Life: The Science of Biology
11th Edition
ISBN: 9781319010164
Author: David E. Sadava, David M. Hillis, H. Craig Heller, Sally D. Hacker
Publisher: W. H. Freeman
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Chapter 45.1, Problem 2R
Summary Introduction
To review:
The mechanism by which we are able to differentiate between the sensations, all of which produce same action potentials.
Introduction:
All types of sensations, be it pressure, touch, sense of temperature, smell among others, produce the action potentials. The action potentials generated in response to a stimulus travels to the brain, which processes the information based on the part of it getting affected by the stimulus.
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Life: The Science of Biology
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- How are Action potentials are very different from graded potentials?arrow_forwardDescribe the following terms: specificity, stimulus, receptor potential, synapse, neurotransmitter, graded potential, an action potential?arrow_forwardDescribe how following a threshold stimulus, a action potential is carried along an unmyelinated axon? How does this differ from an action potential passing through a mylenated axon?arrow_forward
- How different are theconcepts of action potential,resting potential andexcitation thresholdconcerning neurons?arrow_forwardHow much of a change in the membrane potential is necessary for the summation of postsynaptic potentials to result in an action potential being generated?arrow_forwardHow does the Action Potential Propagation occur?arrow_forward
- Explain the all-or-none law of action potentials, and describe the effect of increased stimulus strength on action potential production. How do the refractory periods affect thefrequency of action potential production?arrow_forwardHow might the disease multiple sclerosis affect transmission of action potentials along a myelinated neuron?arrow_forwardWhy does an action potential move in an all-or-nothing fashion down the length of an axon without stopping?arrow_forward
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