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Chapter 18 PSYCHOLOGICAL DISORDERS Section 1 WHAT ARE PSYCHOLOGICAL DISORDERS? Behavior patterns or mental process that cause serious personal suffering or interfere with a person’s ability to cope with everyday. THE FACTS Rare Suffer in silence Eccentric or a serious problem 1/3 of Americans have experienced some sort of psych disorder. IDENTIFICATION Define normal? SYMPTOMS Typicality Maladaptivity Emotional distress Violation of cultural standards behavior Exhibition of behavior harmful to self or others UNDERSTANDING, DESCRIBING, TREATING Medical as if they are diseases. Diagnosis refers to the process of distinguishing among disorders. Etiology refers to the cause or origin of a disorder. Prognosis refers to a prediction about the probable course and outcome of a disorder. Learning Due to reinforcement of abnormal behavior. UNDERSTANDING, DESCRIBING, TREATING Vulnerability-Stress interaction between biological and environmental factors. According to this model, individuals who have a biological vulnerability to a particular disorder will have the disorder only if certain environmental stressors are present. Psychodynamic result from maladaptive defenses against unconscious conflicts. ASSESSMENT Objective Testing usually pencil-and-paper standardized tests Projective Testing judgments based on a subject’s responses to ambiguous stimuli. Word association tests or the Rorschach test, in which subjects interpret a series of inkblots, are examples of projective tests CLASSIFICATION Psychologists and psychiatrists use a reference book called the Diagnostic and Statistical Manual of Mental Disorders (DSM) to diagnose psychological disorders. diagnoses are made on several different axes or dimensions. The DSM has five axes: Axis I records the patient’s primary diagnosis. Axis II records long-standing personality problems or mental retardation. Axis III records any medical conditions that might affect the patient psychologically. Axis IV records any significant psychosocial or environmental problems experienced by the patient. Axis V records an assessment of the patient’s level of functioning. NOT GUILTY BY REASON OF INSANITY PG 412 Section 2 ANXIETY DISORDERS The general state of dred or uneasiness that occurs in response to a vague or imagined danger. Anxiety is a common and normal occurrence. PHOBIC A person who has specific phobia experiences intense anxiety when exposed to a particular object or situation. The person often avoids the feared object or situation because of a desire to escape the anxiety associated with it Social Phobia: A person who has social phobia experiences intense anxiety when exposed to certain kinds of social or performance situations. As a result, the person often avoids these types of situations. PANIC/AGORAPHOBIA A person with panic disorder experiences recurrent, unexpected panic attacks, which cause worry or anxiety. During a panic attack, a person has symptoms such as heart palpitations, sweating, trembling, dizziness, chest pain, and fear of losing control, going crazy, or dying. Panic disorder can occur with or without agoraphobia. Agoraphobia involves anxiety about losing control in public places, being in situations from which escape would be difficult or embarrassing, or being in places where there might be no one to help if a panic attack occurred. TYPES OF ANXIETY DISORDERS GENERALIZED ANXIETY DISORDER experiences persistent and excessive anxiety or worry that lasts at least six months. OBSESSIVE COMPULSIVE DISORDER experiences obsessions, compulsions, or both. Obsessions are ideas, thoughts, impulses, or images that are persistent and cause anxiety or distress. A person usually feels that the obsessions are inappropriate but uncontrollable. Compulsions are repetitive behaviors that help to prevent or relieve anxiety. TYPES OF ANXIETY DISORDERS STRESS (PTSD) A person with this disorder persistently re-experiences a highly traumatic event and avoids stimuli associated with the trauma. Symptoms include increased arousal such as insomnia, irritability, difficulty concentrating, hypervigilance, or exaggerated startle response. TYPES OF ANXIETY DISORDERS BIOLOGICAL Heredity Twin studies show 45% more likely to exhibit the same disorder if the twin has it. LEARNING Childhood conditioning EXPLANATIONS PSYCHOANALYTIC Result from forbidden childhood urges that have been repressed from consciousness. COGNITIVE People make themselves feel anxious by responding negatively to most situations and coming to believe they are helpless to control what happened to them. TERRORISM AND ANXIETY PG 418 Section 3 DISSOCIATIVE DISORDERS are characterized by disturbances/ separation in consciousness, memory, identity, and perception. AMNESIA inability to remember important personal information, usually about something traumatic or painful. The memory loss is too extensive to be explained by normal forgetfulness. FUGUE May suddenly leave their homes and disappear unexpectedly. They do not remember their past and are confused about their identity. Sometimes, they may assume entirely new identities. TYPES OF DISSOCIATIVE DISORDERS IDENTITY DISORDER aspects of identity, consciousness, and memory are not integrated. Cannot remember important personal information and have two or more identities or personality states that control their behavior. Often, each of these identities has a separate name, personal history, set of characteristics, and self-image. DEPERSONALIZATION DISORDER Feelings of detachment from one’s mental processes/body. Outside of one’s body TYPES OF DISSOCIATIVE DISORDERS EXPLANATIONS Many researchers believe that severe stress plays a role in the onset of dissociative disorders. However, they cannot explain why only a small minority of people who experience severe stress develop such disorders Section 4 SOMATOFORM DISORDERS Somatoform disorder is a condition in which the physical pain and symptoms a person feels are related to psychological factors. CONVERSION condition where patients present with neurological symptoms such as numbness, paralysis, or fits, but where positive physical signs of hysteria can be found. It is thought that these problems arise in response to difficulties in the patient's life SOMATIZATION applied to patients who chronically and persistently complain of varied physical symptoms that have no identifiable physical origin. TYPES OF SOMATOFORM DISORDERS HYPOCHRONDRAISIS fears that minor bodily symptoms may indicate a serious illness, constant selfexamination and selfdiagnosis, and a preoccupation with one's body. BODY DYSMORPHIA chronic mental illness in which you can't stop thinking about a flaw with your appearance — a flaw either that is minor or that you imagine. your appearance seems so shameful and distressing that you don't want to be seen by anyone. "imagined ugliness." TYPES OF SOMATOFORM DISORDERS COGNTIVE People with these disorders may pay too much attention to bodily sensations. They may make catastrophic conclusions when they experience minor symptoms. They may have distorted ideas about good health and expect healthy people to be free of any symptoms or discomfort. EXPLANATIONS LEARNING learn to adopt a sick role because they are reinforced for being sick. Rewards that help to maintain sickness include attention and sympathy from others and avoidance of work and family challenges. Section 5 MOOD DISORDERS Significant disturbances in emotional state, which affect thinking, physical symptoms, social relationships, and behavior. MAJOR DEPRESSIVE DISORDER characterized by at least one major depressive episode. (period of at least two weeks) in which a person experiences some or all of the following symptoms: Constant sadness or irritability Loss of interest in almost all activities Changed sleeping or eating patterns Low energy Feelings of worthlessness or guilt Difficulty concentrating Recurrent thoughts about suicide * BIPOLAR DISORDERS involve at least one distinct period when a person exhibits manic symptoms. Manic symptoms include any or all of the following: Irritability Feelings of being high Decreased need for sleep Inflated self-esteem or grandiosity Fast and pressured speech Agitation Increased interest in pleasurable activities that have the potential for harmful consequences. BIOLOGICAL COGNITIVE Genetic predisposition Learned helplessness Brain structure Self blame Rumination ENVIRONMENTAL Low self-esteem Major catastrophes and personal traumas can also contribute to depression. For instance, living in a war zone, having a home destroyed by fire, suffering from a chronically painful or debilitating illness, going through a divorce, or losing a loved one can all bring on depression. EXPLANATIONS Section 6 SCHIZOPHRENIA A chronic, severe, and disabling brain disorder that affects 1% of Americans. People with psychotic disorders lose contact with reality and often have delusions or hallucinations. POSITIVE NEGATIVE unusual thoughts or perceptions, including hallucinations, delusions, thought disorder, and disorders of movement. loss or a decrease in the ability to initiate plans, speak, express emotion, or find pleasure in everyday life. COGNITIVE problems with attention, memory, and functions that allow us to plan and organize. SYMPTOMS OF SCHIZOPHRENIA PARANOID CATATONIC delusions and auditory hallucinations but relatively normal intellectual functioning and expression of affect. The delusions can often be about being persecuted unfairly or being some other person who is famous. exhibit anger, aloofness, anxiety, and argumentativeness. disturbances of movement. may keep themselves completely immobile or move all over the place. They may not say anything for hours, or they may repeat anything you say or do senselessly. behavior is putting these people at high risk because it impairs their ability to take care of themselves. TYPES OF SCHIZOPHRENIA DISORGANIZED speech and behavior that are disorganized or difficult to understand, and flattening or inappropriate emotions. may laugh at the changing color of a traffic light or at something not closely related to what they are saying or doing. behavior may disrupt normal activities, such as showering, dressing, and preparing meals. TYPES (CONTINUED) BRAIN STRUCTURE The brains of people with schizophrenia do differ structurally from the brains of normal people in several ways. For example, they are more likely to have enlarged ventricles, or fluid-filled spaces. They are also more likely to have abnormalities in the thalamus and reduced hippocampus volume. BRAIN INJURY injuries to the brain during sensitive periods of development can make people susceptible to schizophrenia later on in life. For example, researchers believe that viral infections or malnutrition during the prenatal period and complications during the birthing process can increase the later risk of schizophrenia. BIOLOGICAL EXPLANATIONS Section 7 PERSONALITY DISORDERS general term for a type of mental illness in which your ways of thinking, perceiving situations and relating to others are dysfunctional. SCHIZOID social withdrawal and restricted expression of emotions HISTRIONIC BORDERLINE involves excessive attentionseeking behavior , constant need for approval , inappropriately sexually provocative . Crave novelty and excitement they may place themselves in risky situations. impulsive behavior and unstable relationships, emotions, and self-image NARCISSISTIC exaggerated sense of importance, a strong desire to be admired, sense of entitlement, and a lack of empathy TYPES OF PERSONALITY DISORDERS AVOIDANT includes social withdrawal, low self-esteem, and extreme sensitivity to negative evaluation ANTISOCIAL TYPES (CONTINUED) characterized by a lack of respect for other people’s rights, feelings, and needs, beginning by age fifteen. People with antisocial personality disorder are deceitful and manipulative and tend to break the law frequently. lack empathy and remorse but can be superficially charming. behavior is often aggressive, impulsive, reckless, and irresponsible. has been referred to in the past as sociopathy or psychopathy. BIOLOGICAL People with this disorder may have central nervous system abnormalities that prevent them from experiencing anxiety in stressful situations. Because they feel no anxiety, they never learn to avoid behavior with negative consequences. EXPLANATIONS LEARNING Environmental factors, such as family abuse or dysfunction, also play a large role in the development of APD