Table 1.
Patient and control group performance on neuropsychological tasks.
| Tasks | Patient | Controls (n = 4) |
|---|---|---|
| Digit span | 5.0 | 6.2 ± 1.3 |
| Word span | 4.0 | 4.5 ± 0.58 |
| Morphologically complex word span (2 syllables) | 4.0 | 4.5 ± 0.65 |
| Morphologically complex word span (3 syllables) | 4.0 | 3.87 ± 0.25 |
| Corsi block tapping test | 6.0 | 5.75 ± 0.5 |
| Backward digit span | 4* | 5.0 ± 0.82 |
| Reading span | 4.0 | 4.58 ± 0.92 |
| Listening span | 3** | 3.75 ± 0.32 |
| RBMT (screening score) | 12 | 12 ± 0 |
| RBMT (profile score) | 24 | 24 ± 0 |
| Letter fluency (words/1 min) | 8.67** | 15.75 ± 1.55 |
| Semantic fluency (words/1 min) | 17.5* | 26.75 ± 5.38 |
| WCST categories | 6 | 5.69 ± 1.12 |
| WCST total errors | 11 | 17 ± 14.4 |
| WCST perseverative errors | 5 | 7 ± 5.71 |
| SRT – motor + sequence learning (P1-11) | −18.5** | 157.5 ± 51.88 |
| SRT – sequence-specific learning (P11-R) | −6.5** | 55 ± 27.58 |
| Articulation rate (sound/s) | 11.2* | 14.1 ± 2.1 |
| Speech tempo (sound/s) | 9.8* | 13.2 ± 3.3 |
| Pause/signal time ratio (%) | 32** | 17 ± 3.1 |
More than 1 SD differences between patient and controls in bold. (*More than 1 SD, **2 or more SD difference between patient and control performance).