Table 1.
Phase | Days |
Phase 1. Locomotor Activity | |
Response to novelty | 1 |
Methamphetamine Pre-exposure | 2–12 |
Phase 2. Light Reinforcement | |
Habituation to operant chamber | 13–19 |
Response Contingent VS | 20–30 |
Phase 3. Self-Administration | |
Surgery & Recovery | 31–38 |
Habituation to operant chamber | 39–45 |
Response contingent METH&VS | 46–56 |