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Clinical Neuropsychology Chap13

Clinical Neuropsychology Chap13 - Clinical Neuropsychology...

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Clinical Neuropsychology Chapter 13
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Field of Neuropsychology “the field of study that seeks to understand how brain processes make human behavior and psychological functions possible” (Heilman & Valenstein, 2003) NPs study a wide range of human abilities such as: Cognitive functioning Motor functioning Emotional functioning Social functioning Personality traits NPs are also interested in what happens to brain control after an accident or psychological illness—they evaluate persons to see if their pattern of behavior indicates brain damage and to which areas of the brain
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Basic Principles of Neuropsychology The localizationist view—specific areas of the brain control specific functions This view is widely accepted although it is unclear exactly how different brain regions interact Globalists emphasize the interrelatedness of brain areas Currently, NP use the concept of modularity —different brain areas are like the many circuit boards in a big computer, so that a single function like attention is not controlled by any specific are but relies on several brain areas that each add “a different piece to the puzzle, working together in a network distributed widely across many brain regions” This means that damage to a number of brain areas could have affects on a particular function, like attention
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Basic Principles of Neuropsychology (cont) Areas of the brain can be labeled by whether they process incoming information (sensory) or program outgoing behavior (motor) Lateralization of Function—each hemisphere of the brain is associated with different functions, but both sides are involved in most psychological functions
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The Left Hemisphere Right-handed persons are “left-lateralized” so the left side is responsible for producing and understanding speech Left-handed people can be left or right-
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