Your brain differentiates between a tap on your arm and a sharp slap on your arm by the
A) number of action potentials produced in response to the sensory input.
B) size of the action potentials produced in response to the sensory input.
C) kind of neurotransmitters released at the synapse of the sensory neuron.
D) number (two or more different kinds) of neurotransmitters released at the synapse of the sensory neuron.

Question

Quizplus · Accepted Answer

The brain distinguishes between different sensations by the number of action potentials generated by the sensory neurons that are stimulated. A tap on the arm produces fewer action potentials than a sharp slap, and this difference in the number of action potentials is used by the brain to differentiate between the two sensations.

Your Brain Differentiates Between a Tap on Your Arm and a Sharp