CortexOverview

CortexOverview - Write a short paragraph that details the...

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e a c d f b Write a short paragraph that details the cause of each point, a-f, in the generation of an action potential.
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Human Brain
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Organization (nomenclature) Four Lobes parietal frontal temporal occipital frontal lobe central sulcus parietal lobe occipital lobe temporal lobe
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Cerebral Cortex Cerebral cortex is 2.5 ft 2 and a few millimeters thick. Highly convoluted Sulci: large fissures (infoldings) Sylvian fissure Central sulcus Gyri: “mountains” (outfoldings) Most cerebral cortex is neocortex. Approx. 25 billion neurons in human neocortex Beneath each square cm is about 100,000 neurons.
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Neurons pyramidal cell from human motor cortex
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Cortices: Overview
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Organizational Principles Topographic organization Frequency maps in auditory cortex Body maps in somatic sensory cortex Parallel pathways two ears temporal/spatial pain, temperature, pressure, proprioception all travel together
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Functional regions in cortex
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Neocortical Layers
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Columnar organization in striate cortex. Columns active for same stimulus Best stimulus varies across layer.
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On Intelligence: Chapters 1-2 Artificial Intelligence has failed The Turing Test is a behavioral test;
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This note was uploaded on 08/24/2011 for the course CMSC 131 taught by Professor Anderson during the Fall '09 term at Bard College.

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CortexOverview - Write a short paragraph that details the...

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