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PSY-0001 (107)
Urry (17)
Lecture

9-11-12.docx

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Department
Psychology
Course
PSY-0001
Professor
Urry
Semester
Fall

Description
Intro to Psychology 9­11­12 • The human nervous system o Complex o Necessary for, and the source of all behavior • 2 basic branches o central and peripheral nervous systems (CNS and PNS) o CNS  Network of nerves contained within the brain and spinal cord o PNS  Somatic and autonomic • Functions of nervous system o Gather info (sensory) o Integrate (info processing) o Act (motor) o Requires communication  Neurons: receive integrate and transmit info • Neuron structure o Axon terminals, myelin sheath (glial cells), axon, nodes of granvier, cell  body, dendrites, action potential (dendrites to terminals) o Synapse= place where 2 neurons meet  Info transfer within is electrical
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