Personality and regional cerebral blood flow.
The extraversion-introversion dimension of personality is believed to have an inverse relationship with cortical arousal. Brain capillary perfusion is a well established index of brain function and arousal. Regional cerebral blood flow was measured in 51 right-handed females whose personality structure was examined with the Eysenck Personality Inventory (EPI). Significant inverse correlations were found between the brain blood flow and the extraversion-introversion score of EPI.
D000328:Adult; D001143:Arousal; D002560:Cerebrovascular Circulation; D005120:Extraversion, Psychological; D005260:Female; D006801:Humans; D007439:Introversion, Psychological; D010551:Personality; D010555:Personality Inventory