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Direct linkBaxter, Alisa C.; Lotspeich, Linda J.; Spiker, Donna; Martin, Jacquelin L.; Grether, Judith K.; Hallmayer, Joachim F. – Journal of Autism and Developmental Disorders, 2007
The etiology of autism is complex, consisting of unknown genetic and environmental factors. Previous studies have revealed that maternal age is increased in autism compared to controls, making it a possible risk factor. This study examined the effects of maternal age on autism severity using IQ as a measure of cognitive severity and selected…
Descriptors: Severity (of Disability), Etiology, Child Behavior, Check Lists
