The First Three Years Of Life Essay

2014 Words Mar 17th, 2005 9 Pages
Autism is a complex developmental disability that typically appears during the first three years of life. This is the result of a neurological disorder that affects the functioning of the brain.
Autism is four more times prevalent in boys than girls. Autism shows no racial, ethnic or social boundaries. Family income, lifestyle and educational levels do not affect the chance of autism's occurrence. Autism and its associated behaviors have been estimated to occur in as many and one in 500 individuals. In this essay, I will discuss the signs and symptoms of autism, types of autism, the diagnosis of autism and studies done on autism.
Autism affects the normal development of the brain in the areas of social interaction and communication
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Individuals who fall under the PDD category exhibit commonalities in communication and social deficits, but differ in severity. The five different diagnoses are: Autistic Disorder, Asperger's Disorder, Persuasive Developmental Disorder, Rett's Disorder and Childhood Disintegrative Disorder.
Autistic Disorder includes impairments in social interaction, communication and imaginative play prior to age three. An autistic child will also have stereotyped behaviors, interests and activities.
Asperger's Disorder is characterized by social impairments in social interactions and the presence of restricted interests and activities with no clinically significant general delay in language, and testing in a range of average intelligence.
A Persuasive Developmental Disorder-Not otherwise specified (commonly referred to as atypical autism) a diagnosis may be made when a child does not meet the criteria for a specific diagnosis, but there is a severe and persuasive impairment in specified behaviors.
Rett's Disorder is a progressive disorder, which has occurred only in girls. It includes a period of normal development and then a loss of previously acquired skills, loss of purposeful use of the hands replaced with repetitive hand movements beginning at the ages of one to four years.
Childhood Disintegrative Disorder is characterized by normal development for at least the first two years, showing significant loss of previously acquired skills.

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