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Welcome! 02-18-2010 Learning Objectives: Understand the various aspects of schizophrenia as well as the brain & genetic factors. Know what anti- social personality disorder is. 16, 17, 18, 19, 20, 21 and 22. Read pgs. 669-682
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Schizophrenia Disorganized thinking, delusions, disturbed perceptions, inappropriate emotions and actions.
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Delusions Hallucinations False beliefs- not part of the person's culture believed even after proven wrong may appear bizarre, or claim that they’re being persecuted When a person sees, hears, smells, or feels what no one else can see, hear, smell, or feel. "Voices" are the most common. Symptoms
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Disorganized Thinking Emotions & Actions Trouble organizing & linking thoughts Word Salad Sentences with no meaning, distracted by everything. “Colorless green ideas sleep furiously” Express wrong/inappropriate emotion or no emotion at all. Catatonic Person does not move or respond for hours Symptoms
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Positive-Presence Negative-None Hallucinations Unsuitable emotions Word Salad Disorganized thoughts Toneless voice Expressionless face Catatonic or rigid body Subtypes
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Recovery Chances Better, because medication can help with: Positive symptoms Acute schizophrenia Worse for: Negative symptoms Chronic schizophrenia
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The Brain Dopamine- 6x as many receptors, which intensifies positive symptoms. Ventricles are larger & they tend to have less gray matter.
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Prenatal Influences If the mom-to-be: Lives in a country with a flu epidemic Gave birth in the months following fall-winter flu season Experiences the flu Lives a highly populated area Then: There’s a higher risk to the child for schizophrenia.
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Genetics Environmental Normally: 1 in 100 Parent/sibling: 1 in 10 Twins: 1 in 2 There are none. No single environmental factor alone even remotely produces schizophrenia in someone. Factors
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Predictive Behavior Mother with severe or long lasting schizophrenia Birth complications Separation from parents Short attention span & poor muscle coordination Disruptive or withdrawn behavior Emotionally unpredictable Poor peer relations & solo playing
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Personality Disorders Persistent behavior pattern that impairs social functioning Antisocial Personality Disorder- a person displays a lack of conscience for wrong doings (even for family and friends). Even before age 15, begin lying, stealing, displaying, unrestrained sexual behaviors.
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Genetics and Factors Genetically vulnerable because of: fearless approach to life, have lower levels of stress or anxiety, reduced activity or tissue in the frontal lobe. 2 Main Factors: childhood mal- treatment & a gene that alters the neurotransmitter balance. Some are predisposed to be more sensitive to maltreatment.
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Predictors Unconcerned with social rewards Impulsive Uninhibited Low in anxiety BUT, it can be channeled for good- ex.) a surgeon.
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