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NESC 3227 (19)
Kim Good (19)

January 8th, 2013.docx

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NESC 3227
Kim Good

January 8th, 2013 January-08-13 10:16 AM Think about this  What side is her seizure focus on, does it stay only on that side?  Take into account how old she is, how long she's had them, gender, left-handedness Gross anatomy  Know the lobes of the brain  Note how it's only the frontal region of the brain that seems to have undergone some form of neurodegeneration  We'll look at what happens to function under conditions of both specific and gross lesions of certain regions Orientation terms of the brain  Make sure to know all of these too o Sagittal  Divides left and right o Coronal  Divides front and back o Axial  Divides top and bottom Imaging  CT scan shows a region (dark) of the brain has possibly been affected by a stroke  PET scan does not give you much of an image about structure, however is very useful in showing areas of functionality of the brain o Can also use to look at neurotransmitter binding sites Normal or Abnormal  MRI with T1 protocol, can tell because the ventricles are so dark, excellent distinction between regions  The two hippocampi left and right look quite different from one another  This individual has mesial temporal sclerosis How do clinical neuropsychologists learn about brain function  By studying lesions to certain areas of the brain and seeing what the consequences of these are  Use anatomy and pathology put together to understand the function of different brain regions and systems  *Just because a behaviour disappears when a brain area has a lesion does not necessarily mean that area is directly responsible for that behaviour  Examine the behaviours by: o Comparing it to another group o Or that individual in their pre-diseased state (if possible, because it isn't always) Change in behaviour  Can look at changes in 2 ways o Positive behaviours  New thoughts, new behaviours or sensory perceptions that are not seen in "normal" populations o Negative behaviours  Thoughts, behaviours or sensory perceptions that are not present in the patient, but not in the "normal" population  Monopleigic gait  Patient who had a stroke, and now drags one leg behind them Positive symptoms  Comic is an example
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