Table 2.

Amplitude of AEPs in children with RTT and their TD peers (mean ± SD).

	Tone, µV		Phoneme, µV
	TD	RTT	TD	RTT
P1: 60–90 ms	2.03 ± 2.53	1.73 ± 2.57	3.70 ± 2.73	1.76 ± 2.77
N1: 100–130 ms	1.02 ± 2.71	−0.40 ± 2.24	3.22 ± 3.09	1.37 ± 3.01
P2: 135–165 ms	3.20 ± 1.73	−0.72 ± 1.50	2.94 ± 2.03	0.29 ± 1.92
N2: 245–275 ms	−3.30 ± 2.41	−0.62 ± 2.43	−2.87 ± 1.83	−1.14 ± 1.72