How do neurons encode the intensity of a stimulus?

Multiple choice question for Miscellaneous Psychology. Select an option, then review the explanation below.

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By changing the amplitude of their action potentialsBy altering the speed of their action potentialsBy adjusting the frequency of their action potentialsBy combining all of the above methods

Explanation

Neurons transmit information about stimulus strength primarily by modifying how frequently they generate action potentials. The amplitude and speed of action potentials remain relatively constant, so the frequency of firing is the key factor in encoding stimulus intensity.

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How do neurons encode the intensity of a stimulus?

Explanation

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