18 January 2009

Memory loss linked to brain’s white matter

Neuroscientists ID source of cognitive decline in ageing brains
Massachusetts Institute of Technology: 7 January 2009
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. … > full story

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