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Table 2 Neuropsychological Domains and Tests Evaluated in the Study

From: Cognitive performance in children and adolescents at high-risk for obsessive-compulsive disorder

Domain Definition Subtest variables
Intelligence
General intelligence (IQ)
Wechsler abbreviated scale of intelligence (WASI) [44, 45]
Block Design; Matrix; Vocabulary; and Similarities.
Attention
Endogenous processing of selecting relevant stimuli (concentrating) in the environment (e.g., objects)a
Rey auditory verbal learning test (RAVLT) [46]
Span A; Span B
Trail making test (TMT) – Delis-Kaplan executive function scale (D-KEFS) [47]
1st condition omissions; and 4th condition sequence errors
Design fluency test (DFT) – D-KEFS [47]
DFT 1 and 2 - % errors
Wisconsin card sorting test (WCST) [48]
WCST failures to maintain set.
Go/NoGo [49]
Go/NoGo omissions.
Motor and processing speed
Ability to quickly process information and execute it (fine motor skills)
Color-word interference test (CWIT) - D-KEFS [47]
Color naming time (CWIT 1); and word reading time (CWIT 2)
Grooved pegboard test [50]
Dominant hand time; and non-dominant hand time
TMT – D-KEFS [47]
5th condition time
Visuoconstructive abilities
Coordination of fine motor skills with spatial abilities
Block Design test - WASI [44, 45]
Rey-Osterrieth complex figure (ROCF) [51]
Copy total score
Visuospatial memory
Memory for visual and spatial information
Corsi block-tapping test (CBTT) - Wechsler Memory Scale (WMS-R) [52]
Forward hits
ROCF [51]
Immediate recall; and Delayed recall
Verbal memory
Memory for verbal information
Digit span test (DST) - Wechsler Intelligence Scale for Children (WISC-III) [53]
Forward hits
Rey auditory verbal learning test (RAVLT) [46]
Immediate recall; and delayed recall
Working memory
Ability to retain information and perform mental operations from them
DST – WISC-III [53]
Backward hits
CBTT – WMS-R [52]
Backward hits
Cognitive flexibility
Ability to change the perspectives, thinking of new possibilities for solving a problem
WCST [48]
Perseverative errors; and categories
DFT – D-KEFS [47]
DFT 3 - % perseverative responses
Brixton [54]
Brixton hits
TMT – D-KEFS [47]
4th - 5th condition time difference
Inhibitory control
Ability to resist an inclination to perform an action and, opting for a more convenient one
Go/NoGo – commission errors
CWIT – D-KEFS [47]
CWIT 3 errors; CWIT 4 errors; and CWIT 3-1 time difference
  1. a Attention is not a unitary system – it refers to several different capacities of how the organism comes receptive to stimuli and the ability to maintain concentration focused on stimuli over time (sustained attention). WASI – Wechsler abbreviated scale of intelligence; TMT – Trail making test; D-KEFS – Delis-Kaplan executive function scale, DTF – Design fluency test; WCST – Wisconsin card sorting test; CWIT – Color-word interference test; CBTT – Corsi block-tapping test; WMS – Wechsler Memory Scale; ROCF – Rey-Osterrieth complex figure; DST – Digit span test; WISC III – Wechsler Intelligence Scale for Children 3rd edition; RAVLT – Rey auditory verbal learning test