Acceptance Mixed emotions . Plutchik felt that adjacent emotions can be mixed to yield a third, more complex emotion. And other mixtures possible. A child about to eat a stolen cookie may feel both joy and fear. Development of Emotions 1.
General excitement is the only emotional response newborn infants clearly express.
Emotional life blossoms rapidly. There is a consistent order in which emotions appear. Darwin believed that emotional expressions were retained during the course of human evolution because communicating feelings to others is an aid to Survival. All basic human emotions appear before age 2. Recent research suggests that even by the end of the first year, babies can express happiness, surprise, fear, anger, sadness, disgust, and interest.