1- Non-social expressions of emotions : Contentment / Uneasiness / Fear / Distress 2- Social expressions of emotions : Socially positive behaviors / Friendly contact behavior / Appeasinf behavior ; Socially negative behaviors / intimidating behavior / Agression Photographic documentation of behavior patterns that humans share with other mammals, and sorted the behaviors according to their motivations Psychology Comparative / Psychophysiology / Human behavior / Child psychology / Psychobiology / Psychology Comparative -- methods / Behavior -- Animal / Behavior