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Autism - Term Papers

Autism

is one of the mental, emotional, and behavior disorders that
appears in early childhood. , or autistic disorder, almost always
develops within the first 3 years of a child's life. Children and adolescents
with cannot interact normally with other people. thus affects
many aspects of their development.
Children with and adolescents with autism typically: -have a difficult
time communicating with others -exhibit very repetitious behaviors (like
rocking back and forth, head banging, or touching or twirling objects); -have a
limited range of interests and activities; and -may became upset at a small
change in their environment or daily routine.

Although symptoms of autistic disorder ...

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disorders, and nearly 4,000 families across the country have two or more
children with autism. Three times as many boys as girls have autism.
Researchers are still unsure about what causes autism. Several studies
suggest that autistic disorder might be caused by a combination of biological
factors, including exposure to a virus before birth, a problem with the immune
system, or genetics.
Scientists also have identified chemicals in the brain and the immune
system that may be involved in autistic disorder. As a normal brain develops,
the level of serotonin, a chemical found in the brain, declines. In some
children with autistic disorder, however, the serotonin levels do not decline.
Now researchers are trying to determine whether this happens only to children
with autism and why, and whether other factors are ...

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Autism. (2007, June 12). Retrieved January 13, 2026, from http://www.essayworld.com/essays/Autism/66348

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"Autism." Essayworld.com. June 12, 2007. Accessed January 13, 2026. http://www.essayworld.com/essays/Autism/66348.

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PAPER DETAILS

Added: 6/12/2007 07:32:58 PM
Category: Health & Medicine
Type: Free Paper
Words: 311
Pages: 2

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