Psychopathology – W. J. Wilson (Spring 2000)
- Anxiety Disorders
- Phobic disorders
- Irrational fear of _______
- Arachnophobia
- Acrophobia
- Claustrophobia
- Agoraphobia
- "Extinction" therapies
- desensitization
- flooding
- Generalized anxiety disorder
- Irrational fear of ?
- Drug therapy
- Benzodiazepines
- Valium
- Librium
- Obsessive compulsive disorder
- Obsession: thought that intrudes into consciousness
- Compulsion: behavior that intrudes into consciousness
- Prozac and a few other "anti-depressants" treat the symptoms
- Somatoform disorders
- Hypochondriasis
- Fear that you have a terrible disorder
- No symptoms
- Conversion disorder
- Sensory or motor deficit
- e.g., paralysis or deafness
- "la belle indifference"
- Dissociative disorders
- Psychogenic amnesia
- Loss of knowledge concerning your personal history
- Forget who you are, where you come from, etc.
- Fugue state
- Adopt a new identity & change locations
- Lasts for weeks or months
- Dissociative identity disorder (Multiple personality disorder)
- Two or more personalities in one person
- Exceedingly rare
- Fewer than 500 documented cases ever
- Schizophrenia
- Break from reality
- Inappropriate thoughts
- Inappropriate affect
- Inappropriate movement
- Sometimes delusions
- Sometimes hallucinations
- 1 % of people worldwide affected
- Reactive type
- Late teens, early 20s
- Rapid onset, better prognosis
- Process type
- Middle or later life onset
- Slow onset, worse prognosis
- Biological disorder
- Heritable
- If you have a close relative with schizophrenia the chances that you will get it increase
- Dopamine hypothesis
- Drugs that treat schizophrenia block dopamine receptors
- Drugs that "cause" schizophrenia activate dopamine systems
- Cocaine, amphetamine, L-DOPA, ritalin
- Post-mortem studies reveal increases in dopamine receptors and sometimes dopmamine in schizophrenic brains
- Hippocampus
- Scheibel – wiring and arrangement of hippocampal neurons in disarray in schizophrenia
- Weinberger – hippocampus of schizophrenic twin smaller than that of normal twin
- Mood disorders
- Unipolar mood disorder (depression)
- Symptoms
- Persistent unpleasant mood
- Feeling of helplessness
- Feeling of hopelessness
- Decreased motivation
- Decreased pleasure
- Decreased sleep (usually)
- Biological disorder
- Heritable
- Monoamine hypothesis
- Serotonin and or norepinephrine too low in depressives
- Drugs that treat depression raise monoamine activity
- Prozac, Monoamine oxidase inhibitors
- Drugs that "cause" depression lower monoamine activity
- Reserpine (blood pressure medication)
- Post-mortem studies – low levels of serotonin or norepinephrine in brain of depressive
- Bipolar mood disorder (manic depression)
- Periods of depression cycle with periods of mania
- Mania
- Persistent pleasant mood (euphoria)
- Feeling of empowerment
- Sometimes deluded
- Increased motivation
- Increased pleasure
- Decreased sleep
- Biological disorder
- Heritable
- Mechanism unknown
- Lithium therapy
- Lithium (toxin) seems to reduce mania thereby stabilizing mood.