The platysma changes the facial expression which plays an important role in human social behavior. In elderly people â when the skin increasingly loses its elasticity â both inner faces of the platysma form two longitudinal wrinkles on the neck.
Biological psychology is a branch of psychology that studies the physiological causes of behavior. This field is sometimes referred to as behavioral neuroscience or biopsychology.
Biological Psychology Careers: Options and Requirements. Biological psychology is generally offered as a bachelor's degree or concentration within a bachelor's degree program in psychology. Continue reading for an overview of the programs, as well as career and salary info for some career options for graduates. View 10 Popular Schools Â».