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Cards In This Set
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Models of psychopathology
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Casual Model
Multidimensional Casual model. |
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Casual Model
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An explanation as to why something happens. These models can be uni dimensional or multidimensional .
Examples Depression= a chemical imbalance Phobias are learned. |
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Multidimensional casual model---
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Use a systematic perspective: any specific cause of a psychological disorder cannot be considered out of context because of its components affect each other.
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Context:
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Both the biological and behavior of a person as well as his/her cognitive, emotional, social, and cultural environment.
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Genes
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Made up of DNA basic physical units of heredity that appear as locations on chromosomes.
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Genetic Disorders--- (2)
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1, Huntingtons chorea-- A genetic degenerative brain disease that appears in the early to middle age 40. Basla gangila deteriorates. symptoms include broad changes in personality, cognitive function and motor behavior.
2. Phenylketonuria-- (PKU)A genetic defect that cuase an inablitiy to metabolize phenylalanine. Causes mental retardation |
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Heritability--
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The amount of population variance in a trait or behavior due to genetic influences.
IQ scores 30% to 70%Personality Traits 30% to 50% Schizophrenia <50% |
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Concordance-
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When both twins share a particular trait.
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Serotonin- (5 HT)
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Information processing, coordination of motor activities, inhibition and constraint, regulation of eating, sexual and aggressive behavior.
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GABA- Gamma Aminobutyric Acid.
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Inhabits a wide range of behaviors and emotions but major effect on generalized anxiety. also relaxes muscles.
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Norepinephrine--
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May be related to panic and depression.
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Dopamine--
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Implicated in schizophrenia. Dopamine is associated with exploratory, outgoing, pleasure seeking behaviors.
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Psychosocial dwarfism-- Kasper-Hauser Syndrome.
Psychosocial infulences on Brain structure and function. |
The stunting of intellectual, emotional, and social growth, as well as physical growth and maturation due to abuse.
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Psychosocial influences on the brain--
Greenough et al. Studies with rats. |
Rats with enriched environment had many more connections between nerve ells in the cerebellum and grow more dendrites than standard environment rats
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Behavioral and cognitive influences::-- Conditioning:
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Classical conditioning Operant Conditioning
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