Table 1. Ataxia

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Characteristics of cerebellar, vestibular and sensory ataxia

Cerebellar Vestibular Sensory
Dysarthria May be present Absent Absent
Nystagmus Often present Present Absent
Vertigo May be present Present Absent
Limb ataxia Usually present Absent Present(only in the legs)
Stance Unable to stand with feet together May be able to stand with feet together Able to stand with feet together and eyes open, but unable with eyes closed
Vibratory and position sense Normal Normal Impaired
Ankle reflexes Normal Normal Depressed or absent

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