The effects of fear and anger facial expressions on approach- and avoidance-related behaviors.
Fears, phobias, and preparedness: toward an evolved module of fear and fear learning.
Emotion in the criminal psychopath: startle reflex modulation.
Approach and avoidance strength during goal attainment: regulatory focus and the "goal looms larger" effect.
A cognitive developmental approach to morality: investigating the psychopath
Masked presentations of emotional facial expressions modulate amygdala activity without explicit knowledge.