Neuropsychological battery
| Neuropsychological domain | Measures | Age | No. patients | No. siblings |
|---|---|---|---|---|
| Mental, motor, and social development | Denver Developmental Scales13 | 4–6 | 17 | 6 |
| Intelligence | Wechsler Pre-School and Primary Scales of Intelligence (WPPSI-R), 10 subtests14 | 4–6 | ||
| FS-IQ | 12 | 6 | ||
| V-IQ | 13 | 6 | ||
| P-IQ | 12 | 6 | ||
| Intelligence | Wechsler Intelligence Scale for Children (WISC-R), 10 subtests15 | 6–13 | ||
| FS-IQ | 26 | 23 | ||
| V-IQ | 30 | 23 | ||
| P-IQ | 26 | 23 | ||
| Concentration factor | 28 | 23 | ||
| Perceptual organisation | 25 | 23 | ||
| Verbal-auditory learning and memory | Dutch version of Rey’s Auditory-Verbal Learning Test (RAVLT)16 | 6–13 | 26 | 23 |
| Visual memory | Rey-Osterreith Complex Figure Test delayed (CFT) recall17 | 6–13 | ||
| Verbal fluency | Animal naming fluency test17 | 6–13 | 30 | 23 |
| Sustained attention/speed | Bourdon-Vos; self-paced, continuous performance cancellation task12 | 6–13 | 20 | 21 |
| Cognitive flexibility | Wisconsin Card Sorting Test (WCST)18 | 6–13 | 26 | 23 |
| Perceptual-motor skills | Beery Developmental Test of Visual-Motor Integration (VMI)19 | 4–13 | 47 | 28 |
| Visuospatial constructional ability/planning | Rey-Osterreith Complex Figure Test (CFT) copy16 | 6–13 | 26 | 23 |
| Fine-motor function | Purdue Pegboard20 | 5–13 | 29 | 27 |