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.
What Is Biological Psychology? Biological psychology, or biopsychology, is a field in which the mind-body connection is explored through scientific research and clinical practice. Researchers in this field study the biological basis of thoughts, emotions and behaviors. Read on to learn more about this subfield of psychology, educational options and potential careers.