TABLE 3.
Psychometric Performance
| Evaluation | Normsa | Patient |
|---|---|---|
| Verbal fluency (No. animals named in 60s) | 18 | 3 |
| Boston naming test (confrontation naming) | 15 | 4 |
| Word list recall | 7 | 4 |
| Logical memory (episodic memory) | 9 | 4 |
| Trailma king A (speeded psychomotor performance) | 42 s | 110 s |
| Digit symbol (speeded psychomotor performance) | 45 | 22 |
a
Based on the performance of 83 healthy control participants age 64–83 years (mean age ± standard deviation = 72 ± 5 years) in Washington University’s Alzheimer’s Disease Research Center(59). Values are expressed as means ± standard deviations. For all but Trailmaking A, where an increase indicates worsening performance, a lower score indicates poorer performance.