Table 1.
Description of cognitive tests
| Test or measure | Domain or function | Maximum scores |
|---|---|---|
| MMSE | Dementia severity/global cognitive screen | Total MMSE: 30 |
| Total orientation items: 10 | ||
| Digit Span Forward (WMS-R) | Attention | Longest sequence: 9 |
| Total correct trials: 14 | ||
| Digit Span Backward (WMS-R) | Attention; also working memory | Longest sequence: 8 |
| Total correct trials: 12 | ||
| Digit Symbol (WAIS-R) | Processing speed | Total no. items completed in 90 s: 99 |
| Part A, Trail Making Test | Processing speed | Total time: 150 s |
| Part B, Trail Making Test | Executive function | Total time: 300 s |
| Logical Memory, Story A (WMS-R) | Memory | |
| Immediate Recall | Total items recalled: 25 | |
| Delayed Recall | Total items recalled: 25 | |
| Animal List Generation | Language: verbal fluency | Total items in 1 min |
| Vegetable List Generation | Language: verbal fluency | Total items in 1 min |
| Boston Naming Test (30 odd items) | Language: naming | Total correct: 30 |
MMSE, Mini-Mental State Examination; WMS-R, Wechsler Memory Scale – Revised; WAIS-R, Wechsler Adult Intelligence Scale – Revised.