The effect of transcranial direct current stimulation (tDCS) on cognitive function recovery in patients with depression following electroconvulsive therapy (ECT): protocol for a randomized controlled trial

Table 2 Schedule of enrolment, intervention, and assessments

	Enrolment	Baseline	Intervention	Follow-up
		Before tDCS	After tDCS	after 2 weeks	After 4 weeks
Time point		T0	T1	T2	T3
Enrolment
Eligibility screening	√
Informed consent	√
Allocation	√
Demographic data		√
Intervention
Active tDCS			√
Sham tDCS			√
Assessments
CANTAB
SRM		√	√	√	√
SWM		√	√	√	√
RVP		√	√	√	√
VRM		√	√	√	√
SOC		√	√	√	√
HAMD-24		√	√	√	√
SDS		√	√	√	√
tDCS-AEQ^a			√
Blinding			√

a: test after every tDCS session
CANTAB: Cambridge Neuropsychological Test Automated Battery, HAMD-24: Hamilton depression rating scale; RVP: Rapid visual information processing; SDS: Self-rating depression scale; SOC: Stockings of Cambridge; SRM: Spatial recognition memory; SWM: Spatial working memory; VRM: Verbal Recognition Memory; tDCS, transcranial direct current stimulation; tDCS-AEQ: Transcranial direct current stimulation adverse effects questionnaire

ISSN: 1471-244X