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6 Cards in this Set
- Front
- Back
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Ataxic dysarthria
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caused by Cerebellar lesions
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hyperkinetic dysarthria
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caused by Chorea and myoclonus
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hypokinetic dysarthria
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caused by the rigid types of extrapyramidal disease( abnormalities of the basal ganglia or certain brainstem or thalamic nuclei;
Sx: motor deficits, loss of postural reflexes, bradykinesia, tremor, rigidity and various involuntary movements) |
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Spastic dysarthria
= Rigid dysarthria |
caused by lesions along the Corticobulbar tracts
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Chorea
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Irregular, spasmodic, involuntary movements of the limbs or facial muscles, often accompanied by hypotonia.
The location of the responsible cerebral lesion is not known. |
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myoclonus
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One or a series of shock-like contractions of a group of muscles, of variable regularity, synchrony, and symmetry
Generally due to a central nervous system lesion |
