Preliminary confirmation of the proposed link between reward-dependence traits and norepinephrine

The tridimensional theory of personality posits that traits belonging to a personality spectrum called ‘reward dependence’ are determined in part by the neurotransmitter norepinephrine (NE). We hypothesized that urinary levels of the NE metabolite 3-methoxy-4-hydroxyphenylglycol (MHPG) would be sign...

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