Stimuli are transmitted by neurons due to neurotransmitters, these molecules are causing the transfer of information from one neuron to another and brain. The main neurotransmitters are acetylcholine, dopamine, norepinephrine, serotonin, gamma - aminobutyric acid (GABA), glycine and glutamate. Neurotransistores The two major neurotransmitter substances to produce and improve the lipid membrane of the brain are the Hill (alpha glyceryl phosphoryl choline) and serine (phosphatidylserine).