Differences in Intensity of a Stimulus

Differences in intensity of a stimulus

A) affect the wave form of the transmitted excitation.
B) are encoded by the number of neurons activated.
C) control the part of the brain that receives the stimulus.
D) are encoded by the frequency of action potentials in a single axon.
E) are encoded by the number of neurons activated and by the frequency of action potentials in a single axon.