History of evolutionary psychology Generation of Culture". Like sociobiology before it, evolutionary psychology has been embroiled in controversy, but evolutionary psychologists see their field as gaining increased acceptance overall. After his seminal work in developing theories of natural selection, Charles Darwin devoted much of his final years to the study of animal emotions and psychology. He wrote two books;"The Descent of Man, and Selection in Relation to Sex" in 1871 and "The Expression of the Emotions in Man and Animals" in 1872 that dealt with topics related to evolutionary psychology. He introduced the concepts of sexual selection to explain the presence of animal structures
Body language fact some researchers conclude that nonverbal communication accounts for the majority of information transmitted during interpersonal interactions. It helps to establish the relationship between two people and regulates interaction, but can be ambiguous. Facial expression is integral when expressing emotions through the body. Combinations of eyes, eyebrow, lips, nose, and cheek movements help form different moods of an individual (example happy, sad, depressed, angry, etc.). A few studies show that facial expression and bodily expression (body language) are congruent when interpreting emotions. Behavioural experiments have also shown that recognition of facial expression is influenced by perceived bodily expression. This means