Table 4.

Overview of neuropsychological tests

Test	Ability measured	Outcome measure
National Adult Reading Testa (Nelson and Wilson 1991; Crawford et al. 1989)	Premorbid intelligence	Total correct responses
Rey Auditory Verbal Learning Testb (Schmidt 1996)	Verbal learning, recall, and retention	Supraspan (trial 1), total correct trials 1-5, delayed recall (trial 7)
Grooved Pegboard (Lezak 2012; Lafayette 1998)	Manual fine motor speed	Completion time, total number pegs placed with dominant and nondominant hand
Letter–number sequencing (Wechsler 1997)	Working memory capacity	Total correct responses
Double letter cancellation task (Lezak 2012)	Processing speed, attention	Completion time, total number of correct responses
Stroop Colour and Word Test (Golden 1978)	Cognitive flexibility, executive function	Total correct for word-reading, colour naming, and colour-word reading task (45 s for each tasks)
Controlled Oral Word Association Testc (Benton et al. 1994; Shao et al. 2014)	Language, executive function	Total number of correct words produced within the given letter triad (1 min for each letter)

^aBaseline (T1) only

^bAlternate versions were used at each time point

^cTwo parallel sets of letters were used (C–F–L at T1 and T3, P–R–W at T2)