple aspects of operant discrimination learning task.
| Behavioral Stage | Drug | Time of injection | Effect on behavior |
|---|---|---|---|
| Discrimination training | Pre-session | Benztropine | Impairs acquisition of task |
| Scopolamine | Impairs acquisition of task | ||
| Pirenzepine | Has no effect on task | ||
| Discrimination training | Post-session | Scopolamine | Impairs consolidation of cue-reward contingency |
| Performance test (after discrimination training) | Pre-session | Scopolamine | Impairs performance |