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31 Cards in this Set
- Front
- Back
disease associated with caudate nucleus and frontal cortex degeneration
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Huntington's disease
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disease associated with frontal and hippocampal cortex degeneration
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Alzheimer's disease
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degeneration of the substancia nigra
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Parkinson's
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degeneration of the posterior and lateral columns
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friedreich ataxia
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degeneration of the betz cells in the motor cortex and anterior horn cells
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ALS
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symptoms associated with parkinsonism
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tremor
rigidity akinesia/bradykinesia postural instability - forward propulsion decreased facial expression |
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histologic findings associated with idiopathic parkinson disease
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pallor and atrophy of the substancia nigra and/or locus ceruleus
lewy bodies in the substancia nigra and/or locus ceruleus |
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associated with MPTP
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acute parkinsonism syndrome
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Von Economo's disease
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post-encephalitis parkinsonism after influenza infection
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associated with involuntary choeiform movements, dementia, and psychosis
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Huntington's disease
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pathology of hunginton's disesae
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bilateral caudate atrophy
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AD disease with trinucleotide CAG repeats resulting in what
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aggregation of huntingtin protein and formation of intranuclear inclusions causing Huntington's disease
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two diseases associated with trinucleotide repeats
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Huntington's disease
Friedreich Ataxia |
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manifestations of ALS
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LMN - muscle atrophy and spontaneous fasciculations
UMN - weakness and spasticity |
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manifestations of Friedreich Ataxia
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cerebellar ataxia, spasticity, and sensorimotor peripheral neuropathy
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pathogenesis of friedreich ataxia
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trinucleotide repeat expansion (GAA) on chromosome 9
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caused by fibrosis of meninges that pinches off the dorsal root
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Tabes Dorsalis
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degeneration of cortical neurons in the motor cortex and ventral motor nerve root
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ALS
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subacute combined degeneration
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B12 deficiency
atrophy of the posterior and lateral column and anterior horn |
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progressive deterioration of higher cognitive function with impariment of previously attained function
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dementia
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cognitive impairment associated with a person who has never attained certain milestones
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mental retardation
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cognitive impairment is temporary and not progressive
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delirium
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most common cause of dementia
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Alzheimers
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pathology seen in Alzheimers
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1. Senile plaques - extracellular A beta amyloid protein aggregation
2. Neurofibrillary tangles - intracellular inclusion with paired helical filament structure composed of tau protein 3. granulovacuolar degeneration |
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progressive degeneration of Alzheimers
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initially affects the hippocampus and temporal lobe, than affects the neocortex, and eventually the deep gray matter and brain-stem
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associated with hyperphosphorylated Tau protein
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Neurofibrillary tangles
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pathogenesis of alzheimers
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missense mutation on amyloid protein gene on chromosome 21
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all patients with down's syndrome are prone to
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alzheimers dementia due to chromosome 21 trisomy
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where can amyloid aggregates be found
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brain parenchyma - senile plaques
around vessels - amyloid angiopathy |
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what is associated with the degree of dementia in Alzheimers
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neurofibrillary tangle densities, not senile plaques
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associated with atrophy of the frontal and temporal lobes, no neurofibrillary tangles nor senle plaques
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pick's dementia
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