Table 2.
Neuropsychological Testing
| Test Description | Day 21 | Day 56 |
|---|---|---|
| General Intelligence | ||
| WASI Full-4 IQ* | 66 | |
| WASI Verbal IQ* | 50 | |
| WASI Performance IQ* | 73 | |
| Working Memory and Learning | ||
| WMS-III Digit Span* | 99 | 99 |
| WMS-III Spatial Span* | 98 | 98 |
| HVLT-R Immediate Recall* | 55 | 63 |
| WMS-III Logical Memory I* | 16 | 37 |
| BVMT-R Immediate Recall* | 18 | 50 |
| Delayed Episodic Memory | ||
| HVLT-R Delayed Recall* | < 1*** | 63 |
| WMS-III Logical Memory II* | < 1*** | 16 |
| BVMT-R Delayed Recall* | 84 | 84 |
| Executive Function | ||
| Trail Making Test | ||
| Part A** | 24 | 86 |
| Part B** | 50 | 98 |
| Victoria Stroop Test, Interference* | 75 | 98 |
| Letter Fluency** | 39 | 19 |
*
Test scores expressed as age-adjusted percentiles
**
Test scores expressed as age- and education-adjusted percentiles
***
Impairment, defined as ≥2 standard deviations below average
Abbreviations: WASI, Wechsler Abbreviated Scale of Intelligence; HVLT-R, Hopkins Verbal Learning Test–Revised; WMS-III, Wechsler Memory Scale, 3rd Edition; BVMT-R, Brief Visuospatial Memory Test–Revised