| Subject Group | Acute (ED1) | BL ED10 to ED1 | Rech ED10 | |
| (a) Total N= 81 | ↑ | 17 (21%) | 20 (24.7%) | 25 (30.9%) |
| ↓ | 14 (17.3%) | 21 (25.9%) | 13 (16%) | |
| ↔ | 50 (61.7%) | 40 (49.4%) | 43 (53.1%) | |
| (b) Rats Exhibiting Behavioral SensitizationN= 27 | ↑ | 7 (25.9%) | 6 (22.2%) | 7 (25.9%) |
| ↓ | 2 (7.4%) | 3 (11.1%) | 2 (7.4%) | |
| ↔ | 18 (66.7%) | 18 (66.7%) | 18 (66.7%) | |
| (c) Rats Exhibiting Non-Sensitized Behavior N= 54 | ↑ | 10 (18.5%) | 14 (25.9%) | 18 (33.3%) |
| ↓ | 12(22.2%) | 18 (33.3%) | 11 (20.4%) | |
| ↔ | 32(59.3%) | 22 (40.8%) | 25 (46.3%) |