A brain at rest offers clues to Parkinson’s, Alzheimer’s

Networks of brain regions that are active when the brain is at rest — not thinking about anything in particular — differ between healthy people and those with Parkinson’s or Alzheimer’s diseases, a new study finds.

Measurements of how much glucose brain cells consume reveal that one important resting network, called the default mode network, rapidly and continually loses activity in people with Alzheimer’s disease, researchers reported in the Proceedings of the National Academy of Sciences. In contrast, the network remains largely intact during the early stages of Parkinson’s disease. Read more.

Tags: Brain PET Research

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