Ch16 ppt

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Ch16 ppt

  1. 1. Myers’ PSYCHOLOGY (7th Ed) Chapter 16 Psychological Disorders James A. McCubbin, PhD Clemson University Worth Publishers
  2. 2. Psychological Disorders  Psychological Disorder  a “harmful dysfunction” in which behavior is judged to be:  atypical--not enough in itself  disturbing--varies with time and culture  maladaptive--harmful  unjustifiable--sometimes there’s a
  3. 3. Historical Perspective  Perceived Causes  movements of sun or moon  lunacy--full moon  evil spirits  Ancient Treatments  exorcism, caged like animals, beaten, burned, castrated, mutilated, blood replaced with animal’s blood
  4. 4. Psychological Disorders  Medical Model  concept that diseases have physical causes  can be diagnosed, treated, and in most cases, cured  assumes that these “mental” illnesses can be diagnosed on the basis of their symptoms and cured through therapy, which may include treatment in a psychiatric hospital
  5. 5. Psychological Disorders  Bio-Psycho-Social Perspective  assumes that biological, sociocultural, and psychological factors combine and interact to produce psychological disorders
  6. 6. Psychological Disorders
  7. 7. Psychological Disorders--Etiology  DSM-IV  American Psychiatric Association’s Diagnostic and Statistical Manual of Mental Disorders (Fourth Edition)  a widely used system for classifying psychological disorders  presently distributed as DSM-IV-TR (text revision)
  8. 8. Psychological Disorders- Etiology  Neurotic Disorder (term seldom used now)  usually distressing but that allows one to think rationally and function socially  Psychotic Disorder  person loses contact with reality  experiences irrational ideas and distorted perceptions
  9. 9. Anxiety Disorders  Anxiety Disorders  distressing, persistent anxiety or maladaptive behaviors that reduce anxiety  Generalized Anxiety Disorder  person is tense, apprehensive, and in a state of autonomic nervous system arousal
  10. 10. Anxiety Disorders  Panic Disorder  marked by a minutes-long episode of intense dread in which a person experiences terror and accompanying chest pain, choking, or other frightening sensation
  11. 11. Anxiety Disorders  Phobia  persistent, irrational fear of a specific object or situation  Obsessive-Compulsive Disorder  unwanted repetitive thoughts (obsessions) and/or actions (compulsions)
  12. 12. Anxiety Disorders  Common and uncommon fears
  13. 13. Anxiety Disorders
  14. 14. Anxiety Disorders  PET Scan of brain of person with Obsessive/ Compulsive disorder  High metabolic activity (red) in frontal lobe areas involved with directing attention
  15. 15. Mood Disorders  Mood Disorders  characterized by emotional extremes  Major Depressive Disorder  a mood disorder in which a person, for no apparent reason, experiences two or more weeks of depressed moods, feelings of worthlessness, and diminished interest or pleasure in most activities
  16. 16. Mood Disorders  Manic Episode  a mood disorder marked by a hyperactive, wildly optimistic state  Bipolar Disorder  a mood disorder in which the person alternates between the hopelessness and lethargy of depression and the overexcited state of mania  formerly called manic-depressive disorder
  17. 17. Mood Disorders- Depression
  18. 18. Mood Disorders- Depression  Canadian depression rates
  19. 19. Mood Disorders- Suicide
  20. 20. Mood Disorders- Bipolar  PET scans show that brain energy consumption rises and falls with emotional switches Depressed state Manic state Depressed state
  21. 21. Mood Disorders- Depression  Altering any one component of the chemistry- cognition-mood circuit can alter the others
  22. 22. Mood Disorders- Depression  The vicious cycle of depression can be broken at any point
  23. 23. Dissociative Disorders  Dissociative Disorders  conscious awareness becomes separated (dissociated) from previous memories, thoughts, and feelings  Dissociative Identity Disorder  rare dissociative disorder in which a person exhibits two or more distinct and alternating personalities  formerly called multiple personality disorder
  24. 24. Schizophrenia  Schizophrenia  literal translation “split mind”  a group of severe disorders characterized by:  disorganized and delusional thinking  disturbed perceptions  inappropriate emotions and actions
  25. 25. Schizophrenia  Delusions  false beliefs, often of persecution or grandeur, that may accompany psychotic disorders  Hallucinations  sensory experiences without sensory stimulation
  26. 26. Schizophrenia
  27. 27. Schizophrenia
  28. 28. Schizophrenia
  29. 29. Schizophrenia
  30. 30. Personality Disorders  Personality Disorders  disorders characterized by inflexible and enduring behavior patterns that impair social functioning  usually without anxiety, depression, or delusions
  31. 31. Personality Disorders  Antisocial Personality Disorder  disorder in which the person (usually man) exhibits a lack of conscience for wrongdoing, even toward friends and family members  may be aggressive and ruthless or a clever con artist
  32. 32. Mood Disorders- Depression  Boys who were later convicted of a crime showed relatively low arousal
  33. 33. Personality Disorders  PET scans illustrate reduced activation in a murderer’s frontal cortex Normal Murderer
  34. 34. Personality Disorders
  35. 35. Rates of Psychological Disorders

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