Example image of eyePlorer eyePlorer map for 'Fear': Emotion Pain Stimulus (physiology) John B. Watson Paul Ekman Psychologist Robert Plutchik Anger Happiness Sadness Anxiety Middle Ages Charles Darwin Fight-or-flight response Perspiration Viscus Paranoia Phobia Horror and terror Panic Worry Nightmare Unconscious mind Social group Social network Mass hysteria Distrust Safety Irrationality Psychosis Delusion Fear conditioning Little Albert experiment Acrophobia Aquaphobia Claustrophobia Human nature Preparedness (learning) Natural selection Poliomyelitis Display rules Amygdala Brain Frontal lobe Toxoplasmosis Fundamentalist Christianity Existentialism Terror management theory Corey Robin Joanna Bourke