Angela MacIsaac Chapter 14: Psychological Disorders What is a Psychological Disorder? Psychological disorder: a syndrome marked by a clinically significant disturbance in an individual’s cognition, emotion regulation, or behavior. Medical Model: 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. DSM-5 : the American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders , Fifth Edition; a widely used system for classifying psychological disorders. Anxiety Disorders, OCD and PTSD Anxiety disorders : psychological disorders characterized by distressing, persistent anxiety or maladaptive behaviors that reduce anxiety. Generalized anxiety disorder : an anxiety disorder in which a person is continually tense, apprehensive, and in a state of autonomic nervous system arousal.
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