Roger Sperry (1964) found that the two hemispheres seem to work independently if the corpus callosum is cut. Sperry’s experiments on animals were subsequently tried on humans with epilepsy – to try stopping their sudden damaging “brain storms” that travel from one side to the other. This seemed to help reduce the devastating effects of epileptic fits in such “Split Brain” patients. But sometimes they behaved bizarrely, as though possessing two separate minds.
