the concentrations of mid-brain tryptophan and 5-hydroxytryptamine were also reduced in various brain regions examined.5 withdrawal from diazepam or bromazepam therapy further augmented the levels of brain 5-hydroxyindoleacetic acid.6 the results demonstrate that the depressant effects on behaviour of these agents are accompanied by increased metabolism of 5-hydroxytryptamine in the brain .
C0086045
concentrations
C0006104
brain