| Test phase | Control | TBI | ||
| d’ Repeat (n = 21) | d’ Re-pair (n = 21) | d’ Repeat (n = 18) | d’ Re-pair (n = 18) | |
| DT-Eyes | 0.08 | −0.10 | 0.25 | 0.10 |
| DT-Mouth | 0.25 | 0.33 | 0.28 | 0.58* |
| DT-Nose | 0.35 | 0.31 | 0.35 | 0.48 |
| Total DT | 0.60** | 0.66* | 0.79** | 0.61** |