What Are The 8 Neurotransmitters?
What Are The 8 Neurotransmitters? Acetylcholine. Acetylcholine (Ach) was the first neurotransmitter discovered. Dopamine. Glutamate. Serotonin. Norepinephrine. gamma-Aminobutyric acid (GABA) Other Neurotransmitters. How many neurotransmitters are there? Classifying neurotransmitters is complicated because there are over 100 different ones. Fortunately, the seven “small molecule” neurotransmitters (acetylcholine, dopamine, gamma-aminobutyric acid (GABA), glutamate, histamine, norepinephrine, and serotonin) do