Table 1 Means and standard deviations (SD) for the ASD and control groups

Age

14.25 (2.98)

14.35 (3.16)

Full scale IQ^a

110.79 (13.52)

106.96 (16.35)

Verbal IQ^a

110.16 (14.25)

105.71 (17.95)

Performance IQ^a

108.47 (12.09)

106.00 (15.40)

SRS^b

 Awareness

10.79 (2.27)

9.04 (2.91)

 Cognition

11.16 (2.27)*

16.21 (5.35)*

 Communication

17.63 (3.29)*

25.38 (6.92)*

 Mannerisms

2.32 (2.24)*

15.92 (5.30)*

 Social motivation

9.58 (2.92)*

13.38 (3.61)*

 Total score

51.47 (3.34)*

79.92 (18.46)*

Mean absolute head motion^c

0.045 (0.09)

0.058 (0.10)

ADOS calibrated severity score^d

-

8.25

Sex

17 males, 4 females

23 males, 1 female

Race

15 Caucasians, 6 African-Americans

22 Caucasians, 2 African-Americans