Table 3.

Prereversal discrimination performance

PresurgeryPostsurgery
D1D2D2 retentionD3 acquisition
Controls49.67 ± 13.3250.33 ± 13.387.33 ± 3.8445.67 ± 12.99
DA medial caudate depletions51.0 ± 10.1357.5 ± 11.983.75 ± 3.1274.75 ± 17.69
5-HT medial caudate depletions38.0 ± 12.8654.0 ± 19.981.33 ± 1.3342.33 ± 26.96
  • Number of errors (±SEM) made before reaching the performance criterion on all prereversal discriminations for monkeys with 5,7-DHT or 6-OHDA medial caudate infusions and controls.