BEH 225 week 2 assignment guide

BEH 225 week 2 assignment guide - Axia College Material...

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Axia College Material Appendix C Brain Response of Behavior BEH 225
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Part I 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. Neurons are the microscopic nerve cells of the brain which play a critical role in human behavior and thought processes (Morris & Maisto, 2005). The communication process of neurons begins with the dendrite, short fibers branching from the outer cell body. These dendrites transmit messages to neighboring cells. When a dendrite has received enough information the next step in communication occurs with a nerve impulse, similar to an electrical charge, which sends the information traveling down a single elongated fiber known as an axon. From this point the information continues on until reaching the end of the axon. A terminal button is located at the axon end which then releases neurotransmitters which in turn send the message to the next neuron (Live! Psych, 2002). BEH 225
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Between each neuron is an area known as the synaptic cleft. All messages being transmitted will pass through this tiny space between the terminal button at the end of the sending axon, or presynaptic neuron, and the dendrites or cell body of a receiving, or postsynaptic, neuron (Morris & Maisto, 2005). Inside the terminal button of the presynaptic neuron are tiny sacs known as synaptic vesicles which release chemicals into the synaptic space. The chemicals released are the neurotransmitters. These neurotransmitters will pass through the synaptic cleft prior to being received by the dendrite of a receiving neuron. On the receiving end of the neuron a short period of binding will occur within this receptor site. As receptor sites are made to accept only certain shaped neurotransmitters there may be certain messages which will be unable to be delivered properly should the neurotransmitter and receptor not be a match (Live! Psych, 2002).
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BEH 225 week 2 assignment guide - Axia College Material...

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