Table 1.

Patient and EEG data characteristics.

Patient no.	Epilepsy center	Sex	Age	Seizure onset zone	Electrode types	Bilateral implant.	Electrode contacts	Outcome	EEG total (h)	Number of seizures
1	Bonn	m	20	H	s, d	Yes	44	Ia	113.3	10
2	Bonn	m	55	H	s, d	Yes	60	Ia	232.2	6
3	Bonn	m	21	H	g, s, d	Yes	64	Ia	180.7	9
4	Bonn	f	31	H	g, s, d	Yes	54	Ia	140.5	8
5	Bonn	f	25	H	g, s, d	Yes	58	Ib	219.7	4
6	Bonn	f	48	H	g, s, d	Yes	74	Ia	280.0	6
7	Bonn	f	35	H	g, s, d	Yes	72	IIa	142.0	4
8	Bonn	f	31	NC	g, s, d	Yes	60	Ia	328.3	9
9	Bonn	m	57	NC	g, d	No	72	Ia	94.2	5
10	Bonn	f	36	H	g, s, d	Yes	70	IIa	169.2	6
11	Bonn	f	24	NC	g, s	No	42	Ia	94.7	6
12	Bonn	f	44	H	g, s, d	No	52	Ia	240.0	6
13	Freiburg	m	31	H	g, s, d	No	55	Ib	93.7	4
14	Freiburg	m	25	NC	g, s, d	Yes	90	Ia	74.7	5
15	Freiburg	m	43	H	d	Yes	28	Ia	93.4	4
16	Freiburg	m	50	H	g, s, d	No	65	Ib	250.3	13
17	Freiburg	f	37	H	d	Yes	28	IIb	261.5	7
18	Freiburg	m	21	NC + H	s, d	No	69	Ia	185.6	21
∅			35.2				58.7		177.4	7.4

Recordings were performed with strip (s), depth (d), and/or grid (g) electrodes (Spencer et al., 2007). Location of the seizure onset zone: hippocampal (H), neocortical (NC). Outcome according to a modified Engel classification (Engel and Rasmussen, 1993).