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Cerebral hemisphere

Module 5 part 3

Subject: 
Psychology
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Brain
Cerebrum
Neuroscience
Nervous system
Corpus callosum
Split-brain
Lateralization of brain function
Cerebral hemisphere
Handedness
Dual consciousness
Commissurotomy

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

Module 5 part 2

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Psychology
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Cerebrum
Neuroscience
Anatomy
Nervous system
Cerebral cortex
Occipital lobe
Parietal lobe
Frontal lobe
Cerebral hemisphere
Primary motor cortex
Lobe
Lateralization of brain function

Doreen Pang Mrs. Trainor AP Psychology 13 October 2016 Module 5-2 The Cerebral Cortex Cerebral Cortex an intricate covering of interconnected neural cells that forms a thin surface layer on the cerebral hemispheres Expansion of cerebral cortex tight genetic controls relaxes organism?s adaptability increases Frogs and other amphibians have a small cortex operates extensively on programmed genetics instructions The larger cortex of mammals offers: increased capacities for learning and thinking allows them to be more adaptable Structure of the Cortex 80% of brain?s weight = the ballooning left and right hemispheres covered w/ axons connection between brain?s surface and its other regions Cerebral cortex brain?s hemisphere contains 20-23 billion nerve cells
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