Table 6

Cognitive clinical diagnostic measures

Cognitive
Rey Auditory Verbal Learning Task78 7915-item list learning task. Recall is tested over five trials, and delayed recall at 20 to 30 min, standardised for use in children 7 years and older.
WISC-V and WAIS-IV Digit Span and Coding80 81Used to assess working memory and information processing speed, respectively. Subtest versions from the Wechsler Intelligence Scale for Children, Fifth Edition (WISC-V) will be used for 8–16 years participants, and versions from the Wechsler Adult Intelligence Scale, Fourth Edition (WAIS-IV) will be used for 17–18 years participants.
Contingency Naming Test82Assesses aspects of executive function, including processing speed, reactive flexibility, and inhibitory attention. It contains four tasks of increasing complexity, with age norms for children 7 years and older.
Rey 15-Item Test83 84Provides an assessment of symptom validity or feigned memory impairment. The stimulus consist of a 3×5 matrix of meaningful symbols, which are to be drawn from memory following a 10s exposure. A recognition trial involves identifying the 15 stimuli out of 15 targets and 15 foils.