title: Strength of the nervous system, introversion-extraversion, conditionability and arousal.
mesh_terms: D001143:Arousal; D003213:Conditioning, Psychological; D005120:Extraversion, Psychological; D006801:Humans; D007439:Introversion, Psychological; D009420:Nervous System; D010551:Personality / Q000187:drug effects; D011603:Psychophysiology