Event-related potential (ERP) correlates of face processing in verbal children with autism spectrum disorders (ASD) and their first-degree relatives: a family study

Table 2 Sample description

	Autism spectrum disorders, ASD	Unaffected siblings, US	Unaffected controls, UC	Unaffected fathers, UF
n	49	36	53	18
Age, years	15.2 ± 2.7	15.5 ± 2.5	15.5 ± 2.0	44.1 ± 7.1
SRS	90 ± 31	23 ± 18	21 ± 17	29 ± 14
Caucasian	92%	89%	76%	94%
Right-handed	78%	83%	86%	83%
Multiplex family	35%	6%	0%	100%
Medication free	27%	58%	83%	No data
Task performance	69–100	78–100	75–100	84–100
Task performance	95 ± 7	96 ± 6	96 ± 6	98 ± 4

Note: SRS scores were unavailable for eight UF subjects. The family history of ASD was examined and multiplex family status was designated if there was more than one ASD child in the family, in all other case the family was considered simplex (e.g., including families in which the ASD-affected child was the only child in the family)

ISSN: 2040-2392