He has also identified three genes that are associated with voter turnout and partisan attachment, specifically those regulating the serotonin and dopamine systems in the brain via the production of monoamine oxidase, 5HTT, and DRD2.
He has also identified genes related to voter participation and party affiliation, particularly those influencing the serotonin and dopamine pathways in the brain through the production of enzymes like monoamine oxidase, 5HTT, and DRD2.