welcome! 02-18-2010
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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. Schizophrenia. - PowerPoint PPT PresentationTRANSCRIPT
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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.
CatatonicPerson does not
move or respond for hours
Symptoms
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Positive-Presence Negative-None
HallucinationsUnsuitable
emotionsWord SaladDisorganized
thoughts
Toneless voiceExpressionless
faceCatatonic 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 BrainDopamine- 6x as many
receptors, which intensifiespositive symptoms.
Ventricles are larger & they tend to have less gray matter.
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Prenatal InfluencesIf 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 EnvironmentalNormally: 1 in 100Parent/sibling: 1
in 10Twins: 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 complicationsSeparation from parentsShort attention span &
poor muscle coordinationDisruptive or withdrawn
behaviorEmotionally unpredictablePoor 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 FactorsGenetically 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 theneurotransmitter balance. Some are predisposed to be more sensitive to maltreatment.
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Predictors
Unconcerned with social rewardsImpulsiveUninhibitedLow in anxiety
BUT, it can be channeled for good-ex.) a surgeon.