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.
Mental Health Counseling. Less common for a biological psychologist is a career in counseling, though they may pursue the option. Counselors interested in neurological issues may find work in hospitals, clinics and mental health institutions studying and advocating for patients with cerebral disorders or handicaps.