Table 1.
Subject characteristics [mean (SD)].
| Dependent variable | High | Average |
|---|---|---|
| Number of subjects | 12 | 13 |
| Gender (male: female) | 5:7 | 7:6 |
| Age | 22.6 (1.7) | 22.6 (2.7) |
| Years of education | 15.9 (1.7) | 14.4 (1.1)** |
| Executive functiona | 80.3 (8.4) | 54.0 (11.5)*** |
| Non-executive functionb | 73.6 (8.1) | 66.3 (17.9) |
| AMNART | 119.1 (4.8) | 114.3 (7.7)* |
*
p < 0.1
**
p < 0.05
***
p < 0.01.
a
Average percentile performance on the following tests: Digit Span Backward, Controlled Oral Word Association Test, Letter-Number Sequencing, Digit-Symbol Coding, and Trail-Making Test Parts A and B.
b
Average percentile performance on the following tests: Matrix reasoning, Boston Naming test, Token test, Logical Memory II, and Visual Form Discrimination.