Table 4.

Physiological parameters of n = 95 neurons grouped according to the morphological cluster analysis^a

	A, red (n = 10)	B, black (n = 11)	C, gray (n = 16)	D, green (n = 24)	E, yellow (n = 8)	F, blue (n = 14)	G, orange (n = 12)
Early AHP	−2.16 ± 0.71	−0.23 ± 0.29	0.78 ± 0.63	0.52 ± 0.60	−0.12 ± 0.41	0.44 ± 0.50	−0.51 ± 0.35
Late AHP	−0.04 ± 1.38	0.15 ± 0.70	−0.20 ± 0.97	0.22 ± 0.85	−1.17 ± 0.92	0.61 ± 0.53	−0.21 ± 1.19
Intermediate AHP	0.47 ± 0.79	0.73 ± 1.12	0.70 ± 0.98	−0.14 ± 0.98	−0.47 ± 0.57	−0.58 ± 0.69	−0.73 ± 0.51
AP half-width (ms)	1.12 ± 0.25	0.49 ± 0.09	0.60 ± 0.15	0.51 ± 0.10	0.54 ± 0.09	0.45 ± 0.11	0.47 ± 0.08
Time constant (ms)	37.1 ± 8.7	11.1 ± 4.8	19.7 ± 10.5	15.3 ± 12.2	40.7 ± 20.1	13.4 ± 6.7	21.4 ± 20.5
Input resistance (GΩ)	2.34 ± 1.02	0.3 ± 0.21	0.71 ± 0.45	0.42 ± 0.20	0.65 ± 0.31	0.37 ± 0.20	0.33 ± 0.20
AP speed ratio	1.80 ± 0.81	3.24 ± 0.71	2.43 ± 0.45	2.02 ± 0.38	1.92 ± 0.25	1.81 ± 0.25	1.60 ± 0.23
CV of the ISI distribution	0 ± 0.0	1.22 ± 0.49	0.21 ± 0.22	0.30 ± 0.32	0.17 ± 0.10	0.13 ± 0.07	0.47 ± 0.33
AP amplitude (mV)	40.0 ± 20.4	54.1 ± 8.2	46.3 ± 14.7	48.1 ± 14.9	68.3 ± 11.6	54.4 ± 14.5	67.7 ± 8.9

^aFor morphological parameter definitions, see Table 3. A–G indicate clusters as defined by morphological cluster analysis in Figure 1A. ISI, Interspike interval.