beh225_appendix_c final]

beh225_appendix_c final] - Axia College Material Appendix C...

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Axia College Material Appendix C Brain Response of Behavior BEH 225
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Note: Parts II and III follow below, complete all three. Run Multimedia’s 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. The nervous system is made up of millions of neurons that receive chemical messages through their dendrites via electrochemical impulses. Electrochemical impulses are the language that neurons understand. In order for the chemical messages to be received, or sent by the neurons: the electrochemical impulses must be charged. When not sending messages, the neurons are resting, but their dendrites are still working and receiving messages. The path that the messages take is called the synapse cleft and as they travel through the cleft they do not get to touch each other. The reason the neurons do not touch each other is because there are two types of neurons; the presynaptic neuron which sends the messages, and the postsynaptic neuron that receives the messages. The synaptic vesicles are located in the presynaptic terminal button. These vesicles send the chemical messages or neurotransmitters to other neurons via a rapid electrical charge or nerve impulse. As the messages travel between the synapse cleft, they join with receptor sites. Receptor sites were made to only certain types and shapes of neurotransmitters would be accepted to be read. These nerve impulses make their way to the axon, and when the nerve impulse is received by the neuron, the neurotransmitters send a message to the next one. BEH 225
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This note was uploaded on 12/15/2010 for the course CRT 205 taught by Professor N/a during the Fall '09 term at University of Phoenix.

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beh225_appendix_c final] - Axia College Material Appendix C...

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