Nineteen healthy heterosexual males ( mean age @ years , SD @ ) under subchronic intake ( @ days ) of the noradrenergic agent reboxetine ( @ mg/d ) , the antidopaminergic agent amisulpride ( @mg/d ) , and placebo were included and studied with functional magnetic resonance imaging within a randomized , double-blind , placebo-controlled , within-subjects design during an established erotic video-clip task .