Table 1. Demographic, clinical and data collection information.

Pt#	Age	Gender	Handed-ness	Seizure focus	No. of grid electrodes	No. of Laplacian electrodes
1	45	F	R	L medial temporal	64	36
2	59	F	L	R inferior lateral parietal	62	32
3	58	F	R	L frontal	56	25
4	36	M	L	L medial temporal	48	24
5	19	M	R	R lateral temporal	64	36