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7 Cards in this Set

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list some sxs of cerebellar dysfunction
inccordination-appendicular ataxia, dysdiadocokinesia, titubation, impaired supression of VOR, gait imbalance, scanning dysarthria, decreased muscle tone and reflexes
List some disorders that must be ruled out when considering cerebellar dysfunction
muscle weakness (LMN/UMN problems), vestibular dysfunction, impaired proprioception
In general, cerebellar lesions produces sxs on which side
ipsilateral to the lesion (note bilateral sxs like trucal ataxia)
Titubation (truncal ataxia) is a sxs that localizes to which region of the cerebellum
vermis/ flocculonodular lobe
Describe the normal function of the vermis in terms of the VOR
The vermis supresses the VOR when you are trying to watch of moving object so that you can fixate on it and keep it in focus even if you are moving. Supression allows you eyes to turn with your head instead of turning the opposite direction.
What type of cerebellar lesion could lead to impaired supression of the the VOR
midline lesions,vermis, floculonodular lobe
in which direction will objects be blurred if the right cerebellar hemisphere is damaged
Left to right. (the burring occurs when the objects move toward the side of teh lesion