Table 1. Demographic and Clinical Characteristics of the Participants.

	Control (n = 12, 4 female)		HFA (n = 12, 3 female)
	Mean	SD	Mean	SD
Age (y)	33.3	9.0	35.5	11.4
AQ scorea, sum	5.7	3.9	27.8	3.2
AQ scorea, subscale social interaction	1.87	1.4	9.3	2.1
AQ scorea, subscale fantasy	1.67	1.9	9.7	1.5
AQ scorea, subscale communication	2.3	1.1	8.8	1.1
Full scale IQb	110.8	14.4	111.3	13.4
Verbal scale IQc	112.6	12.1	114.3	11.4

^aMeasured with the Autism Quotient questionnaire [35].

^bMeasured with the Standard Progressive Matrices (Raven, 1960).

^cMeasured using a vocabulary test [33] that is comparable to the Adult North American Reading Test [34].