Doreen Pang Mrs. Trainor AP Psychology 18 October 2016 Module 5-3: Hemispheres & Split Brain Our divided brain We?ve known for over 100 years that the two sides of the brain have different purposes. Damage to the left hemisphere resulted in problems with: reading writing speaking math reasoning Around 1960 discovered that the right hemisphere had its specialties patients with severe epileptic seizures had their corpus callosum cut The corpus callosum links the two hemispheres The seizures stopped and the patients were very normal afterwards. These patients were then subject to experiments. The patient stared at the center of a screen and words or images were sent displayed to each side and thus were sent to one half of their brain Left brain