Appendix C BEH 225

Appendix C BEH 225 - Axia College Material Appendix C Brain...

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Axia College Material Appendix C Brain Response of Behavior BEH 225
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Part I Note: Parts II and III follow below, complete all three. Run Multimedias 2.3 and 2.4 o Go to the Web site www.prenhall.com/morris . o Click text: Psychology: An Introduction (12 th ed.) o Click “2” on the select a chapter tool bar. o Click Live!Psych on the left hand menu. o Select 2.3 and 2.4. Write a 350- to 700-word response to the following: Explain the communication process of neurons in the brain. List some common neurotransmitters and describe their effect on behavior. <Insert Response Here> BEH 225
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Neurons communicate through what is known as the electrochemical processes. Every neuron gets a chemical message from its neighbors through dendrites. Once it has obtained enough of the proper messages, it then undergoes a very fast electrical change, which is called an action potential, or otherwise known as a nerve impulse. The nerve impulse travels down through the axon to the end where there is what is known as terminal buttons. This causes a release of neurotransmitters, which then sends messages to the next neuron. The synapse is where the nerve impulse is transmitted from on nerve cell to another nerve cell. Neurons do not actually ever touch each other. There is a small space, called the synaptic cleft, between the terminal button and the end of one neuron’s axon and the dendrites of its neighbor. The messages have to cross this gap. On the receiving side, the neurotransmitter molecules briefly bind with the receptor sites, fitting each one perfectly, as a puzzle piece correctly inserted in a puzzle would. A receptor site only will accept one neurotransmitter molecule. Therefore the neurotransmitter molecule has to be of a certain shape and the synapse must be made of terminal buttons containing
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This note was uploaded on 04/20/2010 for the course BEH 225 taught by Professor Mrking during the Spring '09 term at University of Phoenix.

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Appendix C BEH 225 - Axia College Material Appendix C Brain...

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