This is the 1st lecture of [[Robert O. Phil]]'s [[PA Intro to Abnormal Psychology]] on [[Peterson Academy]]. The conclusions of this course are threefold: 1. The etiology—cause—of mental illnesses is unknown. 2. Treatment for mental illnesses is trial and error. 3. Attempts at implementing drugs and pharmacology have been largely unsuccessful. Course outline: 1. Definitions, prevalence, and cost 2. Models of abnormality 3. Classification 4. Methods of evaluation (Interview, testing, psychological-biological) 5. Etiological aspect (Genetic, biochemical, biological, psychological) 6. Schizophrenia 7. Dementia 8. Depression