Personality 5

Question 1

extraversion

Answer 1

higher volume in medial orbitofrontal cortex (underside of frontal lobe, directly above eyes)
associated with recognizing value of rewarding information

Question 2

neuroticism

Answer 2

lower brain volume in several areas responding to threat, punishment, and negative emotions
reduced volumes in dorsomedial prefrontal cortex and left posterior hippocampus
higher brain volume in middle cingulate cortex associated with error detection and response to pain

Question 3

agreeableness

Answer 3

areas of brain associated with intentions of actions and mental states of others
more volume posterior cingulate cortex
lesser volume in left superior temporal sulcus

Question 4

conscientiousness

Answer 4

left lateral prefrontal cortex

planning, working memory, and voluntary control of bx