Williams syndrome neurodevelopmental disorder.
Category Health | Wednesday, July 28th, 2010
From Wikipedia, the free encyclopedia.
Williams syndrome (WS or WMS; also Williams–Beuren syndrome or WBS) is a rare neurodevelopmental disorder caused by a deletion of about 26 genes from the long arm of chromosome 7.
The most common symptoms of Williams syndrome are mental disability, heart defects, and unusual facial features. Other symptoms include failure to gain weight appropriately in infancy and low muscle tone. Most individuals with Williams syndrome are highly verbal and overly sociable, having what has been described as a “cocktail party” type personality, and exhibit a remarkable blend of cognitive strengths and weaknesses.