baby autism..BABY boy with autism appeared to have a larger brain size. Abnormal brain growth usually begins at the age of four months. At that moment, he lost his language and social skills.
The brains boys with regressive autism grew six percent larger than their friends. "This adds to the evidence that there is some biological subtypes of autism, a neurobiological foundations are different," said research assistant David Amaral, research director of the MIND Institute at the University of California, Davis.
Autism covers a wide spectrum of differences in child development. This could be a social awkwardness, an inability to communicate, repetitive movements, sensitivity to light and certain sounds, as well as behavior problems.
mystery
As many as one in 110 children diagnosed with autism and the cause is still a mystery. This disorder is more common in boys than girls.
But a study published in the Proceedings of the National Academy of Sciences 29 November 2011 edition is the first to demonstrate differences in brain size between toddler boys with regressive autism earlier. "When we evaluated the toddler girls with autism separately from boys, the trend was not found."
The main finding of this study is that a subset of boys with regressive autism have normal head circumference at birth, which deviates from the normal four to six months of age, well before the documented loss of skills, "the study said, calling for more research further.
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