PSYCH Lecture 7.docx - The Brain (part 3) Lecture 7...

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The Brain (part 3)Lecture 7Localization vs plasticityNeuroplasticityChanges in the physical structure and functional organization of the brain due to experienceLearning (neurons that fire together, wire together)Re-mapping of sensory cortexCan occur after brain damage (e.g. invasive surgery)Can be positive or negative (e.g. changes in amygdala due to post-traumatic stress)The two hemispheres of the brainLeft and right sides are separateCorpus callosum: major pathway between hemispheresWhile there is a built-in redundancy, some functions are ‘lateralized’Bilateral symmetryEach hemisphere is structurally identical but each is more dedicated to one thing than anotherLeft brain controls right body, right brain controls left bodyLeft is logic and reasoning, spoken and written language, numbersRight is art, and creativity, music, insight, If left handed, then its flipped. ex) language on right side of brain
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