You are looking at a chemical substance in the brain. You know that it is involved in synaptic transmission, but it does not seem to have any direct excitatory or inhibitory effect. Rather, it seems to intensify the effect of other neurotransmitters. Most likely, you are looking at
A)an endorphin
B)a cell in the central nervous system
C)a neuromodulator
D)a reuptake trigger
E)glutamate

Question

Quizplus · Accepted Answer

Neuromodulators are substances in the brain that modify the way neurons respond to neurotransmitters, often by enhancing or diminishing their effects, rather than directly causing excitatory or inhibitory responses. This description fits the substance mentioned.

You Are Looking at a Chemical Substance in the Brain