Organic psychotic is a major mental problem that is biological and physical organic and has good prognosis. Functional psychotic is the major mental illness that has psychological original and adhension prognosis.

The notes discuss several concepts related to mental illness:

• Organic Psychotic: This refers to a major mental problem that has a biological and physical organic cause.
• Functional Psychotic: This is described as a major mental illness with a psychological origin and a poor prognosis.
• Classification of Mental Illness: The notes state that the details, explanation, and classification of mental illness are explained by DSM-IV-TR (Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision).
• Definition of Mental Illness/Disorder: It is defined as a condition that is primarily psychological and affects behavior. In its full-blown state, it is associated with stress or an impairment in social function.
• Psychoanalytic Model (Sigmund Freud): This model focuses on internal factors that affect the human being.
• Critique of Mental Illness Classification: The notes mention an argument (attributed to "Peaseacher" or similar) that mental illness is only considered an illness if there are demonstrable physical lesions. However, it is argued that mental symptoms are subjective and dependent on social and cultural norms, not solely on physical systems.