A strong stimulus is experienced as more intense than a weak stimulus because a strong stimulus triggers
A) a speedier action potential.
B) a higher-voltage action potential.
C) more neurons to fire,and to fire more often.
D) the release of epinephrine.

Question

Quizplus · Accepted Answer

A strong stimulus triggers more sensory neurons to fire, and these neurons fire more frequently than they would in response to a weak stimulus. This increased neural activity creates a stronger signal sent to the brain, which is interpreted as a more intense sensation. Choices A, B, and D are not accurate explanations for why a strong stimulus is experienced as more intense.

A Strong Stimulus Is Experienced as More Intense Than a Weak