Distinguished Professor of Psychiatry and Biobehavioral Sciences and Emeritus Director of the Alcohol Research Center Semel Institute for Neuroscience & Human Behavior at the UCLA School of Medicine. In 1990, Dr. Noble and his colleagues were the first to discover the association of the DRD2 receptor gene with alcoholism, which received wide national and international recognition. Subsequently, he has also found the DRD2 gene to be involved in other substance abuse disorders including cocaine, heroin and nicotine addiction and obesity.