Table 1.

Threshold currents in μA for the same electrode positions as in Fig. 3B

zel=in μm	14	25	35	50	71	100	141	200	Pulse
Dendrite xel=−300 μm	× × ×	× × ×	× 44 ×	56 50 62	80 75 90	135 130 150	260 230 210	520 460 310	– −/+ +/−
Soma xel=0	8,1	17	24	36	59	97	171	330	–
	6,4	15	23	38	62	110	200	400	−/+
	8,9	21	34	57	100	190	390	760	+/−
Distal AIS xel=70 μm	3,2 3,3 3,6	6,3 6,6 7,5	10 10,4 12,4	17 18 23	30 31 43	55 60 86	106 120 190	220 250 450	– −/+ +/−

Stimulation with monophasic cathodic and charge balanced triphasic (cathodic first and anodic first) pulses, 100 μs per phase. The triphasic pulses have a gap of 100 μs after the first pulse and show a threshold characteristic quite similar to biphasic 200 μs pulses of the same charge per phase.