Many people are interested in this question and are attempting to
find ways to study it. However, most of the publications to date
are speculative rather than experimental, or even descriptive.
E-mail me if you want to continue this thread.
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Tom Bleck (Thomas P. Bleck, M.D.) tbleck at virginia.edu
Departments of Neurology, Neurosurgery, and Medicine
University of Virginia School of Medicine
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