Table 1.
Overview of the cognitive domains.
| Nonmemory domains | Memory domains | |||||
|---|---|---|---|---|---|---|
| Executive function | Attention | Praxis and visual function | Psychomotor speed and naming ability | List learning and memory recall | Logical memory | |
| Trail making test, part B | 63.2 ± 35.1 | |||||
| Tower of London test | 47.4 ± 26.4 | |||||
| NAI: Digit span | 60.4 ± 30.0 | |||||
| NAI: Figure test | 58.6 ± 22.5 | |||||
| Berlin Apraxia test | 37.5 ± 4.1 | |||||
| TAP: Value of phasic alertness | 49.7 ± 29.2 | |||||
| TAP: Go-Nogo, median RT | 48.9 ± 32.1 | |||||
| CERAD: Constructional praxis | 46.3 ± 33.8 | |||||
| CERAD: Constructional praxis delayed recall | 42.7 ± 36.6 | |||||
| VOSP: Object decision | 49.7 ± 29.1 | |||||
| CERAD: Verbal fluency | 44.1 ± 27.6 | |||||
| CERAD: Boston Naming Test | 55.5 ± 31.5 | |||||
| Trail-making test, part A | 56.9 ± 32.3 | |||||
| CERAD: Word-list memory | 36.4 ± 26.5 | |||||
| CERAD: Word-list recall | 41.6 ± 28.8 | |||||
| CERAD: Word-list recognition | 48.6 ± 33.4 | |||||
| CERAD: Word-list intrusion | 48.5 ± 31.6 | |||||
| WMS-R: Logical memory I | 31.8 ± 28.9 | |||||
| WMS-R: Logical memory II | 33.0 ± 27.9 | |||||
| Cronbachs alpha coefficient | 0.52 | −0.33 | 0.61 | 0.58 | 0.72 | 0.86 |
All values are given as mean percentile rank scores ± standard deviation, except for the Berlin Apraxia test for which raw values are presented. CERAD: Consortium for the Registry for Alzheimer's Disease, German version; WMS-R—Wechsler Memory Scale: revised; NAI—Nuernberger Alters Inventar; VOSP—Visual Object and Space Perception Battery; TAP—Testbatterie zur Aufmerksamkeitspruefung; RT—Reaction time.