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by James E. Galvin, M.D., M.P.H., and Meera Balasubramaniam, M.D
After Alzheimer's disease, Lewy body dementia (LBD) is the most prevalent progressive dementia. Many of the symptoms of Alzheimer's, Parkinson's, and LBD overlap, making LBD difficult to diagnose. Underdiagnosis is just part of the reason why LBD is not better known to the public and health-care providers, and why funding for research lags far behind that for almost every other cognitive disorder. From Cerebrum, our online magazine of ideas.
Recent neurobiological research has shown that glossolalia may be a more directed activity than previously believed, and may play a direct role in defusing stress reactions.
A series of small studies suggests low mood may affect a range of senses.
We've heard a lot lately about brain-to-machine communication, and now there are first steps toward brain-to-brain communication. How do we prevent news of incremental discoveries from transporting our imaginations way too far?
Even without a disease such as Alzheimer's, the aging brain does show signs of wear. Researchers look to the molecular level to see if they can slow the 'normal' progress.
Many recent studies have demonstrated that sleep benefits all aspects of neural plasticity. Currently under investigation are the underlying cellular mechanisms, which should explain why these benefits can only be obtained when the brain is off-line. One of our series of Reports on Progress.
The Nobel Prize in Physiology or Medicine 2013 was awarded jointly to James Rothman, Randy Schekman and Dana Alliance member Thomas Südhof "for their discoveries of machinery regulating vesicle traffic, a major transport system in our cells."
See also: Audio interview with Dr. Südhof on day of announcement (The Guardian; 8:30 min)