Chapter 12. What is Psychological Disorder? What is Psychological Disorder? Psychological Disorders

Transcription

1 Chapter 12 Psychological Disorders This multimedia product and its contents are protected under copyright law. The following are prohibited by law: Any public performance or display, including transmission of any image over a network; Preparation of any derivative work, including the extraction, in whole or in part, of any images Any rental, lease or lending of the program. ISBN: What is Psychological Disorder? The medical model takes a disease view, while psychology sees psychological disorder as an interaction of biological, cognitive, social, and behavioral factors What is Psychological Disorder? Psychopathology Any pattern of emotions, behaviors, or thoughts inappropriate to the situation and leading to personal distress or the inability to achieve important goals Synonymous terms include: Mental illness Mental disorder Psychological disorder 1

2 What is Psychological Disorder? Three classic signs suggest severe psychological disorder Hallucinations Delusions Severe affective disturbances Indicators of Abnormality Other signs of a disorder are more subtle, and a diagnosis depends heavily on clinical judgment Distress Irrationality Unconventionality and undesirable behavior Maladaptiveness Unpredictability Changing Concepts of Psychological Disorder: The Cognitive-Behavioral Approach Behavioral perspective Abnormal behaviors can be acquired through behavioral learning operant and classical conditioning Cognitive perspective Abnormal behaviors are influenced by mental processes how people perceive themselves and their relations with others 2

3 The Biopsychology of Mental Disorder Although most psychologists have reservations about the medical model, the do not deny the influence of biology on thought and behavior How are Psychological Disorders Classified? The most widely used system, found in the DSM- IV, classifies disorders by their mental and behavioral symptoms Overview of DSM-IV Classification System DSM-IV Fourth edition of the Diagnostic and Statistical Manual of Mental Disorders; the most widely accepted classification system in the United States Neurotic disorder or neurosis Psychotic disorder or psychosis In multiaxial diagnosis, professionals look at the entire person, not just their abnormal behavior 3

4 Mood Disorders Major depression Form of depression that does not alternate with mania Seasonal affective disorder (SAD) Believed to be caused by deprivation of sunlight Bipolar disorder Mental abnormality involving swings of mood from mania to depression Anxiety Disorders Generalized anxiety disorder Characterized by persistent and pervasive feelings of anxiety, without any external cause Panic disorder Marked by panic attacks that have no connection to events in a person s present experience Agoraphobia Fear of public places/open spaces Anxiety Disorders Phobias A group of anxiety disorders involving a pathological fear of a specific object or situation Preparedness hypothesis Notion that we have an innate tendency, acquired through natural selection, to respond quickly and automatically to stimuli that posed a survival threat to our ancestors 4

5 Anxiety Disorders Obsessive-compulsive disorder Condition characterized by patterns of persistent, unwanted thoughts and behaviors Somatoform Disorders Somatoform disorders Psychological problems appearing in the form of bodily symptoms or physical complaints Conversion disorder Somatoform disorder marked by paralysis, weakness, or loss of sensation, but with no discernable physical cause Somatoform Disorders Glove Anesthesia 5

6 Somatoform Disorders Hypochondriasis Somatoform disorder involving excessive concern about health and disease Disorders disorders Group of pathologies involving fragmentation of the personality amnesia Depersonalization disorder fugue identity disorder Disorders amnesia fugue Depersonalization disorder A psychologically induced loss of memory for personal information identity disorder 6

7 Disorders amnesia fugue Depersonalization disorder identity disorder amnesia with the addition of flight from one s home, family, and job Disorders amnesia Fugue Depersonalization disorder identity disorder Abnormality involving the sensation of mind and body having separated Disorders amnesia Fugue Depersonalization disorder identity disorder Condition in which the individual displays multiple identities 7

8 Eating Disorders Anorexia nervosa Eating disorder involving persistent loss of appetite that endangers an individual s health stemming from psychological reasons rather than organic causes Bulimia Eating disorder characterized be eating binges followed by purges, induced by vomiting or laxatives; typical initiated as a weight-control measure Schizophrenic Disorders Schizophrenia Psychotic disorder involving distortions in thoughts, perceptions, and/or emotions Major Types of Schizophrenia Disorganized Catatonic Paranoid Undifferentiated Residual Positive Negative 8

9 Major Types of Schizophrenia Disorganized Catatonic Paranoid Undifferentiated Features incoherent speech, hallucinations, delusions, and bizarre behavior Residual Type Major Types of Schizophrenia Disorganized Catatonic Paranoid Involves stupor or extreme excitement Undifferentiated Residual Type Major Types of Schizophrenia Disorganized Catatonic Paranoid Undifferentiated Residual Type Prominent feature: combination of delusions and hallucinations 9

10 Major Types of Schizophrenia Disorganized Catatonic Paranoid Undifferentiated Residual Type Persons displaying a combination of symptoms that do not clearly fit in one of the other categories Major Types of Schizophrenia Disorganized Catatonic Paranoid Undifferentiated Residual Type Individuals who have had a past episode of schizophrenia but are free of symptoms Major Types of Schizophrenia Positive Schizophrenia Negative Schizophrenia Any form in which the person displays active symptoms (e.g. delusions, hallucinations) 10

11 Major Types of Schizophrenia Positive Schizophrenia Negative Schizophrenia Any form distinguished by deficits, such as withdrawal and poverty of thought processes Possible Causes of Schizophrenia Evidence for the causes of schizophrenia has been found in a variety of factors including genetics, abnormal brain structure, and biochemistry Diathesis-stress hypothesis Genetic factors place the individual at risk, but environmental stress factors transform this potential into an actual schizophrenic disorder Personality Disorders Personality disorders Conditions involving a chronic, pervasive, inflexible, and maladaptive pattern of thinking, emotion, social relationships, or impulse control 11

12 Personality Disorders Narcissistic personality disorder Characterized by a grandiose sense of self-importance, a preoccupation with fantasies of success and power, and a need for constant attention Personality Disorders Antisocial personality disorder Characterized by a long-standing pattern of irresponsible behavior indicating a lack of conscience and a diminished sense of responsibility to others Personality Disorders Borderline personality disorder An unstable personality given to impulsive behavior 12

13 Adjustment Disorders and Other Conditions That May Be a Focus of Clinical Attention Mild depression Physical complaints Parent-child problems Bereavement Marital problems Academic problems Job problems Malingering Developmental Disorders Autism A developmental disorder marked by disabilities in language, social interaction, and the ability to understand another person s state of mind Dyslexia A reading disability, thought by some experts to involve a brain disorder Developmental Disorders Attention-deficit hyperactivity disorder A developmental disability involving short attention span, distractibility, and extreme difficulty in remaining inactive for any period 13

14 Shyness Shyness, a distressing pattern of avoiding or withdrawing from social contact is treatable, but it is not a DSM-IV disorder What are the Consequences of Labeling People? Ideally, accurate diagnoses lead to proper treatments, but diagnoses may also become labels that depersonalize individuals and ignore the social and cultural contexts in which their problems arise The Plea of Insanity Insanity A legal term, not a psychological or psychiatric one, referring to a person who is unable, because of a mental disorder or defect, to confirm his or her behavior to the law 14

15 End of Chapter 12 15