Table 2. Neuropsychological test scores.
| Neuropsychological tests | Mean | SD |
| WAIS-III | ||
| Full Scale IQ | 112.6 | 15.2 |
| IQ for verbal | 113.8 | 16.1 |
| IQ for performance | 108.3 | 19.5 |
| WCST | ||
| Number of category achieved | 5.5 | 1.3 |
| Perseverative errors | 11.5 | 9.8 |
| Non-perseverative errors | 10.4 | 10.4 |
| TMT | ||
| Trail A time spent | 27.0 | 5.5 |
| Trail A errors made | 0.1 | 0.3 |
| Trail B time spent | 63.8 | 27.6 |
| Trail B errors made | 0.2 | 0.5 |
Abbreviations: WAIS-III, Wechsler Adult Intelligence Scale-Third Edition (WAIS-III; Wechsler, 1997); IQ, intelligent quotient; WCST, Wisconsin Card Sorting Test (WCST; Heaton, 1981); TMT, Trail Making Test (TMT; Reitan, 1992).