Table 3.

Firing behavior. of human HH neurons under different recording conditions.

Reference	HH tissue condition	Recording platform	Small HH neurons	Large HH neurons	Unknown HH neuron type
Wu et al. (16)	Acutely dissociated single cells	Patch clamp	10.5 ± 0.8 Hz	Not reported
Wu et al. (38)	Acutely dissociated single cells	Patch clamp	Range 7–14 Hz	Not reported
Wu et al. (19)	Acutely dissociated single cells	Patch clamp	9.9 ± 0.8 Hz	3.7 ± 0.4 Hz (“when firing”)
Kim et al. (17)	Perfused tissue slice	Patch clamp	6.6 ± 1.0 Hz	“Quiescent”
Steinmetz et al. (this report)	In situ intra-operative (before surgical resection)	Bundled microwire field recording			Mean 9.9 Hz
					First population peak 0.6 Hz
					Second population peak 15.0 Hz