1. Conversion disorder (E) – A rare somatoform disorder in which a person experiences very specific genuine physical symptoms for which no physiological basis can be found.

2. Schizophrenia (W) – A group of severe disorders characterized by disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions and actions.

3. Personality disorders (R) – Psychological disorders characterized by inflexible and enduring behavior patterns that impair social functioning.

4. Delusions (F) – False beliefs, often of persecution or grandeur, that may accompany psychotic disorders.

5. Antisocial personality disorder (A) – A personality disorder in which the person (usually a man) exhibits a lack of conscience for wrongdoing, even toward friends and family members. May be aggressive and ruthless or a clever con artist.

6. Obsessive-compulsive disorder (Q) – An anxiety disorder characterized by unwanted repetitive thoughts and/or actions.

7. Dissociative identity disorder (H) – A rare dissociative disorder in which a person exhibits two or more distinct and alternating personalities.

8. Mood disorders (O) – Psychological disorders characterized by emotional extremes.

9. Hypochondriasis (K) – A somatoform disorder in which a person interprets normal physical sensations as symptoms of a disease.

10. Post-traumatic stress disorder (U) – An anxiety disorder characterized by haunting memories, nightmares, social withdrawal, jumpy anxiety, and/or insomnia that lingers for four weeks or more after a traumatic experience.

11. Generalized anxiety disorder (J) – An anxiety disorder in which a person is continually tense, apprehensive, and in a state of autonomic nervous system arousal.

12. Panic disorder (R) – An anxiety disorder marked by unpredictable minutes-long episodes of intense dread in which a person experiences terror and accompanying chest pain, choking, or other frightening sensations.

13. Anxiety disorders (B) – Psychological disorders characterized by distressing, persistent anxiety, or maladaptive behaviors that reduce anxiety.

14. Mania (M) – A mood disorder marked by a hyperactive, wildly optimistic state.

15. Bipolar disorder (D) – A mood disorder in which the person alternates between the hopelessness and lethargy of depression and the overexcited state of mania.

16. Major depressive disorder (L) – A mood disorder in which a person experiences, in the absence of drugs or a medical condition, two or more weeks of significantly depressed moods, feelings of worthlessness, and diminished interest or pleasure in most activities.

17. Phobia (S) – An anxiety disorder marked by a persistent, irrational fear and avoidance of a specific object, activity, or situation.

18. Post-traumatic growth (T) – Positive psychological changes as a result of struggling with extremely challenging circumstances and life crises.

19. Medical model (N) – The concept that diseases, in this case psychological disorders, have physical causes that can be diagnosed, treated, and in most cases cured, often through treatment in a hospital.

20. Dissociative disorders (G) – Disorders in which conscious awareness becomes separated from previous memories, thoughts, and feelings.

21. Psychological disorders (V) – Deviant, distressful, and dysfunctional patterns of thoughts, feelings, or behaviors.

22. Attention-deficit hyperactivity disorder (C) – A psychological disorder marked by the appearance by age 7 of one or more of three key symptoms: extreme inattention, hyperactivity, and impulsivity.

23. Medical model (N) – The concept that diseases have physical causes that can be diagnosed, treated, and cured.

24. DSM-V (I) – The American Psychiatric Association’s system for classifying psychological disorders.

25. Somatoform disorder (X) – A psychological disorder in which the symptoms take a somatic form without apparent physical cause.