| Subject Group | Acute (ED1) | BL ED10 to ED1 | Rech ED10 | |
| (a) Total N= 101 | ↑ | 73 (73.3%) | 62 (61.4%) | 50 (49.5%) |
| ↓ | 7 (6.9%) | 31 (30.7%) | 41 (40.6%) | |
| ↔ | 21 (20.8%) | 8 (7.9%) | 10 (9.9%) | |
| (b) Rats Exhibiting Behavioral Sensitization N=81 | ↑ | 65 (80.2%) | 54 (66.7%) | 43 (53.1%) |
| ↓ | 2 (2.5%) | 21 (25.9%) | 31 (38.3%) | |
| ↔ | 14 (17.3%) | 6 (7.4%) | 7 (8.6%) | |
| (c) Rats Exhibiting Non-Sensitized BehaviorN= 20 | ↑ | 8 (40%) | 8 (40%) | 7 (35%) |
| ↓ | 5(25%) | 10 (50%) | 10 (50%) | |
| ↔ | 7(35%) | 2 (10%) | 3 (15%) |