Neuromodulators differ from neurotransmitters in that
a. neuromodulators mainly influence the activity of nearby neurons; neurotransmitters mainly
influence the activity of distant neurons.
b. neurotransmitters affect the activity of many thousands of neurons; neuromodulators affect
the activity of only a single neuron.
c. neuromodulators are released into the general circulation of the brain; neurotransmitters are
released into more confined areas of the brain.
d. neurotransmitters mainly influence the activity of the glands; neuromodulators mainly
influence the activity of muscles and other neurons.
e. neurotransmitters are released into the general circulation of the brain; neuromodulators are
released into more confined areas of the brain.
c. neuromodulators are released into the general circulation of the brain;
neurotransmitters are released into more confined areas of the brain.
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