Emotion in animals specialised form of Occam's razor used in ethology, in which he stated: Charles Darwin initially planned to include a chapter on emotion in "The Descent of Man" but as his ideas progressed they expanded into a book, "The Expression of the Emotions in Man and Animals". Darwin proposed that emotions are adaptive and serve a communicative and motivational function, and he stated three principles that are useful in understanding emotional expression: First, "The Principle of Serviceable Habits" takes a Lamarckian stance by suggesting that emotional expressions that are useful will be passed on to the offspring. Second, "The Principle of
Emotions and culture but the patterns are social constructions. Some also theorize that culture is affected by emotions of the people. Research on the relationship between culture and emotions dates back to 1872 when Darwin argued that emotions and the expression of emotions are universal. Since that time, the universality of the six basic emotions (i.e., happiness, sadness, anger, fear, disgust, and surprise) has ignited a discussion amongst psychologists, anthropologists, and sociologists. While emotions themselves are universal phenomena, they are always influenced by culture. How emotions are experienced, expressed, perceived, and regulated varies as a function of culturally normative behavior by the surrounding