Table 1.

Results of descriptive analysis of amplitude (µV) and latency (ms) of N1 and Late Positive Component (LPC) in 18-month-old 3M-O and HS-O subjects.

	Group	N1 Amplitude	N1 Latency	LPC Amplitude	LPC Latency
Frontal Left	3M-O	−17.34	66	33.32	191
	HS-O	−1.42	137	10.05	328
Frontal Right	3M-O	−25.37	125	13.40	230
	HS-O	−12.55	234	3.85	188
Central Left	3M-O	−11.17	141	24.02	180
	HS-O	−4.10	160	12.9	402
Central Right	3M-O	−7.97	164	9.75	282
	HS-O	−2.70	102	12.23	203
Temporal Left	3M-O	−6.80	140	24.4	188
	HS-O	−2.20	105	18.28	227
Temporal Right	3M-O	−4.52	148	14.83	2,93
	HS-O	−14.5	113	8.83	2,54
Cz	3M-O	−4.28	109	1.51	328
	HS-O	−11.80	129	1.20	262
Fz	3M-O	−6.97	164	2.57	254
	HS-O	−28.24	133	9.38	191
Pz	3M-O	−2.80	160	4.26	246
	HS-O	−1.34	113	22.06	156