Psychologists today increasingly view emotion as a safeguard of survival and an enrichment of experience throughout development. Emotional expression provides a powerful communication system, one that is especially important in the early childhood stage of life before language has been developed. As these developments proceed, voice, face, gesture, and posture continue to communicate feelings to others and to influence their behaviour.
Ways of expressing emotion may be either innate or culturally acquired. Certain facial expressions, such as smiling, have been found to be universal, e…
