Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Performance on specific cognitive tests
| Test | % ≥ 1 × S.D. | % ≥ 2 × S.D. |
|---|---|---|
| below the mean | ||
| Logical memory, immediate, (n = 101) | 25.7* | 5.9* |
| Logical memory, delayed, (n = 100) | 26.0* | 6.0* |
| Letter fluency (n = 100) | 46.0* | 18.0* |
| Digit span (n = 100) | 18.0 | 2.0 |
p < 0.05 from expected proportion of participants scoring ≥ 1 × (16.7%) or ≥ 2 × (2.5%) S.D. below their demographic mean
