Abstract:
:Human subjects normally have miniature eye movements during tasks that require steady visual fixation. These eye movements were compared in 12 control subjects and 4 patients with degenerative cerebellar disorders. Slow drifts, small fixation saccades, square waves, saccadic oscillations, flutter, and vertical nystagmus occurred in both control subjects and patients. In the patients, however, fixation eye movements were enlarged and square waves and saccadic oscillations were more frequent. It appears that some forms of pathologic fixation instability are due to defective cerebellar control of fixation eye movements, and that precise measurements of these eye movements may quantitate disorders of cerebellar function.
journal_name
Neurologyjournal_title
Neurologyauthors
Hotson JRdoi
10.1212/wnl.32.1.31subject
Has Abstractpub_date
1982-01-01 00:00:00pages
31-6issue
1eissn
0028-3878issn
1526-632Xjournal_volume
32pub_type
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