2_Overview_BasicOrg - SPHSC 449 Overview Structures...

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SPHSC 449 Overview: Structures, functions,  basic organization
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Review of key terms Dualism Reductionism Discrete localization  Equipotentialism Modern take Neuron doctrine Cytoarchitecture 
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3 Human frontal cortex drawn by Cajal on the basis of Golgi impregnation Photomicrographs from Cajal's preparations (Cajal Institute, Madrid, Spain) Read more: http://nobelprize.org/medicine/articles/cajal/
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4 Illustration: Kindergartener
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5 Illustration: 1 st  grader
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6 Illustration: 5 th  grader
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7 Basic Principles Interconnectivity in the brain Within a hemisphere: Within an association area Among association areas Between the two hemispheres:  commissural fibers
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8 Basic Principles Centrality of the central nervous system No two areas in the peripheral body can  communicate with each other except  through the CNS
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9 Basic Principles www.geocities.com/kpmiyapuram/research/lobes.jpg  ACTION PERCEPTION
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10 Basic Principles Hierarchy of neuraxial organization www.faqs.org/health/images/uchr_02_img0126.jpg  High level of  integration Control of lower  segments Low level of  integration Cerebral cortex : integrates sensory, motor, cognitive info Brain stem, diencephalon: regulate blood pressure, respiration, sleep, temperature, etc. Spinal column: basic reflexes. Is influenced by upper segments.
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11 Basic Principles Laterality Bilateral anatomical symmetry (… more or  less) Contralateral sensorimotor control faculty.etsu.edu/currie/images/sensorpath.JPG 
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12 Basic Principles Topographical organization in cortical pathways Information from and to body regions is carried  in discrete spatial arrangement mywebpages.comcast.net/. ../homunculus.jpg  http://lefred.blog.lemonde.fr/fil es/homunculus.gif
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This note was uploaded on 09/09/2009 for the course SPHSC 449 taught by Professor Peter during the Summer '09 term at University of Washington.

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2_Overview_BasicOrg - SPHSC 449 Overview Structures...

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