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| Cognitive processes | Tests | Variables |
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| Neuropsychological assessment |
| Intelligence | Wechsler Adult Intelligence Scale third edition (WAIS-III) [43] | Global intelligence |
| Verbal episodic memory | The California verbal learning test-II (CVLT-II) [44] | Immediate recall, delayed recall, and recognition |
| Visual episodic memory | Rey complex figure test (RCFT) [45] | Immediate recall, delayed recall, and recognition |
| Sustained attention | Continuous performance test-II (CPT-II) [46] | Hit reaction time block change (change in performance over time)
Hit standard error block change (accuracy) |
Selective attention
Inhibitory processes | CPT-II
Inhibition score of the Stroop test from the Delis-Kaplan Executive Function System (D-KEFS) [47] | Omissions, commissions, and detectability |
| Working memory | Span [48] | Total spatial span forward and backward and total digit span forward and backward |
| Problem solving | Wisconsin card sorting test-128 cards (WCST: CV4) [49] | Trials to complete the first category and failure to maintain set |
| Initiation/strategic search | Verbal fluency test (French-Canadian version) | Semantic (i.e., animals) and phonemic (i.e., words starting with the letter “f”) categories |
| Planning | Tower of London (TOLDX) [50] | Number of problems solved in minimum moves, rule violation, and time violation |
|
| Clinical assessment |
| Psychiatric symptoms | Positive and Negative Syndrome Scale (PANSS) [51] | This instrument includes 30 items rated on a scale from 1 (absent) to 7 (extreme) |
| Social and occupational functioning | Global assessment of functioning (GAF) [52] | This instrument measures on a scale from 1 to 100, higher scores reflecting better functioning. It is divided into ranges of 10 points (i.e., 1–10, 11–20, etc., up to 91–100) |
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