Table 1.
This table lists the mean (bold) and standard deviation of the mean (italics) of response-contingent light presentations presented according to a variable-interval 2 min schedule during the test phase of Experiment 1. (Each datum represents the average number of light presentations per session, averaged over two sessions.)
| Pre-exposure Group |
Test Phase Blocks |
||||||
|---|---|---|---|---|---|---|---|
| 1&2 | 3&4 | 5&6 | 7&8 | 7&10 | |||
| Saline | |||||||
| Paired | 10.11 | 10.57 | 9.29 | 9.54 | 9.39 | ||
| 1.64 | 2.23 | 1.72 | 1.74 | 2.20 | |||
| Unpaired | 5.17 | 4.63 | 5.38 | 5.96 | 5.38 | ||
| 2.67 | 1.57 | 1.93 | 1.85 | 1.98 | |||
| METH | |||||||
| Paired | 11.58 | 11.69 | 12.35 | 12.96 | 12.85 | ||
| 1.84 | 1.88 | 2.00 | 2.09 | 1.65 | |||
| Unpaired | 7.92 | 9.35 | 10.58 | 10.69 | 11.58 | ||
| 2.75 | 2.35 | 1.75 | 2.10 | 1.54 | |||