Table 3.
Neuropsychological Test Results
| Test | Mean t-score pre-treatment | Mean t-score post-treatment | t | df | p |
|---|---|---|---|---|---|
| California Verbal Learning Test II | |||||
| Trial 1 | 46.3 | 45.3 | 0.28 | 11 | 0.782 |
| Trial 5 | 50.8 | 54.5 | 2.46 | 11 | 0.032* |
| Trials 1–5 | 48.6 | 51.3 | 1.77 | 11 | 0.105 |
| Short delay | 52.6 | 57.1 | 2.26 | 11 | 0.045* |
| Long delay | 51.4 | 55.2 | 2.35 | 11 | 0.039* |
| Wechsler Adult Intelligence Scale IV | |||||
| Digit span | 51.8 | 55.4 | 1.269 | 11 | 0.231 |
| Letter-number sequence | 49.9 | 54.9 | 2.052 | 11 | 0.065 |
| Symbol search | 48.4 | 53.9 | 2.367 | 11 | 0.037* |
| Coding | 45.6 | 50.9 | 2.68 | 11 | 0.021* |
| Arithmetic | 48.7 | 49 | 0.272 | 11 | 0.791 |
| Working memory | 50.1 | 52.3 | 1.178 | 11 | 0.264 |
| Processing speed | 46.8 | 52.7 | 3.188 | 11 | 0.009* |
| Trail Making Test B | 42.9 | 47.1 | 0.968 | 11 | 0.354 |
| Digit vigilance | |||||
| Speed | 45.9 | 48.5 | 0.773 | 11 | 0.456 |
| Accuracy | 42.3 | 47.1 | 1.137 | 11 | 0.280 |
Working Memory Index derived from Arithmetic and Digit Span subtests. Processing Speed Index derived from Symbol Search and Coding subtests. n = 12 for all tests.
*
Significant improvement in pre-raw/post-raw scores (p < 0.05).