Penfield

[ pĕnfēld′ ]
Wilder Graves 1891-1976

American-born Canadian neurosurgeon noted for his experimental work on the exposed brains of conscious humans. His findings increased scientific understanding of the functions of the brain, brain diseases such as epilepsy, and the mechanisms involved in speech.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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