Plasma noradrenalin and dopamine-beta-hydroxylase during behavioral testing of sexually deviant XYY and XXY males

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Abstract
In a behavior study of a sexually deviant XYY and XXY male, who were both murderers, plasma noradrenalin (NA), dopamine-beta-hydroxylase (DBH) were determined radioenzymatically under resting conditions and during exertional and emotional stress. Under a physical work load on the bicycle ergometer both had normal plasma NA and DBH levels. During emotional stress both had NA increases of the same magnitude. During an arithmetic test NA values did not increase more than expected for the sitting position. Disturbed NA function does not seem to be the cause of the behavior disorder of the XYY and XXY patients.