Evidence for the presence of m-tyramine, p-tyramine, tryptamine, and phenylethylamine in the rat brain and several areas of the human brain.

Abstract

Obtained postmortem human brains from 4 nonpsychiatric patients, ages 59–70 yrs. Regional analysis of the trace amines phenylethylamine, p-tyramine, m-tyramine, and tryptamine indicated that the amines are distributed heterogeneously throughout the brain …