PSYC 1010 Chapter Notes - Chapter 15: Posttraumatic Stress Disorder, Dissociative Identity Disorder, Generalized Anxiety Disorder

• School: York University
• Department: Psychology
• Course: PSYC 1010
• Professor: Myriam Mongrain

Document Summary

The medical model proposes that it is useful to think of abnormal behaviour as a disease. In making the diagnoses clinicians rely on different criteria: deviance their behaviour differs from what their society considers acceptable, maladaptive behaviour people are judged to have a psychological disorder because their everyday adaptive behaviour is impaired. This is seen in substance-use disorder: personal distress- based on indiviuals report of great personal distress. The dsm-5 is the official psychodiagnostic classification system. Comorbidity the coexistence of two or more disorders. The prevalence of psychological disorders epidemiology the study of the distribution of mental or physical disorders in a population. In epidemiology, prevalence refers to the percentage of a population that exhibits a disorder during a specified time period. Across all of north america, the most common types of psychological disorders are (1) substance (alcohol and drugs) use disorders, (2) anxiety disorders, and (3) mood disorders.