PHYSIOLOGICAL CORRELATES OF PERSONALITY DIMENSIONS
INTROVERSION - EXTRAVERSION
Introversion: tender mindedness; introspectiveness; seriousness; performance interfered with by excitement; easily aroused but restrained; inhibited; preference for solitary vocations; sensitivity for pain
Extraversion: tough mindedness; impulsiveness; tendency to be outgoing; desire for novelty; performance enhanced by excitement; preference for vocations involving contact with other people; tolerance for pain
NEUROTICISM
Below-average emotional control, will-power, capacity to exert self; slowness in thought and action; suggestibility; lack of persistence; tendency to repress unpleasant facts; lack of sociability; below average sensory acuity but high level of activation
PSYCHOTICISM
Poor concentration; poor memory; insensitivity; lack of caring for others; cruelty; disregard for danger and convention; occasionally originality and/or creativity; liking for unusual things; considered peculiar by others