4-16 notes: mental disorders

4-16: Mental Disorders Somatoform disorders Entail physical symptoms without physical cause Chronic headaches Stomach problems Back pains Conversion disorder Person become blind, deaf, paralyzed, pregnant Body dysmorphic disorder Person becomes obsessed with imagined ugliness Convinced people are staring at them Quit their job and move Excessive plastic surgery Phobias Extreme or persistent fear, leading to avoidance behavior Can interfere with normal living People are afraid of things that they cannot control Phobias respond well to therapy Flooding Quickly immerse someone in feared situation Panic fades overtime while facing fear Panic can?t last forever Systemic desensitization Gradually expose a person to the feared situation They learn to relax at each phase Obsessive Compulsive Disorder (OCD) Anxiety disorder with 2 components Obsession is a recurring unwanted thought Compulsive is an uncontrollable behavior driven by an obsession Most people are either compulsive re-checkers or re-cleaners Checkers constantly check locks or count fingers Cleaners are obsessed with germs and cooties Largely biological disorder Runs in the family Respond well to drugs Mood Disorder Common among people seeking therapy Depression: the common cold of psychology Everyone gets it and it can grow sometimes Fatigue, sleep deprived, physical ailment, hopeless thoughts 2 main forms of depression Reactive Response to painful event (death in family) Resolved in about 6 months Endogenous Comes slowly with no obvious cause Bipolar disorder Manic depression Cycles between euphoria and deep depression Manic phase is complete ecstasy PET scans show that brain energy used varies during mood swing Super activity to no activity Happened to only 1% of population Only treatment is lithium drugs Schizophrenia Serious disorder created by problems of brain wiring/chemistry Dopamine overproduced 1% of population affected as well Deterioration of functions 2 of the following Hallucination Usually auditory Delusion Unfounded belief Persecution (people out to get you) Grandeur (you were made to fulfill a purpose) Reference (think normal signals are calling to you) Flattened affect Almost no shown emotion Social problems Eat bugs, no hygiene Movement disorders Become rigid or show tics Incoherent speech Disorganized though and strange associations What causes schizophrenia Problems in dopamine levels Drugs that increase dopamine increase symptoms Drugs that decrease dopamine decrease symptoms Predicted by genetics 80% of those diagnosed cannot move eyes back and forth smoothly