Anterior EEG Asymmetry and the Modifier Model of Autism

Autor/inn/en	Burnette, Courtney P.; Henderson, Heather A.; Inge, Anne Pradella; Zahka, Nicole E.; Schwartz, Caley B.; Mundy, Peter C.
Titel	Anterior EEG Asymmetry and the Modifier Model of Autism
Quelle	In: Journal of Autism and Developmental Disorders, 41 (2011) 8, S.1113-1124 (12 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0162-3257
DOI	10.1007/s10803-010-1138-0
Schlagwörter	Anxiety Disorders; Observation; Mental Retardation; Autism; Medicine; Emotional Development; Individual Differences; Social Development; Intelligence Quotient; Identification + Suchen Sie Ihr Suchwort? Beobachtung; Geistige Behinderung; Autismus; Medizin; Gefühlsbildung; Individueller Unterschied; Soziale Entwicklung; Intelligenzquotient; Identifikation; Identifizierung
Abstract	Individual differences in the expression of autism complicate research on the nature and treatment of this disorder. In the Modifier Model of Autism (Mundy et al. 2007), we proposed that individual differences in autism may result not only from syndrome specific causal processes, but also from variability in generic, non-syndrome specific "modifier processes" that affect the social and emotional development of all people. One study supporting this model found that measures of resting anterior EEG asymmetry, a measure reflecting complex brain processes associated with generic individual differences in approach and avoidance motivation, may help explain differences in the expression of autism in children without intellectual disabilities (Sutton et al. "2005"). In the current study, we partially replicated the observation that children with autism who exhibited a pattern of left frontal EEG asymmetry tended to display milder levels of social symptoms, although in the current sample this pattern applied only to HFA children with relatively lower verbal IQs. New observations indicated that left frontal EEG asymmetry was also associated with retrospective parent reports of significantly later age of onset of symptoms, but also higher levels of self-reported outward expressions of anger as well as symptoms of obsessive compulsive disorder in school-age higher functioning children with ASD. Therefore, the results of this study provide a new and fully independent set of observations, which indicate that individual differences in anterior EEG asymmetry may significantly moderate the expression and developmental course of autism. This observation may have clinical implications for identifying meaningful diagnostic sub-groups among children with autism. (Contains 3 tables and 4 figures.) (As Provided).
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Update	2017/4/10