Table 2. Description of tasks and dependent variables of the neuropsychological test battery.
| Test | Dependent variables |
| Trail – Making Test [50] | TMT: Ratio of condition B and condition A |
| STROOP-Paradigm [51] | Stroop-I: Ratio of medians of Condition B1 and Condition A1 |
| Stroop-C: Ratio of medians of Condition C1 and Condition A | |
| Stroop-E: Total errors of Condition B and C | |
| Regensburg Word Fluency Test 2 [52] | Number of words starting with letter “K” (RWT-K) |
| Number of words starting with letter “G” and “R” in alteration (RWT-G/R) | |
| Number of animals (RWT-A) | |
| Number of sports and fruits in alteration (RWT-S/F) | |
| Tower of London 3 [53] | ToL-E: Number of rule breakings |
| ToL-M: Ratio of number of moves and number of correct trials | |
| Verbal Learning and Memory Test (VLMT) [54]/California Verbal Learning Test-Short Form (CVLT) [55] | VM1: Trial 1 |
| VM2: Trial 5 (VLMT)/trial 4 (CVLT) | |
| VM3: Total of Trial 1-5 (VLMT)/total of trial 1-4 (CVLT) | |
| VMIR: Immediate recall - percentage of remembered items after interference trial (both tests merged) | |
| VMDR: Delayed recall - percentage of remembered items after long delay (both tests merged) | |
| VMR: Recognition - percentage of correctly recognized words of all affirmative words (both tests merged) | |
| Wechsler Memory Scale – Revised [56] | DSF: Digit span forward2 |
| DSB: Digit span backward2 | |
| VPA-I: Visual paired associates I3 | |
| VPA-II-%: Visual paired associates II 3: recognition paradigm - percentage of correct recognized items | |
| Bogenhausen Semantic Test (BOSU) [57] | BOSU-P: Sorting objects according to semantic features |
| BOSU-N: Naming of all items | |
| Rey Complex Figure Test (RCFT) [58] | RCFT: Copy trial |
| Frontal System Behaviour Scale (FrSBe) 4 [59] | FrSBe-A: Apathy |
| FrSBe-D: Disinhibition | |
| FrSBe-E: Executive Dysfunction |
1
Condition A: response to grey printed colour words; Condition B (inhibition): response to colour words with conflict of content and ink; Condition C (congruence): decision on conflict or not of word content and ink.
2
spoken/written; 1 minute generation time; use of indices.
3
computerised version.
4
Current ratings by the patients themselves (S) and by a family member (F).