Table 4.
Amphetamine-induced change in [11C]raclopride BPND and dialysate DA in striatum
| Amphetamine Dose | Animal | PET Baseline BPND |
AMPH BPND | Δ BP | Microdialysis Baseline DA* (nM) |
Δ Peak DA (%) |
Δ Average DA (%) |
|---|---|---|---|---|---|---|---|
| 0.5 mg/kg | D | 3.48 | 1.87 | −46% | - | - | - |
| PET: n=2experiments/2 animals | D | - | - | - | 8.81 | 5167 | 2355 |
| MD: n=5 experiments/2 animals | D | - | - | - | 8.36 | 4688 | 2819 |
| E | 3.12 | 2.26 | −27% | - | - | - | |
| E | - | - | - | 13.14 | 2981 | 2169 | |
| E | - | - | - | 28.83 | 2473 | 1673 | |
| E | - | - | - | 24.05 | 913 | 401 | |
| Mean +/− SD | 3.30 ± 0.25 | 2.07 ± 0.28 | −36.8% ± 13.3% | 16.64 ± 9.29 | 3244 ± 1723 | 1884 ± 925 |
MD- Microdialysis; AMPH- Amphetamine
Mean values of n= 3 to 4 baseline dopamine samples from −30 to 0 minutes before amphetamine