Multiple Choice
What are papillae and where are they primarily located in the human body?
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13. The Peripheral Nervous System
Introduction to Sensory Receptors
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
How is the strength of a stimulus encoded by neurons?
A
By the duration of action potentials
B
By the amplitude of action potentials
C
By the frequency of action potentials
D
By the speed of action potential propagation
Verified step by step guidance1
Understand that neurons communicate information through electrical signals known as action potentials.
Recognize that the amplitude of action potentials remains constant; it does not change with the strength of the stimulus.
Note that the duration of action potentials is also constant and does not vary with stimulus strength.
Identify that the frequency of action potentials, or how often they occur, increases with a stronger stimulus. This is how neurons encode the strength of a stimulus.
Acknowledge that the speed of action potential propagation is determined by factors like myelination and axon diameter, not by stimulus strength.
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