The major cause of autism is hereditary. They may be mild autism or severe autism. In mild autism, as the child grows he overcomes his disorders and soon he acts as normal. But for severe autism, it is a long-term illness and most

Another important condition that may cause "autism" is a form of a seizure disorder or Laundau Kleffner syndrome. This disorder, also known as acquired epileptiform aphasia, is a disorder in which seizures develop from the area responsible for speech (in the left hemisphere), "robbing" the child from acquiring language and is associated with an autistic regression."

"Identified causes for autism include several chromosomal abnormalities involving different "genetic sites." Fragile-x syndrome involves the x chromosome, Angelman's syndrome involves chromosome 15, and many other chromosomal abnormalities may present with "autism." Other disorders such as Touberouse sclerosis, a disorder causing skin and brain abnormalities and frequent severe epileptic seizures (chromosome 9 and 16) may present with "autism" also. Some "metabolic disorders" such as PKU (phenylketonuria), where a substance (phenylalanine) accumulates in th

Some common words found in the essay are:
Disorder PDD, Speech Social, Laundau Kleffner, grossmann 2000, , special care, autism hereditary, syndrome involves chromosome, identified causes autism, autistic child, syndrome involves, severe autism, simply ignore, cause autism, mild autism, involves chromosome,
Approximate Word count = 623
Approximate Pages = 2 (250 words per page double spaced)