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Module 29 Dissociative, Schizophrenia, and Personality Disorders Dissociative Disorders • Disorders in which the sense of self has become separated (dissociated) from previous memories, thoughts, or feelings Types • Three main types: – Dissociative Amnesia – Dissociative Fugue – Dissociative Identity Disorder Dissociative Amnesia • A dissociative disorder characterized by loss of memory in reaction to a traumatic event • Example: soldiers in combat 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. 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 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 Symptoms of Schizophrenia • Symptoms of schizophrenia include: – Delusions (false beliefs) – Hallucinations (false perceptions) – Inappropriate emotions or behaviors Delusions • False beliefs of schizophrenia and other serious psychological disorders • Four major types of delusions: – Grandeur – Persecution – Sin or guilt – Influence 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 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 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 Types of Schizophrenia Paranoid Schizophrenia • Characterized by delusions, especially grandeur and persecution. • Auditory and other hallucinations support the delusions. 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) Disorganized Schizophrenia Undifferentiated Schizophrenia • Characterized by • Symptoms that don’t bizarre behavior, clearly fit into one of delusions, and the other types of hallucinations. schizophrenia but still show clear • Very disturbed symptoms of thought and language schizophrenia (word salad) Module 29: Dissociative, Schizophrenia, and Personality Disorders Schizophrenia Disorders: Causes Biological Factors - Genetics • Schizophrenia tends to run in families. • Genetics appears to produce a predisposition (increased likelihood) to develop schizophrenia. 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. 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. Biological Factors – Prenatal Viruses • A viral infection during the middle of pregnancy may increase schizophrenia risk. Psychological Factors • Two main areas: – Stress – Disturbed family – It’s unclear whether these are causes or consequences of schizophrenia. Module 29: Dissociative, Schizophrenia, and Personality Disorders Personality Disorders 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 Module 29: Dissociative, Schizophrenia, and Personality Disorders Personality Disorders Related to Anxiety Avoidant Personality Disorder Dependent Personal. Dis. • So sensitive about • Behave in clingy, being rejected that submissive ways and personal displays a strong relationships become need to have others difficult take care of them Module 29: Dissociative, Schizophrenia, and Personality Disorders Personality Disorders with Odd or Eccentric Behaviors Paranoid Personality Disorder • Shows deep distrust of other people, which gets in the way of personal relationships • Different than paranoid schizophrenia Schizoid Personal. Dis. • Is detached from social relationships • Are true hermits, preferring life alone and avoiding intimate interactions at all costs Module 29: Dissociative, Schizophrenia, and Personality Disorders Personality Disorders with Dramatic or Impulsive Behaviors Borderline Personality Disorder • Exhibit instability of emotions, self-image, behavior, and relationships Antisocial Personal. Dis. • 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 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. 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.