Most stimulants exert their activating effects by improving catecholamine neurotransmission. Catecholamine neurotransmitters are used in regulatory pathways implicated in notice, arousal, commitment, process salience and reward anticipation. Classical stimulants possibly block the reuptake or stimulate the efflux of those catecholamines, causing increased exercise in their circuits. F... https://alvar357rmi5.wikijm.com/user