Lecture 5 - I Organization of the Nervous System A...

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I. Organization of the Nervous System A. Peripheral 1. Somatic 2. Autonomic a. Sympathetic b. Parasympathetic B. Central 1. Spinal Cord 2. Brain a. Hindbrain & Midbrain b. Forebrain i. subcortical structures ii. 4 lobes of the cerebral cortex iii. 4 points/themes about the cerebral cortex
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Sympathetic N.S. Activates fight-or-flight response Parasympathetic N.S. Active more often Controls normal operations and calms the body
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More specifically, what are sympathetic and parasympathetic effects? Discussed in class
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Central N.S. Spinal cord reflex responses relay to/from brain Brain ‘Lower’ structures (toward spinal cord) carry out basic life processes … hindbrain, midbrain ‘Higher’ structures carry out complex cognitive function … mostly forebrain
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from http://web.lemoyne.edu/~hevern/psy340/graphics/brain_hindbrain.jpg cerebellum : balance and coordinated movement medulla : HR and breathing; reflexes pons : sleep and arousal; balance and some hearing
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Lecture 5 - I Organization of the Nervous System A...

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