Table 1. Demographic information for autism and control groups.

		Autism (n = 12)	Control (n = 13)	t value	P 1
Age (years)	Mean ± SD	13.08±2.39	11.46±2.63	0.99	0.33
Verbal IQ	Mean ± SD	111.42±15.58	116.00±10.68	0.86	0.40
Performance IQ	Mean ± SD	110.67±15.51	113.85±10.14	0.61	0.55
Full-scale IQ	Mean ± SD	112.08±15.19	116.62±10.28	0.88	0.39
Handedness	R∶L∶A; Mean ± SD	10:1:1 (.67±.65)	13:0 (.98±.06)	1.74	0.10
Gender	Male∶Female	9:3	11:2		0.65
ADOS Communication	Mean ± SD	3.83±.94	N/A
ADOS Social	Mean ± SD	7.25±1.22	N/A
ADOS Total Soc Comm	Mean ± SD	11.08±1.31	N/A

¹ p value for gender was computed using the Fisher exact statistic; other p values were computed from the two-sample t test.