Nervous_system

Nervous_system - Chapter 2 The Nervous System What does the...

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Chapter 2 The Nervous System What does the biology have to do with psychology? *The brain is central to the study of psychology *Understanding how the brain works is critical to understanding behavior *One’s brain controls all of their actions *Biological Psychology *Branch of psychology concerned with the links between biology and behavior *Some biological psychologists call themselves behavioral neuroscientists, neuropsychologists, behavior geneticists, physiological psychologist, or biopsychologists How does the brain talk to the rest of the body? *Neuron *a nerve cell *the basic building block of the nervous system *Parts of the neuron: *Dendrite *the bushy, branching extensions of a neuron that receive messages and conduct impulses toward the cell body *Axon *the extension of a neuron, ending in branching terminal fibers, through which messages are sent to other neurons or to muscles or glands *Myelin [MY-uh-lin] Sheath *a layer of fatty cells segmentally encasing the fibers of many neurons *enables vastly greater transmission speed of neutral impulses Neuron How does the neuron send and receive information? *Action Potential
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This note was uploaded on 12/21/2010 for the course PSYCH 1A taught by Professor Kerrihogue during the Fall '10 term at Santa Rosa.

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Nervous_system - Chapter 2 The Nervous System What does the...

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