To find the meaning of a term or phrase used by the Robertson Research Institute, please click on its beginning letter and then search the provided list alphabetically. Please keep in mind that some definitions will represent word usages and applications that are specific to RRI Programs and Plans.

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'T' Terms

Tryptophan   Tryptophan is an amino acid that is a foundational building block to serotonin. It is a low affinity amino acid which means it competes with high affinity amino acids in the neurotransmission conversion process. Turkey is often thought of as a tryptophan rich food but paradoxically, too much of this protein has the potential to result in lowering serotonin levels and/or increasing dopamine levels because of tyrosine levels which are also present. See Tyrosine for more information.

Tyrosine   Tyrosine is an amino acid that is broken down to produce dopamine in the brain. All protein-rich foods contain tyrosine which can ultimately boost dopamine levels. It is a high affinity amino acid which means it is preferred over other amino acids in the neurotransmission process.

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