Week 4 9/12/16 the Two Hemispheres of the Brain
Week 4 9/12/16 the Two Hemispheres of the Brain PSYCH 1101
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This 2 page Class Notes was uploaded by Chandler Notetaker on Friday September 16, 2016. The Class Notes belongs to PSYCH 1101 at Cornell University taught by Pizarro, D in Fall 2016. Since its upload, it has received 17 views. For similar materials see Introduction to Psychology in Psychology at Cornell University.
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Date Created: 09/16/16
9/12/16, The Two Hemispheres of the Brain ➔ The Two Hemispheres of the Brain ◆ Left and right sides are separate (bilateral symmetry) ◆ Corpus callosum:major pathway between hemispheres ◆ Built in redundancy, functions are lateralized: seems as if the functions of left and right are not symmetrical (right has specific functions that the left does not have) ◆ Only found in mammalians ➔ Left Hemisphere Functions (left side controls the right side of your body) ◆ Numbering ◆ Written language ◆ Reasoning ◆ Spoken languages ◆ Scientific skills ◆ Right hand control ➔ Left handed people, the right side of the brain controls the left side of their body (opposite lateralization) ➔ Right Hemisphere ◆ Insight ◆ 3D forms ◆ Art awareness ◆ Imagination ◆ Music awareness ◆ Left hand control ➔ Left and right visual field not called eyes) ◆ Eyes talking to each other through corpus callosum ➔ Sensory Information Sent to Opposite Hemisphere ◆ Contralateral organization ◆ Sensory data crosses over in pathways leading to cortex ◆ Visual crossover ● Left visual field to right hemisphere ● Right visual to left hemisphere ◆ Other senses similar ➔ Gazzaniga and the Split Brain Patients ◆ Cutting the corpus callosum stops communication between right and left brains ● Right and left hemispheres now work independently of each other ● Because the brains work independently, each one is functionally ◆ Left hemisphere has the fuction of cause and effects explanation ◆ Right hemisphere could the main role to recognize faces ◆ Don't leave the house without your left hemisphere ➔ After birth, right brian has been a companion without a choice ◆ Not given the voice, left hemisphere ◆ “You is two” ➔ Confabulation: when the left side of the brain tries to make sense of the world (make up a story about your intentions or desires) ➔ Amygdala ◆ Made up of the limbic system ◆ Emotions ◆ Located next to the hippocampus (memory)
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