This is Part 2 of a 4-part series on: What Actually Are Emotions? "The young and the old of widely different races, both with man and animals, express the same state of mind by the same movements." — ...

In the 1970s, psychologist Paul Eckman defined six basic emotions of which he believed all other emotions were a combination. He theorized that these six emotions — happiness, sadness, fear, anger, ...