Washington: Abnormal brain growth starting at four months of age occurs in a type of autism in which toddlers lose language and social skills they once had, according to a US study.The brains of boys with regressive autism grew six percent larger than typically developing counterparts and toddlers who showed signs of autism early in life, a form called early onset autism.The research published yesterday, involving 180 subjects and described as the "largest study of brain development in preschoolers with autism to date," also found no evidence of a brain growth spurt in girls with autism."This adds to the growing evidence that there are multiple biological subtypes of autism, with different neurobiological underpinnings," said co-author David Amaral, research director of the MIND Institute at University of California, Davis.Autism includes a wide spectrum of developmental differences and may range from mild social awkwardness to complete inability to communicate, repetitive movements, sensitivity to certain lights and sounds, and behavioural problems.
Finance Minister presents his maiden budget in Parliament
Budget 2014-15: IT exemption limit raised to Rs 2.5 lakh
Union Budget 2014: What`s cheaper, what`s dearer
We didn`t want to burden the common man: Arun Jaitley on budget