Cognitive function | Test name | Test description | Test score |
---|---|---|---|
Working memory | WISC-IV Digit span forward and backward | Repeat numbers verbatim or in reverse order as stated by the administrator | Sum score 0–32 Higher score implies better working memory |
Processing speed | D-KEFS CWIT Conditions 1 and 2 | Name the colours of different bars (Condition 1) and read written colour names aloud in that colour (Condition 2). | Response time (s) on each condition Mean of results from the two conditions Higher score implies slower processing speed |
Cognitive inhibition | D-KEFS CWIT Condition 3 | Read aloud the colour of the names of colours printed in a different colour | Response time (s) Higher score implies more difficulties with the task |
Number of errors Higher score implies more errors | |||
Cognitive flexibility | D-KEFS CWIT Condition 4 | Switch between reading colour words and naming dissonant ink colours | Response time (s) Higher score implies more difficulties with the task |
Verbal learning | HVLT-R Total recall | The administrator reads 12 words aloud. The examinee repeats as many words as possible in three trials | Sum score of words remembered in all three trials together (0–36) Higher score implies better learning |
Verbal delayed memory | HVLT-R Delayed recall | Examinee recalls words after a 20 min delay | Number of words remembered (0–12) Higher score implies better delayed memory |
Everyday executive function | BRIEF Global executive composite | Parents score 86 statements regarding the daily executive functioning of their child | Score gives an overall measure of executive function Higher score implies higher degree of impairment |
BRIEF, Behaviour Rating Inventory of Executive Function; D-KEFS CWIT, Delis–Kaplan Executive Function System Color Word Interference Test; HVLT-R, Hopkins Verbal Learning Test-Revised; WISC-IV, Wechsler Intelligence Scale for Children, 4th ed.