Stimulation of the noradrenergic system enhances and blockade reduces memory for emotional material in man.
O'Carroll RE., Drysdale E., Cahill L., Shajahan P., Ebmeier KP.
It is clearly established that emotional events tend to be remembered particularly vividly. The neurobiological substrates of this phenomenon are poorly understood. Recently, the noradrenergic system has been implicated in that beta blockade has been shown to reduce significantly the delayed recall of emotional material with matched neutral material being unaffected.