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models_of_adnormal_behavior-post - Models in the Study of...

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Models in the Study of Models in the Study of Abnormal Behavior Abnormal Behavior Nolan Zane Nolan Zane
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Figure 2.1: The Major Models of Figure 2.1: The Major Models of Psychopathology Psychopathology
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Biochemical Theories Biochemical Theories Neurons: Nerve cells that transmit messages throughout the body Chemical imbalances underlie mental disorders. Dendrites : Receive signals from other neurons Axons : Send signals to other neurons Synapse : Gap between axon of sending neuron and dendrites of receiving neuron Neurotransmitters : Chemicals involved in transmission of neural impulses
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Table 2.1: Major Neurotransmitters Table 2.1: Major Neurotransmitters and Their Effects and Their Effects
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Genetic Explanations Genetic Explanations Genetic makeup plays an important role in developing abnormal conditions. Autonomic nervous system reactivity may be inherited. Hereditary factors are implicated in alcoholism, schizophrenia, and depression Genotype : Genetic makeup Phenotype : Observable physical and behavioral characteristics
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Criticisms of Biological Models Criticisms of Biological Models Do not account for abnormal behavior if biological causes are not found (e.g., phobias) Ignore environmental/societal/cultural influence Diathesis-Stress Theory: A predisposition to develop illness (diathesis) is inherited and may or may not be activated by environmental factors Biochemical changes may occur because of environmental forces. Incomplete models oversimplify life May foster helplessness by eliminating personal responsibility for well-being
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Are Early Childhood Experiences Are Early Childhood Experiences and Unconscious Motivations Important in and Unconscious Motivations Important in Determining Mental Health? Determining Mental Health? Psychodynamic models: Adult disorders arise from childhood traumas or anxieties. Childhood-based anxieties are unconscious and are repressed through defense mechanisms because they are too threatening to face.
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Personality Structure Personality Structure Id: Present from birth,it operates on the pleasure principle:
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