A Preliminary Study of the Opioid System and Personality Traits Using Positron Emission Tomography

Conclusions: While preliminary, the results of this study suggest that the expression of Neuroticism and Extraversion is related to baseline function of the opioid neurotransmitter system in the insular cortex. These findings may help elucidate the neural mechanisms underlying the expression of personality traits, particularly those implicated in affective processing.Mol Neuropsychiatry 2017;3:12-18
Source: Molecular Neuropsychiatry - Category: Neuroscience Source Type: research