dopamine and pleasure, cause and effect relationship

dopamine pleasure cause effect motivational visualization relation energy chain reaction newton cradle momentum action causality pendulum concept metaphor norepinephrine dopa reuptake striatum serotonin catecholamine epinephrine prolactin haloperidol transporter neurotransmitter antipsychotic dyskinesia agonist histamine amphetamine dysregulation receptors efflux adrenergic cholinergic dat nigra acetylcholine ganglia vesicular synaptic inhibitor