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| Excitatory Amino Acids Amino Acids, Excitatory | Excitatory Amino Acid | Acid, Excitatory Amino | Acids, Excitatory Amino | Amino Acid, Excitatory Endogenous amino acids released by neurons as excitatory neurotransmitters. Glutamic acid is the most common excitatory neurotransmitter in the brain. Aspartic acid has been regarded as an excitatory transmitter for many years, but the extent of its role as a transmitter is unclear. |