penfield

Science Dictionary
Penfield   (pěn'fēld')  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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