Appendix C Brain Response of Behavior
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Axia College Material
Brain Response of Behavior
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 (12th 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.
What are neurons? A neuron is a nerve cell that is the basic building block of the nervous system. Neurons are responsible for the transmitting of communication within the brain and other areas of the nervous system. Dendrites are the treelike extensions of a neuron. Most neurons have multiple dendrites, which are short and typically highly branched. Dendrites are specialized for receiving information and form synaptic contacts with the terminals of other nerve cells to allow nerve impulses to be transmitted. . The axon is a long fiber of a nerve cell (a neuron) that acts somewhat like a fiber-optic cable carrying outgoing (efferent) messages. Neurotransmitters are the chemicals which allow the transmission of signals from one neuron to the next across synapses. They are also found at the axon endings of motor neurons, where they stimulate the muscle fibers. And they and their close relatives are produced by some glands such as the pituitary and the adrenal glands. All of these parts of the brain carry information throughout the entire human body.
The process starts when an electrical impulse travels down the cell body to the axon it then crosses a gap called the synapse. The synapse is the site where a nerve impulse is transmitted from one cell to another cell. The axons contain sacs that hold neurotransmitters. When the brain sends an electrical impulse it...