Table 3.

Cognitive tests used in the MedEx-UK trial

Task	Time (mins)	Extended NTB subdomain
Part 1 Total 45–50 (including instruction time)
Verbal Paired Associates	9–12	Memory
Visual Paired Associates	6	Memory
COWAT	3	Executive function
CFT	1	Executive function
Digit Symbol Substitution	2	Processing speed
TMT A & B	5	Executive function
Verbal Paired Associates, delayed recall*	5–8	Memory
Visual Paired Associates, delayed recall	6	Memory
Break
Part 2 Total 45–50 (including instruction time)
RAVLT	10–15	Memory
Hayling Sentence Completion	5–10	Executive function, response inhibition
Digit Span	3–5	Executive function
Supermarket Trolley Task	10	Spatial navigation
RAVLT - delayed recall	3	Memory
Sea Hero Quest	10–15	Spatial navigation

CFT, Category Fluency Test; COWAT, Controlled Oral Word Association Test; NTB, neuropsychological test battery; RVLT, Rey Auditory Verbal Learning Test; TMT, Trail Making Test.