TheBrainPartTwo 9-11 - The Brain Part Two The Brain The...

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The Brain Part Two
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The Brain: The Hindbrain, Midbrain and Forebrain
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The HINDBRAIN
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Medulla: regulates automatic functioning, circulation, breathing, muscle tone, reflexes (sneezing/salivating). Can’t survive if destroyed
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Pons: regulates sleeping, walking, and dreaming Cerebellum: balance and coordination of movement; analyzes sensory information; may play a role in remembering simple skills, problem solving Ex: alcohol goes to cerebellum
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Hindbrain
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The MIDBRAIN
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Reticular Formation: modulates muscle reflexes, pain perception; active in states of arousal Damage to this area may result in comas
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Tectum: vision and hearing Tegmentum: helps function of movement and arousal
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The FOREBRAIN
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Thalamus: relays motor impulses out of the brain, directs incoming sensory messags to higher centers Hypothalamus: hunger, thirst, emotion, sex and reproduction, body temp. and the autonomic nervous system (The 4 F’s, in book) Fighting, fleeing, feeding, fucking
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Pituitary Gland: master gland governed by the hypothalamus Limbic System: loosely interconnected structures involved in emotions. No clear boundaries
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