Table 1.
Effects of i.v. MDMA on locomotor activation in rats undergoing in vivo microdialysis
Dialysis Probe Site | Ambulation (cm) | Stereotypy (events) | ||||
---|---|---|---|---|---|---|
Baseline (0 min) | 1 mg/kg (+20 min) | 3 mg/kg (+80 min) | Baseline (0 min) | 1 mg/kg (+20 min) | 3 mg/kg (+80 min) | |
Nucleus Accumbens | 87±40 | 838±162* | 1343±249* | 89±21 | 421±57* | 790±82* |
Caudate Nucleus | 157±50 | 749±98* | 1429±277* | 174±47 | 431±37* | 896±63* |
Prefrontal Cortex | 116±56 | 624±196* | 1893±338* | 123±34 | 353±42* | 799±66* |
Rats received 1 mg/kg MDMA at time zero, followed by 3 mg/kg 60 min later. Values are mean±SEM for N=5–6 rats/group expressed as peak effects obtained in the first sampling period after drug administration
P<0.05 compared to baseline control value for each brain region.