Chapter 5 - Chapter5 BiologicalPsychology...

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Chapter 5 Biological Psychology Why do we do the things we do? Nature versus Nurture Nervous System - Central nervous system- o  brain and spinal cord - Peripheral nervous system o  bundles of axons between the spinal cord and the rest of the body o Somatic NS Controls skin/muscles o Autonomic NS Automatic: controls heart, lungs, stomach, etc 1. Sympathetic NS (stress) Uses energy Fight, flight, fright…sex Increases heart rate, blood pressure, slows digestion, constricts vessels Adrenaline (epinephrine) 2. Parasympathetic NS (peaceful) Conserves energy Calm, relaxing behavior
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Everything but the 4 F’s Lowers heart rate and blood pressure, sleep, aids in digestion, dilates  vessels Nervous System Cells - Neuron- a cell that receives information and transmits it to other cells - Glia- a “support” cell o Insulates neurons o Carries nutrients o Removes waste material - Cell structure ( neuron)
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This note was uploaded on 02/01/2011 for the course PSYCH 110 taught by Professor Little during the Fall '08 term at University of Tennessee.

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Chapter 5 - Chapter5 BiologicalPsychology...

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