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Roger Wolcott Sperry (August 20, 1913 – April 17, 1994) was an American neuropsychologist, neurobiologist, cognitive neuroscientist, and Nobel laureate who, together with David Hunter Hubel [1] and Torsten Nils Wiesel, won the 1981 Nobel Prize in Physiology and Medicine for his work with split-brain research.
Roger Sperry and his colleagues pioneered research showing that creating another lesion (done to relieve otherwise untreatable epilepsy), in the connections between the left and right hemispheres, revealed that the right hemisphere can allow people to read, to understand speech, and to say some simple words. Research over the next twenty years ...
His early surgical interventions to control epilepsy laid the foundation for the development of modern ideas about the unique identities of the right and left brains. His work played a crucial role in the development of the split-brain experiments that won Caltech's Roger Sperry the 1981 Nobel Prize in physiology.
Notable researchers in the field include Roger Sperry, one of the first to publish ideas involving a dual consciousness; and his famous graduate student, Michael Gazzaniga. Their results found a pattern among patients: severing the entire corpus callosum stops the interhemispheric transfer of perceptual, sensory, motor, and other forms of ...
The surgery is a palliative treatment method for many forms of epilepsy, including atonic seizures, generalized seizures, and Lennox-Gastaut syndrome. [6] In a 2011 study of children with intractable epilepsy accompanied by attention deficit disorder , EEG showed an improvement to both seizures and attention impairments following corpus ...
Research by Michael Gazzaniga and Roger Wolcott Sperry in the 1960s on split-brain patients led to an even greater understanding of functional laterality. Split-brain patients are patients who have undergone corpus callosotomy (usually as a treatment for severe epilepsy), a severing of a large part of the corpus callosum. The corpus callosum ...
During the 1960s, Roger Sperry conducted a natural experiment on epileptic patients who had previously had their corpora callosa cut. The corpus callosum is the area of the brain dedicated to linking both the right and left hemisphere together.
Roger Sperry of Caltech began split-brain research. On the recommendation of the Bhore Committee in 1946, the All India Institute of Mental Health was founded, becoming the National Institute of Mental Health and Neurosciences (NIMHANS) in 1974 at Bangalore. 1956