Chronic Treatment | Withdrawal Duration | n | Basal DA | Post-AMPH (4.0 mg/kg) |
---|---|---|---|---|
None | 5 | 45.5 ± 2.3 | 587.4 ± 103.2 | |
Saline | Short | 5 | 46.8 ± 3.4 | 689.5 ± 112.3 |
Long | 7 | 32.4 ± 2.5 | 589.4 ± 108.2 | |
AMPH | Short | 4 | 37.4 ± 3.9 | 450.7 ± 62.2 |
Long | 7 | 37.1 ± 4.4 | 564.5 ± 69.4 |
DA efflux is expressed as mean ± S.E.M. in fmol/20 μl dialysate.