Table 3.

Principal Component Analysis (PCA) of IC pyramidal neurons intrinsic properties.

		CONTRIBUTION			CORRELATION
Misure (pA)	Injected current (pA)	PCI	PC2	PC3	PCI	PC2	PC3
Voltage changes per current step (ΔVm)	−400	6.04	2.96	0.46	0.9357	0.2814
	−350	6.08	3.11	0.37	0.9386	0.2883
	−300	6.12	3.00	0.47	0.9418	0.2832
	−250	6.11	3.25	0.36	0.941	0.2948
	−200	6.14	3.35	0.27	0.9435	0.2991
	−150	6.12	3.43	0.29	0.9423	0.3026
	−100	6.06	3.71	0.22	0.937	0.3149
	−50	5.81	4.78	0.02	0.918	0.3576
	0	0.12	2.17	46.15		−0.2409	0.7354
	50	4.93	3.50	0.18	−0.8459	−0.3059	−0.4256
	100	2.18	7.46	5.40	−0.5617	−0.4465	0.2516
Number of APs per current step	0	0.00	0.00	0.00
	50	3.18	1.72	15.45	−0.6795
	100	5.17	1.30	4.98	−0.866		−0.2416
	150	5.64	3.34	0.59	−0.9041	0.2988
	200	5.84	3.77	0.10	−0.9204	0.3175
	250	5.02	5.53	1.22	−0.8534	0.3844
	300	5.39	6.00	0.61	−0.884	0.4006
	350	4.28	8.47	2.35	−0.7882	0.4757
	400	2.46	13.04	7.30	−0.5969	0.5904	0.2924
Cm		1.25	0.11	9.13	0.4265		−0.3271
RH		4.43	2.81	2.59	0.8016	−0.2739
Vr		1.62	13.19	1.50	−0.4847	0.5937