Genetic And Statistical Manual Of Mental Disorders

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Autism is a cognitive disorder that occurs in the first three years of life and affects many children and adults today. It is a common behaviorally defined syndrome characterized by impairments in socialization, abnormalities of verbal and nonverbal communication, and restricted, stereotyped interests and behaviors. The Diagnostic and Statistical Manual of Mental Disorders (DSM) was recently edited to more clearly define the 3 main branches of the Autistic Spectrum Disorder (ASD). These branches include Asperger 's syndrome, pervasive developmental disorder, not otherwise specified (PDD-NOS), and Autistic disorder. The Autistic disorder is the most severe of the three and will be the focus of the spetrum. When executing an epidemiology of Autism, in the United States only it has been found that every one in 68 child have autism which has increased over the years (National Institute of Mental Health). In a study from the Journal of Autism and Developmental Disorders, it was found that risk of autism was increased for males, multiple births, and children born to black mothers and risk increased with increasing maternal age and level of maternal education. And risk was decreased for children whose mothers were born in Mexico and third-or later-born children. In their series it was also found that of the 3,551,306 million births investigated, 4,481 were children diagnosed with autism. Of these children, 36% were also identified with mental retardation (Croen, Grether,
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