PSYB32H3 Lecture Notes - Lecture 10: Mild Cognitive Impairment, Dementia With Lewy Bodies, Vascular Dementia
4 Jul 2012
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Document Summary
Atrophy is when the brain basically wastes away. You count the number of tangles and plaques in a particular part of the brain because it is not a matter of whether or not they present but how many are present. Persons with head injury and depression may lack the motivation to learn; physical activity works in the same way as cognitive activity to preserve the reserve: neuroimaging dat. Sensitive to the early stages of dementia; neuropsychological signature of somebody with an early stages of ad are memory, naming, visualspatial impairments. Explicit memory impaired because of inability to consolidate (hippocampus) Procedural memory relatively intact- when we don"t have to consciously retrieve something, things we have done throughout our lives. Retrieval impaired- can"t consolidate, so they are unable to retrieve something. The way in which the professor likes to categorize dementias is to divide them into cortical and.
