Table 1.
Age (Postnatal day, PND) | 30–39 | 40 | 65 | 70 |
---|---|---|---|---|
Phase | Conditioned place preference (CPP) | Extinction | Surgery | Reinstatement |
saline | NAcc | saline | ||
saline | NAcc | sulpiride | ||
cocaine | NAcc | saline | ||
cocaine | NAcc | sulpiride | ||
saline | VTA | saline | ||
saline | VTA | sulpiride | ||
cocaine | VTA | saline | ||
cocaine | VTA | sulpiride |