Table 2.

Patients with asymmetric slowing on MEG

Patient no.	Age	Gender	MEG slowing	EEG slowing	MEG spikes	Resection location	Pathology	Engel class
1	3	F	L hemisphere	bilateral	none seen	L occipital	MCD	4
2	3	F	L frontotemporal	L temporal	L frontotemporal	L multilobe	gliosis	1
3	3	M	L hemisphere	bilateral	L frontal	L frontal	gliosis	3
4	5	M	R hemisphere	R hemisphere	R parietotemporal	R hemispherectomy	MCD	1
5	5	M	R hemisphere	bilateral	R parietal	R parietal	MCD	1
6	6	M	L hemisphere	L hemisphere	L frontotemporal	L frontotemporal	MCD	1
7	10	M	R hemisphere	R hemisphere	R occipital	R occipital	MCD	1
8	10	M	L temporal	L hemisphere	none seen	L temporoparietal	MCD	1
9	10	M	L hemisphere	L hemisphere	L frontal	L frontal	MCD	1
10	10	M	L frontotemporal	L temporal	L temporal	L temporal	MTS	1
11	11	F	R temporal	R temporal	R temporal	R temporal	MTS	1
12	13	F	R hemisphere	R hemisphere	R frontal	R frontal	MCD	1
13	15	M	R parietal	none seen	R parietal	R parietal	gliosis	2
14	16	M	L hemisphere	L hemisphere	L insula	L insula	MCD	3
15	26	M	L temporal	L hemisphere	none seen	L temporal	gliosis	3
16	26	M	R hemisphere	none seen	L parietotemporal	L temporal	MTS	1
17	30	M	L temporal	none seen	L frontotemporal	L temporal	MTS	1
18*	33	M	R temporal	none seen	none seen	R temporal	gliosis	1
19	43	F	R temporal	none seen	R temporal	R temporal	MCD	3
20	49	F	L temporal	none seen**	L temporal	L insula	tumor	1
21	51	F	R hemisphere	none seen	R parietal	R parietal	ischemia	1

^*Patient shown in Figure 1.

^**Based on simultaneous MEG/EEG only; long-term EEG not done.

F: female; L: left; M: male; MCD: malformation of cortical development; MTS: mesial temporal sclerosis; R: right.