. Author manuscript; available in PMC: 2009 Aug 1.

Published in final edited form as: Clin Neurophysiol. 2008 Jun 16;119(8):1720–1731. doi: 10.1016/j.clinph.2008.01.108

Table 1.

Means and standard deviations (SD) for individual pitch-tracking measures for TD, ASD IN and ASD OUT groups. Note that the means of the TD and ASD IN group were similar, while the ASD OUT group (as determined by the Composite Score) had pervasive deficits.

	TD (n=21)		ASD IN (n=16)		ASD OUT (n=5)
	Mean	SD	Mean	SD	Mean	SD
f₀ Frequency Error (Hz)	8.52	2.201	9.16	2.216	14.10	1.998
f₀ Slope Error (Hz/sec)	35	20.2	35	23.9	120	45.6
f₀ Pitch Strength (r-value)	0.40	0.198	0.32	0.154	0.23	0.169
H2 Frequency Error (Hz)	13.43	2.071	14.19	1.893	17.86	1.534
H2 Slope Error (Hz/sec)	66	48.0	56	28.0	64	23.0