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Source of Cognitive Decline in Aging Brains Thursday, January 08, 2009 - Anuradha Menon Home >> Headlines >> Medicine   
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As people age, memory and the ability to carry out tasks often decline. Scientists looking for ways to lessen that decline often have focused on the "gray matter" -- the cortical regions where high-level functions such as memory are located. But there are signs that the search may need to be expanded: A new study by MIT neuroscientists has found that memory and cognitive impairments were more associated with loss of brain "white matter," which forms connections within and between brain regions. (source: web.mit.edu)
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