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Autism is a behavioral syndrome usually presenting behavior abnormalities before the child is 30 months of age. These behavioral abnormalities include marked social deficits, specific language abnormalities and stereotyped, repetitive behaviors (Piven, 1990). Although the exact etiology of autism is not known it is now believed that it is a dysfunction of one or more unidentified brain systems and not the result of parental and environmental influences. Variations in symptomology and in prognosis among autistic persons depend on both the severity and the extent of the underlying brain dysfunction (Repin, 1991). Several studies have been conducted including neuroanatomic imaging, microscopic neuroanatomic observations and positron emission tomography in order to locate this dysfunction.
I. Introduction: Neurological disorders are complex in nature and often the least understood. Given the recent boom in imaging technology and other diagnostic methods, it is now possible to see more clearly into the scope of neurological development and accurately determine the etiology of these diseases. One of such disorders is Autism; a multifactorial condition impairing normal brain development. It affects many aspects of development, including social behavior, cognitive ability and communication skills1 and is commonly diagnosed in children before the age of three1.
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