Behavioral Science Systems General Principles of Foundational Science 1%-5% Behavioral Health 40%-45% Normal processes Adaptive and maladaptive behavioral responses to stress and illness Patient adherence Psychotic disorders Anxiety disorders Mood disorders Somatic symptoms and related disorders Factitious disorders Eating disorders and impulse control disorders Disorders originating in infancy/childhood Personality disorders Psychosocial disorders/behaviors Substance use disorders Adverse effects of drugs Nervous System & Special Senses 15%-20% Normal processes Infectious, immunologic, and inflammatory disorders Degenerative disorders/amnestic syndromes Global cerebral dysfunction Movement disorders Paroxysmal disorders Sleep disorders Traumatic and mechanical disorders and disorders of increased intracranial pressure Congenital disorders Adverse effects of drugs on the nervous system Multisystem Processes & Disorders 1%-5%