Dissociative, Schizophrenia, and Personality Disorders Module 29.
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Transcript of Dissociative, Schizophrenia, and Personality Disorders Module 29.
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Dissociative, Schizophrenia, and
Personality Disorders
Module 29
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Dissociative Disorders Types
• Disorders in which the sense of self has become separated (dissociated) from previous memories, thoughts, or feelings
• Three main types:
– Dissociative Amnesia
– Dissociative Fugue
– Dissociative Identity Disorder
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Dissociative Dissociative Amnesia Fugue
• A dissociative disorder characterized by loss of memory in reaction to a traumatic event
• Example: soldiers in combat
• 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 Identity Disorder
• A rare and controversial dissociative disorder in which an individual experiences two or more distinct and alternating personalities
• Formerly called multiple personalities• Personalities can be different ages, sex,
and self perception of characteristics– EX: Hershel Walker
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Schizophrenia
• A 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
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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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Delusions
• False beliefs of schizophrenia and other serious psychological disorders
• Four major types of delusions:
– Grandeur
– Persecution
– Sin or guilt
– Influence
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4 Types of Delusions
• Grandeur – False beliefs that a
person is more important than they really are
– Patients may believe they are a famous person (e.g. Napoleon)
• Sin or guilt– False beliefs that the
person is responsible for some misfortune
• Persecution– False beliefs that people
are out to get the person– Believe they are being
followed, the phone is wiretapped, etc.
• Influence– False beliefs of being
controlled by outside forces
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Hallucinations
• False perceptions 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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Types of Schizophrenia
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Paranoid CatatonicSchizophrenia Schizophrenia• Characterized by
delusions, especially grandeur and persecution.
• Auditory and other hallucinations support the delusions.
• 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 Undifferentiated Schizophrenia Schizophrenia
• Characterized by bizarre behavior, delusions, and hallucinations.
• Very disturbed thought and language (word salad)
• 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 Disorders:
Causes
Module 29: Dissociative, Schizophrenia, and Personality Disorders
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Biological Factors - Genetics
• Schizophrenia tends to run in families.
• Genetics appears to produce a predisposition (increased likelihood) to develop 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 – 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
Module 29: Dissociative, Schizophrenia, and Personality Disorders
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Personality Disorders
• Psychological disorders characterized by inflexible 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 Related to Anxiety
Module 29: Dissociative, Schizophrenia, and Personality Disorders
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Avoidant Dependent Personality Disorder Personal. Dis.• So sensitive about
being rejected that personal relationships become difficult
• 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
Module 29: Dissociative, Schizophrenia, and Personality Disorders
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Paranoid Schizoid Personality Disorder Personal. Dis.
• Shows deep distrust of other people, which gets in the way of personal relationships
• Different than paranoid schizophrenia
• 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
Module 29: Dissociative, Schizophrenia, and Personality Disorders
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Borderline Antisocial Personality Disorder Personal. Dis.• Exhibit instability of
emotions, self-image, behavior, and relationships
• Shows absolutely no concern for the rights or feelings of other people
• Has no conscience and shows no remorse
• Also known as psychopathic or sociopathic personality disorder
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Are YOU A Psychopath
• This is a story about a girl.
While at the funeral of her own mother, she met a guy whom she did not know. She thought this guy was amazing, so much the dream guy that she was searching for that she fell in love with him immediately. However, she never asked for his name or number and afterward could not find anyone who knew who he was.
• A few days later the girl killed her own sister.
• Question: Why did she kill her sister?
• First, find your own answer to this question.
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Answer
• Answer: She reasoned that if the guy appeared at her mother's funeral, then he might appear another family funeral.
• If you answered this correctly, you think like a psychopath. This was a test by a famous American psychologist used to test if one has the same mentality as a killer. Many arrested serial killers took part in this test and answered correctly.