Table 1.

Characteristics of patients and electrodes

			nHFO		pHFO
Patient	Sex/Age	Task	Electrode location	Cortex class	Electrode location	Cortex class
1	F/25	Motor	Motor cortex	Normal	Frontal cortex	SOZ
			Motor cortex	Normal
			Motor cortex	Normal
2	F/22	Visual	Occipital cortex	Normal	Hippocampus	SOZ
3	M/44	Visual	Hippocampus	Normal	Parahippocampal	SOZ
					Parahippocampal	SOZ
4	F/21	Visual	Hippocampus	SOZ	Parahippocampal	SOZ
			Parahippocampal	Seizure prop
5	M/45	Motor	Motor cortex	Seizure prop	Temporal cortex	SOZ
			Motor cortex	Seizure prop	Temporal cortex	SOZ
			Motor cortex	Normal

nHFO, physiological high-frequency oscillation; pHFO, pathological high-frequency oscillation; F, female; M, male; SOZ, seizure onset zone; Seizure prop, electrode involved in early propagation from SOZ.