What is etiology and why is it important to study causes of mental illness?

  1. What is psychopathology?
  2. What is etiology and why is it important to study causes of mental illness?
  3. What are some of the early models or beliefs people held about what caused mental illness?
  4. How did the early beliefs about abnormal behavior influence the types of treatments for mental illness?
  5. How did the psychoanalytic approach contribute to the understanding of what causes mental illness?