BMB_4_12_11 - Inter-hemispheric Connections...

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Inter-hemispheric Connections
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Inter-hemispheric Connections
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Commissurotomy Because the corpus callosum is the primary means of communication between the 2 hemispheres - severing these fibers can therefore inform about the functional specialization of each hemisphere. In 1960’s, Roger Sperry and Michael Gazzaniga carried out numerous studies in patients who had undergone commissurotomy (severing of the callosal fibers) to contain the spread of epileptic seizures. The procedure allows subsequent assessment of how the two hemispheres operate in relative isolation (visual information presented to one hemisphere does not transfer).
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Video 5
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Split Brain Patients Patient report “As I reach to retrieve something to wear in the closet with my right hand, my left hand comes up and takes something different”. Reports like this are common, but the effects go away soon after surgery. Suggests that the cerebral commisures transmit information that
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This note was uploaded on 06/28/2011 for the course PSYCHOLOGY 253 taught by Professor Knight during the Spring '11 term at University of Alabama at Birmingham.

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BMB_4_12_11 - Inter-hemispheric Connections...

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