FAP5_Lecture_Ch02

FAP5_Lecture_Ch02 - Chapter 2 Models of Abnormality Comer,...

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Comer, Fundamentals of Abnormal Psychology, 3e 1 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 Chapter 2 Models of Abnormality
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Comer, Fundamentals of Abnormal Psychology, 3e 2 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 Models of Abnormality c In science, the perspectives used to explain phenomena are known as models, or paradigms r Each provides a set of assumptions and concepts that help us explain and interpret observations r Helpful because they spell out basic assumptions and set guidelines for investigation r They influence what investigators observe, the questions they ask, the information they seek, and their interpretation of that information
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Comer, Fundamentals of Abnormal Psychology, 3e 3 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 Models of Abnormality c Historically, clinical scientists of a given time and place agreed on a single model of abnormality – a model greatly influenced by cultural beliefs c Currently, there are several competing models of abnormality r Why? Each model focuses on one aspect of human functioning and no single model can explain all aspects of abnormality
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Comer, Fundamentals of Abnormal Psychology, 3e 4 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 The Biological Model c Takes a medical perspective c Main focus is that psychological abnormality is an illness brought about by malfunctioning parts of the organism r Typically focused on the brain
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Comer, Fundamentals of Abnormal Psychology, 3e 5 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 How Do Biological Theorists Explain Abnormal Behavior? c Brain anatomy r The brain is composed of ~100 billion nerve cells (called neurons) and thousands of billions of support cells (called glia) r Within the brain, large groups of neurons form distinct areas called brain regions
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Comer, Fundamentals of Abnormal Psychology, 3e 6 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2
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Comer, Fundamentals of Abnormal Psychology, 3e 7 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 How Do Biological Theorists Explain Abnormal Behavior? c Brain anatomy and abnormal behavior r Clinical researchers have found connections between certain psychological disorders and problems in specific brain areas c Example: Huntington’s disease & basal ganglia (forebrain)
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Comer, Fundamentals of Abnormal Psychology, 3e 8 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 How Do Biological Theorists Explain Abnormal Behavior? c Brain chemistry r Information spreads throughout the brain in the form of electrical impulses that travel from one neuron to one or more other neurons r An impulse is received at a neuron’s dendrites, travels down the axon, and is transmitted to other neurons through the nerve endings
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Comer, Fundamentals of Abnormal Psychology, 3e 10 Comer, Fundamentals of Abnormal Psychology , 5e – Chapter 2 How Do Biological Theorists Explain
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This note was uploaded on 11/13/2010 for the course PSY PSY M08 taught by Professor Tennant during the Summer '08 term at Moorpark College.

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FAP5_Lecture_Ch02 - Chapter 2 Models of Abnormality Comer,...

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