Dissociative, Schizophrenia, and Personality Disorders.
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Transcript of Dissociative, Schizophrenia, and Personality Disorders.
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Dissociative, Schizophrenia, and
Personality Disorders
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Dissociative Disorders
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Dissociative Disorders
• Disorders in which the sense of self has become separated (dissociated) from previous memories, thoughts, or feelings
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Types of Dissociative Disorders
• Three main types:
– Dissociative Amnesia
– Dissociative Fugue
– Dissociative Identity Disorder
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Dissociative Disorders
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Dissociative Disorders:
Dissociative Amnesia
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Dissociative Amnesia
• A dissociative disorder characterized by loss of memory in reaction to a traumatic event
• Example: soldiers in combat
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Dissociative Disorders:
Dissociative Fugue
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Dissociative Fugue
• A dissociative disorder characterized by loss of identity and travel to a new location
• The person may develop a new identity and begin a new life.
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Dissociative Disorders:
Dissociative Identity Disorder
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Dissociative Identity Disorder
• Rare and controversial dissociative disorder in which an individual experiences two or more distinct and alternating personalities
• Formerly called multiple personalities
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Dissociative Identity Disorder• Personalities can be different ages, sex,
and self perception of characteristics
• Three Faces of Eve
• Sybil
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Dissociative Identity Disorder
• Insert “Multiple Personality Disorder” Video #31 from Worth’s Digital Media Archive for Psychology.
• Instructions for importing the video file can be found in the ‘Readme’ file on the CD-ROM.
• This same clip is on the Brain Series.
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Dissociative Identity Disorder
• Play “Multiple Personality” (9:00) Module #23 from The Brain: Teaching Modules (2nd edition).
• This same clip is on the Worth Digital Media Archive CD-ROM.
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Schizophrenia Disorders
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Schizophrenia
• Group of severe disorders characterized by disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions and actions
• Is not one disorder but a family of disorders• Is not “split personality”• Occurs in about 1% of the population• Develops in late teens/early adulthood
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Schizophrenia
• Play “Schizophrenia: Symptoms” (5:39) Module #26 from The Brain: Teaching Modules (2nd edition).
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Schizophrenia Disorders:
Symptoms of Schizophrenia
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Symptoms of Schizophrenia
• Symptoms of schizophrenia include:
– Delusions (false beliefs)
– Hallucinations (false perceptions)
– Inappropriate emotions or behaviors
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Symptoms of Schizophrenia
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Delusions
• False beliefs that are symptoms of schizophrenia and other serious psychological disorders
• Four major types of delusions:
– Grandeur
– Persecution
– Sin or guilt
– Influence
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Delusions of Grandeur
• False beliefs that a person is more important than they really are
• Patients may believe they are a famous person (e.g. Napoleon)
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Delusions of Persecution
• False beliefs that people are out to get the person
• Believe they are being followed, the phone is wiretapped, etc.
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Delusions of Sin or Guilt
• False beliefs that the person is responsible for some misfortune
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Delusions of Influence
• False beliefs of being controlled by outside forces
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Hallucinations
• False perceptions that are symptoms of schizophrenia or other serious psychological disorders
• Types of hallucinations:
– Auditory (hearing voices)
– Visual (seeing things)
– Tactile (feeling skin sensations)
• Can also have distorted smell and taste
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Inappropriate Emotions/Behaviors
• Flat affect – showing little or no emotional response
• Word salad – nonsense talk
• Waxy flexibility – the person’s arms and legs will remain in place after being moved there
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Schizophrenia Disorders:Types of
Schizophrenia
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Types of Schizophrenia
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Paranoid Schizophrenia
• Characterized by delusions, especially grandeur and persecution. Auditory and other hallucinations support the delusions.
A Beautiful Mind
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Catatonic Schizophrenia
• Characterized by variations in voluntary movement
• Catatonic excitement – rapid movements with delusions and hallucinations
• Catatonic stupor – little or no activity, movement, or speech (waxy flexibility)
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Disorganized Schizophrenia
• Characterized by bizarre behavior, delusions, and hallucinations.
• Very disturbed thought and language (word salad)
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Undifferentiated Schizophrenia
• Symptoms that don’t clearly fit into one of the other types of schizophrenia but still show clear symptoms of schizophrenia
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Schizophrenia in the Real World
• Play “Cop Psychiatrists” (10:30) Segment #32 from Scientific American Frontiers: Video Collection for Introductory Psychology (2nd edition).
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Schizophrenia Disorders:
Causes
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Schizophrenia
• Play “Schizophrenia: Etiology” (14:45) Module #27 from The Brain: Teaching Modules (2nd edition).
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Biological Factors - Genetics
• Schizophrenia tends to run in families.
• Genetics appears to produce a predisposition (increased likelihood) to develop schizophrenia.
Genain Quadruplets
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Genetics and Schizophrenia
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Biological Factors – Brain Structure
• Brain structure of those with schizophrenia is different than the normal brain
• Those with schizophrenia have smaller amounts of brain tissue and larger fluid filled spaces.
• The thalamus is smaller in those with schizophrenia.
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Biological Factors – Brain Function
• The brain of those with schizophrenia operates differently than the normal brain.
• The frontal lobes show less activity.
• Those with schizophrenia have a larger number of receptor sites for the neurotransmitter dopamine.
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Biological Factors – Brain Function
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Schizophrenia
• Insert “The Schizophrenic Brain” Video #29 from Worth’s Digital Media Archive for Psychology.
• Instructions for importing the video file can be found in the ‘Readme’ file on the CD-ROM.
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Biological Factors – Prenatal Viruses
• A viral infection during the middle of pregnancy may increase schizophrenia risk.
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Psychological Factors
• Two main areas:
– Stress
– Disturbed family
– It’s unclear whether these are causes or consequences of schizophrenia.
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Personality Disorders
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Personality Disorders
• Psychological disorders characterized by rigid and lasting behavior patterns that disrupt social functioning
• Divided into three clusters:
– Related to anxiety
– With odd and eccentric behaviors
– With dramatic or impulsive behaviors
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Personality Disorders
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Personality Disorders Related to Anxiety
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Avoidant Personality Disorder
• So sensitive about being rejected that personal relationships become difficult
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Dependent Personality Disorder
• Behave in clingy, submissive ways and displays a strong need to have others take care of them
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Personality Disorders with Odd or Eccentric
Behaviors
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Paranoid Personality Disorder
• Shows deep distrust of other people, which gets in the way of personal relationships
• Different than paranoid schizophrenia
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Schizoid Personality Disorder
• Is detached from social relationships
• Are true hermits, preferring life alone and avoiding intimate interactions at all costs
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Personality Disorders with Dramatic or
Impulsive Behaviors
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Borderline Personality Disorder
• Exhibit instability of emotions, self-image, behavior, and relationships
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Antisocial Personality Disorder
• Personality disorder in which the person shows a lack of conscience for wrongdoing
• Shows no respects for the rights others• Usually male• Also known as psychopathic or
sociopathic personality disorder• The Ice Man
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The Antisocial Personality Disorder
• Insert “The Mind of the Psychopath” Video #30 from Worth’s Digital Media Archive for Psychology.
• Instructions for importing the video file can be found in the ‘Readme’ file on the CD-ROM.
• This video clip is also part of The Mind series segment.
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The Mind of the Psychopath
• Play “The Mind of the Psychopath” (18:39) Segment #35 from The Mind: Psychology Teaching Modules (2nd edition).
• Parts of this video clip are included in the Worth Digital Media Archive CD-ROM.