spasmus nutans

physiology

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In nystagmus
A subtype of nystagmus, called spasmus nutans, occurs in infants and is associated with head nodding and a twisted neck position (torticollis). Acquired childhood or adult nystagmus may be caused by intracranial tumours or other neurologic abnormalities, as well as certain vascular diseases, multiple sclerosis, drug intoxication, and metabolic disorders.…
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