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Module 30: Anxiety and Mood Disorders Objectives: 1. Define anxiety and describe the different types of anxiety disorders. 2. Discuss the biological factors and the learning factors that may contribute to anxiety disorders. 3. Describe the different types of mood disorders. 4. Discuss the biological factors and the social-cognitive factors that may contribute to mood disorders. Vocabulary: anxiety generalized anxiety disorder panic disorder phobia obsessive-compulsive disorder posttraumatic stress disorder major depressive disorder bipolar disorder A. Anxiety Disorders Anxiety and Anxiety Disorders •Anxiety: Vague feeling of apprehension or nervousness •Anxiety disorder: where anxiety begins to take control and dominate a person’s life Types of Anxiety Disorders •Anxiety disorders are divided into: –Generalized Anxiety Disorder –Panic Disorder –Phobia –Obsessive-Compulsive Disorder –Posttraumatic Stress Disorder Generalized Anxiety Disorder •An anxiety disorder characterized by disruptive levels of persistent, unexplained feelings of apprehension and tenseness Symptoms of Generalized Anxiety •Must have at least three of the following: –Restlessness –Feeling on edge –Difficulty concentrating/mind going blank –Irritability –Muscle Tension –Sleep Disturbance Panic Disorder •An anxiety disorder characterized by sudden bouts of intense, unexplained anxiety •Often associated with physical symptoms like choking sensations or shortness of breath •Panic attacks may happen several times a day Phobia •An anxiety disorder characterized by disruptive, irrational fears of specific objects or situations •The fear must be both irrational and disruptive. Social Phobia •Phobias which produce fear in social situations •Fear of speaking in public Agoraphobia •Fear of situations the person views as difficult to escape from •Fear of leaving one’s home or room in the house Obsessive-Compulsive Disorder •An anxiety disorder characterized by unwanted, repetitive thoughts and actions •Obsessions – repetitive thoughts •Compulsions – repetitive actions •The obsessions/compulsions begin to take control of the person’s life. Posttraumatic Stress Disorder •An anxiety disorder characterized by reliving a severely upsetting event in unwanted recurring memories (flashbacks) and dreams Biological Factors •Hereditary factors may result in a predisposition for developing anxiety disorders •Brain functions appear to be different in an anxiety disorder patient •Evolutionary factors may lead to anxiety disorders. Learning Factors •Through classical conditioning people may associate fear with an object. •Observational learning--watching another experiencing fearfulness--may result in developing fear. •Fear of an object may be reinforced when by avoiding the feared objects. B. Mood Disorders Mood Disorders •Classification of disorders where there is a disturbance in the person’s emotions •Major types of mood disorders include: –Major Depressive Disorder –Bipolar Disorder –Dysthymic Disorder Mania •Period of abnormally high emotion and activity Depression •Extended period of feeling sad, listless, and drained of energy Major Depressive Disorder •A mood disorder in which a person, for no apparent reason, experiences at least two weeks of –depressed moods, –diminished interest in activities, and –other symptoms, such as feelings of worthlessness Bipolar Disorder •A mood disorder in which the person alternates between the hopelessness of depression and the overexcited and unreasonably optimistic state of mania •Formerly called manic-depressive disorder •Many times will follow a cyclical pattern Causes of Mood Disorders Biological Factors •Mood disorders have a hereditary nature to them. •Depressed individuals tend to have depressed brains. –PET scans indicate less activity during periods of depression. Heredity and Depression Social-Cognitive Factors •Depression may be a variation of learned helplessness. •Depressed individuals attribute events using the following characteristics: –Stable: the bad situation will last for a long time –Internal: they are at fault –Global: all of life is bad