Neuromodulators

Glutamate and GABA are the main information carrying neurotransmitters in the brain. Their action is modulated by a further series of small molecules called neuromodulators. The major neuromodulators in the brain are acetylcholine (both muscarinic and nicotinic), dopamine, norepinephrine, epinephrine and serotonin. These have an enormous range of functions in a wide variety of brain mechanisms. T...