Cerebrum

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

Doreen Pang Mrs. Trainor AP Psychology 12 October 2016 Module 5-1: The Brain The Tools of Discovery Lesion (Tissue destruction) destroy EEG the electrodes on head Usually used for sleeping waves PET looks at radioactive glucose Looks at molecular cellular structure allows for us to detect disease early MRI magnetic fields and radio waves to look at soft tissue Brainstem Oldest structure Responsible for older structures Base is Medulla controls heartbeat and breathing damage=death Pons Above the medulla helps coordinate movement Reticular Formation (Reticular Activating System) Runs all the way down the brainstem think nylons controlling arousal damage=coma Thalamus on top of brainstem directs messages to the sensory areas (except smell) Cerebellum ?little brain?