Table 4.
Percentages of patients with altered neuropsychological functioning.
| Cognitive ability | Drug addicts (clinical group) | Non-drug | |
|---|---|---|---|
| Exposed | Non-exposed | ||
| % (N) | % (N) | % (N) | |
| ATTENTION | |||
| Tmt-A | 33.3 (5) | 6.7 (1) | – |
| Tmt-B | 73.3 (11) | 33.3 (5) | – |
| MEMORY | |||
| Digit span | 6.7 (1) | 6.7 (1) | 6.7 (1) |
| Immediate recall | 46.7 (7) | 33.3 (5) | 40.0 (6) |
| Delayed recall | 33.3 (5) | 20.0 (3) | 33.3 (5) |
| Interference 10s | 33.3 (5) | 20.0 (3) | 13.3 (2) |
| Interference 30s | 46.7 (7) | 20.0 (3) | 13.3 (2) |
| EXECUTIVE FUNCTIONS | |||
| Tmt-B | 73.3 (11) | 33.3 (5) | – |
| Cognitive estimation | 46.7 (7) | 33.3 (5) | – |
| Abstract reasoning | 33.3 (5) | 6.7 (1) | 20.0 (3) |
| Phonemic fluency | 26.7 (4) | 13.3 (2) | 33.3 (5) |
| Clock drawing | 46.7 (7) | 26.7 (4) | 26.7 (4) |
| Overlapping figures | 13.3 (2) | 6.7 (1) | 6.7 (1) |
| PERCEPTION | |||
| Spontaneous drawing | – | 6.7 (1) | 6.7 (1) |
| Copy drawing | 33.3 (5) | 26.7 (4) | 33.3 (5) |
| Praxis Ability | |||
| Ideomotory praxis | 6.7 (1) | – | 6.7 (1) |
| COMPREHENSION | |||
| Token test | 13.3 (2) | – | – |
| Global Index | 80.0 (12) | 20.0 (3) | 20.0 (3) |
| Number of impaired EF | |||
| 0–1 | 26.7 (4) | 66.7 (10) | 40.0 (6) |
| 2–5 | 73.3 (11) | 33.3 (5) | 60.0 (9) |
Global Index, index of the overall cognitive profile; Number of impaired EF, number of tasks assessing executive functions showing an impaired performance.