The central dopaminergic system, as well as the central serotonergic system, has been
reported to be correlated with higher neuroticism. The present study examined the
relationship between striatal dopamine D2 receptor density and neuroticism. Neuroticism
was assessed with the Maudsley Personality Inventory, and psychiatric morbidity was
evaluated with both the Mini International Neuropsychiatric Interview and the Hamilton
Depression Rating Scale (HAM-D). Single photon emission computed tomography with …