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Schizophrenia

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Schizophrenia Schizophrenia Presentation Transcript

  • Schizophrenia
    Chapter 12
  • Schizophrenia
    Schizophrenia- a group of severe disorders characterized by disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions or actions
  • Disorganized Thinking, Disturbed Perceptions, and Inappropriate emotions
    Disorganized Thinking- delusions (false beliefs) often of persecution or grandeur
    spill out words that are not there
    Disturbed Perceptions- hallucinations
    See, taste, feel, smell things that are not there
    Usually they hear voices that make insulting remarks or give them orders
  • Continued
    Inappropriate Emotions or Actions
    Show opposite emotions than would be normal
    Flat effect- no apparent feelings or actions
    Perform senseless acts-continually rocking, rubbing their arms, others remain motionless for hours (catatonia)
  • Positives and Negative Symptoms
    • Negative Symptoms- actions and feelings are absent when they should be there
    • No expressions on their face
    • Positive symptoms- inappropriate behaviors are present
    Hallucinations
    Talking is disorganized
    Laugh or cry at inappropriate times
  • Facts
    0 10 20 30 40 50
    Identical
    Both parents
    Fraternal
    One parent
    Sibling
    Nephew or niece
    Unrelated
    1 in 100 people develop Schizophrenia
    Usually strikes in early adulthood
    Men usually get it more often than women
  • Abnormal Brain Activity
  • Theories
    Disease of the brain- abnormal brain tissue
    Excess number of dopamine receptors
    Drugs that block dopamine receptors often help symptoms
    Viral infection of a fetus
    Famine during pregnancy
  • Theories
    Low birth rate or lack of oxygen
    Mother was exposed to the flu when she was pregnant
    Could be biological (inherited)