Psychology Today US Q Find Therapist (City or Zip) Mark Rego MD: Modern World; Modern Mind How to Understand Mental Illness 3 steps toward understanding another person's experience of a mental disorder: Posted March 22, 2022 Reviewed by Ekua Hagan KEY POINTS Many depictions of mental illness in Hollywood are inaccurate. To understand it requires some effort: Understanding mental illness first requires seeing how the symptoms differ from the typical human experience_ Mental illness cannot be understood until it's seen from a personal perspective as well as a technical one