Term
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Definition
| Affects mainly higher intellectual functions, e.g memory and language, e.g. Alzheimer's disease |
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Term
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Definition
| Movement disorders, slowing and emotional changes. e.g. Huntington's disease, Parkinson's disease |
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Term
| Drug therapies target the... |
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Definition
| cholinergic system. relief from symptoms in some mild-moderate p's, can delay decline for 6 months. |
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Term
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Definition
| memory for personally experienced events and with a specific temporal/spatial context |
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Term
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Definition
| Knowledge about the world, e.g. word meanings, facts |
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Term
| Type of memory problems eary on in AD |
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Definition
| Semantic memory - naming visually presented objects, naming to verbal description, category fluency/generation. General category info is largely intact, it's fine-grained semantic knowledge that's impaired. |
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Term
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Definition
| Alzheimer's p's have trouble deciding if animals are fierce or not |
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Term
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Definition
| Word-picture matching harder if identifying target objects when targets and distractors are from the same semantic category than when they're from different categories. Fine grained distinctions within categories the problem |
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Term
| Impaired access or structure in Alzheimers? |
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Definition
Evidence for impaired access: greatest impairment on strategic search, deficit can be reduced when demand for searching is minimized
Breakdown in structure: patients often impaired on same invidual items across different routes |
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Term
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Definition
| Strategic search of semantic memory difficult in AD |
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Term
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Definition
| using more direct prompts reduces strategic search deficit |
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Term
| Hodges, Salmon and Butters 1992 |
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Definition
| patients often impaired on same invidual items across different routes, showing breakdown in structure of semantic memory |
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