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Autism Linked To Abnormal Brain Waves And Seizure Medication

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2008-12-03 01:53

Autism is a brain development disorder that usually begins during infancy and childhood, before the age of three. There are a wide spectrum of autistic behaviors and symptoms but most are characterized by abnormal social interaction and communication. A new study, reported at the Radiological Society of North America meeting in Chicago, shows that unique brain wave patterns are present in autistic children and they show a delay in processing individual sounds.

Researchers at Children’s Hospital of Philadelphia studied 64 autistic children between ages 6 to 15. They had the children listen to rapid beeps through headphones and measured the brain’s response to the sounds using a non-invasive technology called magnetoencephalography (MEG). They compared the brain waves of the autistic children to non-autistic children and found that the response to each sound was delayed in the autistic children.

Dr. Timothy Roberts, the study’s lead author said, “We tend to speak at four syllables per second. If an autistic brain is slow in processing a change in a syllable…it could easily get to the point of being overloaded.” The delay may be for only a fraction of a second, but the effect can compound and lead to difficulty in speaking and understanding speech of other people. Read: Autism Causes Parents To Have Fear And Confusion.

One-third to ½ of kids with autism do not develop speech at all and these verbal deficits appear early in life. These children have delayed babbling as infants and lack of verbal response. As they grow older, they do not form consonants, words and word combinations. Autistic children have trouble linking words to their meanings. According to the Centers for Disease Control, about 40% of children with Autism Spectrum Disorders (ASDs) do not talk at all. Another 25-30% of children have some words at 12 to 18 months of age and then lose them.

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Comments

Can anyone please explain here in simple ters what is Autism? How do autistic children behave?

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