Table 1.
Summary responding of each group and subgroup
| Phase 1 activity (OR) | Phase 1 food cup (CR) | PIT lever presses | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Group/Subgroup (n) | CS+ | CS− | pre-CS | CS+ | CS− | pre-CS | CS+ | CS− | pre-CS |
| VTA-Contra (8) | 99.5±18.3 | 59.6±11.4 | 41.0±9.3 | 72.8±4.9 | 11.4±2.7 | 3.8±1.0 | 4.5±0.6 | 1.4±0.8 | 3.5±0.5 |
| VTA-Uni (8) | 94.1±11.9 | 67.2±12.0 | 42.0±9.2 | 73.9±5.9 | 13.7±3.0 | 5.1±1.0 | 1.8±0.6 | 0.7±0.7 | 3.4±0.8 |
| VTA-Ipsi (5) | 96.1±16.1 | 68.0±18.1 | 40.5±10.5 | 76.5±8.5 | 16.1±4.3 | 5.7±1.4 | 1.8±0.7 | 0.3±0.8 | 3.2±0.3 |
| VTA-Uni (3) | 90.8±15.2 | 65.8±12.1 | 44.4±20.3 | 69.5±9.6 | 9.6±1.9 | 4.1±0.7 | 1.8±1.3 | 1.4±1.3 | 3.7±2.2 |
| SNC-Contra (9) | 63.9±9.4 | 35.3±8.8 | 44.3±4.0 | 80.5±5.7 | 16.0±4.0 | 8.3±3.2 | 2.1±0.5 | 1.3±0.9 | 3.3±0.9 |
| SNC-Uni (8) | 122.1±9.8 | 67.6±12.7 | 46.9±6.0 | 77.9±3.9 | 20.0±5.7 | 3.0±0.7 | 2.1±1.0 | 1.9±0.5 | 3.7±0.2 |
| SNC-Ipsi (4) | 119.7±20.1 | 64.3±20.1 | 50.1±6.2 | 79.0±6.6 | 18.3±10.5 | 3.7±1.3 | 1.8±1.6 | 1.6±0,3 | 3.2±0.3 |
| SNC-Uni (4) | 124.6±6.2 | 70.9±18.5 | 43.7±10.2 | 76.8±4.6 | 21.7±6.4 | 2.3±0.8 | 2.4±1.0 | 2.2±1.2 | 4.1±0.1 |
| CTL (8) | 100.4±12.3 | 54.6±11.4 | 23.9±5.6 | 72.4±5.4 | 6.4±1.5 | 2.0±0.6 | 4.6±0.7 | 1.1±0.7 | 3.3±0.6 |
Note. Table 1 shows responding averaged over the final four sessions of Phase 1 (first six columns of data) and during the Pavlovian-instrumental transfer (PIT) test (last 3 columns), for each of the groups and subgroups of rats. Entries for the activity measure (orienting response, OR) are mean±sem counts/min recorded during the first 5-s of the reinforced (CS+) and nonreinforced (CS−) conditioned stimuli and during the 5-s pre-CS intervals. Entries for the food cup conditioned response (CR) measure are mean±sem percentage of the time spent in the food cup during the last 5-s of the CSs and during the 5-s pre-CS intervals. Entries for lever presses during the CSs are the mean±sem elevation in lever presses/min relative to the pre-CS rates, which are given in the final column. The group labels are defined in the text.