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OCULAR MOTOR DEFICITS IN PARKINSON'S DISEASE
1983
Brain
We quantified the horizontal pursuit and saccadic function of 14 parkinsonian patients and 10 normal subjects matched for age. Eight patients had mild, and 6 advanced disease. Ocular motor deficits were more marked in patients with advanced disease. Saccadic reaction times and postsaccadic refractory periods were prolonged. Peak saccadic velocities were significantly reduced. Slow saccades may be caused by inappropriate coactivation of opposing ocular muscles. Multiple step, hypometric saccades
doi:10.1093/brain/106.3.571
pmid:6640270
fatcat:j4q3ny2b6rc33c5qmcgcw2q4z4