Certain types of brain activity may be associated with abnormal behavior. Patients have increased activity in part of the frontal lobe (orbital surface) Man developed ocd after the higher order area of the brain having above normal overactivity. Psychosocial influences on the brain structure and function. Suggests that psychosocial influences affect brain function. Neurological activity may change as a result of psychotherapy. Psychotherapy: seeking treatment from symptoms where there is success in. Stress and early development for the individual that may have shaped or discussing behaviors which then cause changes to brain structures interfered with the development of structures. Interactions of psychosocial factors with brain structure and function. More stimulating environments appear to promote neurodevelopment. Monkeys were given neurochemical designed to trigger extreme anxiety. Sense of control over environment appears important. How much a person feels in control of their environment. Monkeys raised in uncontrollable environment responded with panic. Monkeys raised in controllable environment responded with aggression.