Table 4.
Cognitive Domain | Participants with Normal Functioning a n (%) |
Participants with Dysfunction b n (%) |
Participants with Impairment c n (%) |
---|---|---|---|
Verbal memory | 44 (69.8) | 13 (20.0) | 6 (9.5) |
Visual memory | 38 (60.3) | 21 (33.3) | 4 (6.4) |
Working memory | 53 (84.1) | 10 (15.9) | 0 |
Processing speed | 40 (63.5) | 19 (30.2) | 4 (6.4) |
Executive functions | 24 (38.1) | 9 (14.3) | 30 (47.6) |
Language | 57 (90.5) | 4 (6.4) | 2 (3.2) |
a Normal functioning in each cognitive domain was considered when all scores were within the normal range (≥1 standard deviation (SD) below mean). b Dysfunction in each cognitive domain was considered when one or more scores were below the normal range (<1 SD) but the criteria for cognitive impairment were not fulfilled. c Cognitive impairment in each cognitive domain was considered according to the following criteria: 1 score < 2 SD, for working memory and language; at least 2 scores < 1.5 SD or 1 score < 2 SD, for verbal and visual memories; at least 3 scores < 1 SD or 2 scores < 1.5 SD, for processing speed and executive functions.