Table 1.

Variable overview

	Study visit	1	2	3	4	5
	Time point test	<7 d of first ECT	1– 2 h before first ECT	1– 2 h after first ECT	7 – 14 d after last ECT	6 mo after ECT-series
	Informed consent	X
Diagnostic interview	MINI plus	X
Clinical assessment	Clinical examination	X
	Illness history, previous episodes and ECT-treatment	X
	Current and concomitant medication	X			X	X
Symptom severity	MADRS	X			X	X
	CGI	X			X	X
Relapse	Interview					X
Overall cognitive function	MMS	X			X	X
Neuropsychological assessment	WASI	X				X
	CVLT-II, Rey, Digit span from WASI-R, WCST, D-kefs: Color-Word interference test, Word fluency, Tower, TMT, CPT, Digit symbol WAIS-R, Pegboard	X			X	X
Autobiographical memory	AMI-SF	X			X	X
Everyday memory	EMQ	X			X	X
Cognitive control	Dichotic listening	X			X	X
Blood samples	Full blood, EDTA and PAX-gen for biobank		X1)	X1)	X1)	X2)
Radiology	MRI caput; T1 FSPGR, T2 CUBE FLAIR, RSI, SWI, MRS, MEGAPRESS		X	X	X	X

¹⁾Before MRI.

²⁾Before and after MRI.