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Presenter name
Title
Date
Subtitle of other
information
Can we distinguish central vs
peripheral etiology?
Peripheral
Central
Ability to walk
Usually can
Often unable (30-
60%)
Other CNS findings Absent
Present (≈60%)
Head impulse test
Positive (corrective
saccade)
Normal (no saccade)
Nystagmus type
Horizontal
(unidirectional)
Vertical, Direction-
changing
Skew deviation
Absent
May be present