Psychologist Colin DeYoung and His Colleagues Studied Over 100 Male

Psychologist Colin DeYoung and his colleagues studied over 100 male and female participants who underwent MRI scans and took the NEO Personality Inventory, a personality test that is used to measure the Big Five. The researchers then compared the brain scans of participants and the personality test results. The researchers found that conscientiousness was associated with a large region of the _____ called the _____, which is known to be involved in planning, working memory, and self-regulation.

A) frontal cortex the middle frontal gyrus
B) cingulate cortex; posterior cingulate cortex
C) temporal cortex; fusiform gyrus
D) occipital cortex;primary visual cortex