Autism

Autism         Autism is one of the mental, emotional, and behavior inconveniences that come ons in early childhood. Autism, or autistic disorder, nearly always develops within the first 3 years of a childs life. Children and adolescents with autism screwingnot interact normally with new(prenominal) people. Autism then affects few(prenominal) aspects of their development.         Children with and adolescents with autism typically: - stool a difficult season communicating with others -exhibit very repetitious behaviors (like rocking seat and forth, head banging, or touching or twirling objects); - urinate a limited mark of interests and activities; and -may became scattered at a small change in their environs or daily routine.         Although symptoms of autistic disorder sometimes can be seen in early infancy, the condition can place after months of normal development. In most cases, it is not numeral to identify any sp ecific event that triggers autistic disorder. nearly 7 in every 10 children and adolescents with autistic disorder overly have mental retardation or other problems with their sensation function or structure.         Recent studies estimate that as many as 14 children out of 10,000 may have autism or a related condition. About 125,000 Americans be touch on by these disorders, and nearly 4,000 families across the country have cardinal or more children with autism. Three times as many boys as girls have autism.

        Researchers are still unsure serious about what causes autism. Several studies suggest that autistic disord! er might be caused by a combination of biological factors, including motion picture to a virus before birth, a problem with the tolerant system, or genetics.         Scientists also have set chemicals in the brain and the immune system that may be involved in autistic disorder. As a normal brain develops, the charter of serotonin, a chemical found in the brain, declines. In some children with autistic disorder, however, the serotonin levels do not decline. If you want to study a full essay, order it on our website: BestEssayCheap.com

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