Table 1.

Starting times for the experimental procedures.

	Procedure	Start time	ASL scan time	End time
Participant 1	Pre-stimulation MRI	5:00 p.m.	6:10 p.m.	6:15 p.m.
	Transcranial DC stimulation	6:30 p.m.	n/a	7:00 p.m.
	Post-stimulation MRI	7:30 p.m.	8:40 p.m.	8:45 p.m.
Participant 2	Pre-stimulation MRI	6:15 p.m.	7:25 p.m.	7:30 p.m.
	Transcranial DC stimulation	7:45 p.m.	n/a	8:15 p.m.
	Post-stimulation MRI	8:45 p.m.	9:55 p.m.	10:00 p.m.

Participants completed the three sessions in groups of two with staggered start times.