NOTES_Lec 2 (Ch 2 Theories)

NOTES_Lec 2 (Ch 2 Theories) - Theories of Abnormality...

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Theories of Abnormality Chapter 2
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Why care about theories? How much can be explained by your biology ? How important are our early childhood experiences & unconscious motivations ? Do we act the way we do because we have learned to? How important are thoughts and beliefs ? What role does my family play?
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What is a “Model”? Theoretical viewpoints Guidelines for: Understanding behavior Evaluating behavior Treating behavior problems
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Three Major Approaches Biological Psychological Social/Interpersonal
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Vulnerability-Stress Model Integrated model view Person carries “vulnerability” Can experience “trigger” or “stressor” Feedback effects Vulnerability + Trigger = Disorder
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Biological Theories Assumption: Abnormal behavior has organic causes, and can often be explained through biochemistry and genes
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Biological Theories Three biological sources can account for many psychological disorders: Structural Damage Biochemistry Heredity
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Structural Damage Psychological disorders are caused by organic problems Phineas Gage Primary areas: cerebral cortex hypothalamus limbic system
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Biochemistry Chemical imbalance causes problems Neurotransmitter Theories Reuptake, degradation, receptor functions Primary Neurotransmitters: Serotonin: Dopamine: Norepinephrine: GABA:
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Biochemistry, cont’d ___________ : study of the effects of drugs on psychological symptoms Drugs often helpful in treating mental illnesses Schizophrenia : Antipsychotics Affective disorders : Lithium Depression : Tricyclics, MAO inhibitors Anxiety disorders : Anxiolytics Drugs seem to work by ___________ neurotransmitter activity/levels
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Genetics Disordered genes lead to mental disorder: Genotype: Phenotype: Family Studies: genetic transmission Twin Studies: MZ, DZ, concordance Adoption Studies: genetics & enviroment?
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Psychological Theories Psychodynamic Behavioral Cognitive Humanistic
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Psychodynamic Theories Assumption: Abnormal behavior is determined by unconscious psychological forces and conflicts
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Psychodynamic Theory Viennese neurologist Sigmund Freud Hypnosis: Psychoanalysis: - theory of personality & psychopathology -method of investigating the mind -form of treatment for psychopathology
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Personality Two basic driving forces: energy to be released - sexual (libido) - aggressive ID: EGO: SUPEREGO:
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_______________ _ Trauma’s/anxieties  are threatening… repress with defense  mechanisms… 
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This note was uploaded on 09/09/2008 for the course PSY 3014 taught by Professor Salley during the Spring '08 term at VCCS.

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NOTES_Lec 2 (Ch 2 Theories) - Theories of Abnormality...

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