Table 1. List of the tasks used to elicit CBFv responses and their respective codes.

Task Label	Task
Memory
M1	Recalling three words (lemon, key, ball)
M2	Learning a name and address
M3	Recalling current and past UK prime ministers and US presidents
M4	Recalling the previously learned name and address
Visuospatial
V1	Drawing an infinity diagram and cube
V2	Drawing a clock and orientating the time correctly
V3	Counting dots
V4	Recognising obscured letters