Lecture 4 - Neuron

Lecture 4 - Neuron - Psych 100.5 Lecture 4 Fall 09 - Wede...

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Unformatted text preview: Psych 100.5 Lecture 4 Fall 09 - Wede Lecture 4 Neurons and Neurotransmitters Why does everyone love Prozac? Corresponding reading: Module 4 Overview Neural Communication Neuron structure Communication between neurons Drugs The nervous system Peripheral nervous system Central nervous system Neuroscience and Behavior-- Neurons The bodys information system is built from billions of interconnected cells called neurons. Estimates of 100 billion (w/ 100 trillion connections between the them) Parts of a neuron Dendrite Soma - Life support center of the neuron. Axon - 1 Psych 100.5 Lecture 4 Fall 09 - Wede Terminal Branches of axon - Branched ending of axons. Transmitting messages to other neurons. Action Potential A brief electrical charge that travels down an axon Generated by the movement of positively charged atoms in and out of channels in the axons...
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Lecture 4 - Neuron - Psych 100.5 Lecture 4 Fall 09 - Wede...

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