Main Page | See live article | Alphabetical index Roger W. Sperry (August 20, 1913 - April 17, 1994) was a biologist and Nobel laureate who won the 1981 Nobel Prize in Medicine for his work with split-brain research. In his Nobel winning work, Sperry separated the corpus callosum, the area of the brain used to transfer signals between the right and left hemispheres, to treat epilepticss. External link Roger W. Sperry - Autobiography This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.