Author(s): Blum K, Sheridan PJ, Wood RC, Braverman ER, Chen TJ,
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Abstract The dopaminergic system, and in particular the dopamine D2 receptor, has been profoundly implicated in reward mechanisms in the brain. Dysfunction of the D2 dopamine receptors leads to aberrant substance seeking behaviour (alcohol, drug, tobacco, and food) and other related behaviours (pathological gambling, Tourette's syndrome, and attention deficit hyperactivity disorder). We propose that variants of the D2 dopamine receptor gene are important common genetic determinants of the 'reward deficiency syndrome'.
This article was published in J R Soc Med
and referenced in Journal of Addiction Research & Therapy