Term
Alzheimer's: Neurotransmitters Affected |
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Definition
Decreased Acetylcholine, Dopamine, Seratonin, Norepinepherine |
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Term
Alzheimer's: Neural Abnormalities |
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Definition
Cortical atrophy: -Medial temporal lobes (rhinal cortex) and hippocampi -Inferior temporal lobe (ventral "what"stream: facial and object recognition) - Posterior lateral temporal and posterior parietal areas. (up to 1/3 of cortical volume lost)
Lateral ventricles enlarged. Neurofibliary tangles Neuritic placques (beta amyloid) |
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Term
Alzheimer's: Key Symptoms |
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Definition
Storage Problem. 1. Anterograde amnesia 2. Anomia (forget words), aphasia 3. Acalcula, get lost 4. Retrograde amnesia with loss of semantic memory 5. Agnosia, Prosopagnosia: Facial recognition 6. Apraxia -- inability to perform purposeful actions 7. Personality changes 8. Decline in executive function, social and occupational function. |
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Term
Alzheimer's: Preferred treatments |
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Definition
Early stage: Cholinesterase inhibitors (plus vitamin E) Moderate to severe stages: Mematamine (Namenda) |
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