. Author manuscript; available in PMC: 2015 Feb 1.

Published in final edited form as: Eur Child Adolesc Psychiatry. 2013 May 29;23(2):69–79. doi: 10.1007/s00787-013-0428-4

Table 2. Group comparisons on amplitude of RT-ISV fluctuations in frequency bands defined a priori.

	TDC (n = 36)		ADHD (n = 46)		ASD (n = 46)		Group comparisons ANCOVA_age

	Mean	SD	Mean	SD	Mean	SD	F_(2,124)	p	η²
Slow-2 (0.20–0.345 Hz)	25,580	12,370	36,454	19,578	32,422	16,626	4.5	0.013	0.07
Slow-3 (0.083–0.20 Hz)	71,916	39,883	88,148	42,878	75,485	43,604	1.8	0.171	0.03
Slow-4 (0.023–0.071 Hz)	167,428	118,872	178,556	107,653	128,483	83,398	3.0	0.055	0.05
Slow-5 (0.010–0.027 Hz)	189,150	160,386	178,189	116,233	176,678	184,673	0.1	0.914	0.001

Amplitudes (ms/Hz2) of each frequency band measured with the Continuous Morlet Wavelet Transform for the SART. ADHD attention deficit/hyperactivity disorder, ASD autism spectrum disorders, TDC typically developing children