Schizophrenia

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Schizophrenia

  1. 1. Chapter 12
  2. 2.  Schizophrenia- a group of severe disorders characterized by disorganized and delusional thinking, disturbed perceptions, and inappropriate emotions or actions
  3. 3.  DisorganizedThinking- 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
  4. 4.  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)
  5. 5.  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
  6. 6.  1 in 100 people develop Schizophrenia  Usually strikes in early adulthood  Men usually get it more often than women 0 10 20 30 40 50 Identical Both parents Fraternal One parent Sibling Nephew or niece Unrelated
  7. 7.  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
  8. 8.  Low birth rate or lack of oxygen  Mother was exposed to the flu when she was pregnant  Could be biological (inherited)

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