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Answers
Explanation:
The principal signs of cerebellar dysfunction are the following:
Ataxia: unsteadiness or incoordination of limbs, posture, and gait. A disorder of the control of force and timing of movements leading to abnormalities of speed, range, rhythm, starting, and stopping.
Hypotonia: normal resting muscle tension is reduced, leading to decreased muscle tone and abnormal positions of parts of the body.
Tremor: an intention tremor of the hand on purposive movement is the most common, with coarse, rapid, side-to-side oscillations that increase as the movement goal is approached. Resting tremors of the limbs, head, and trunk can occur. At times, paroxysms of these tremors are severe enough to shake the entire bed and delude the unwary physician into suspecting seizure activity.
Gait: the station or manner of standing is abnormal; the legs are apart and there is swaying of the body. "The patient staggers, reels, and lurches on walking.
Ocular motor abnormalities: saccadic dysmetria, impaired smooth tracking, fixation abnormalities, and various forms of nystagmus