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Prevalence of spontaneous lingual-facial-buccal dyskinesias in the elderly

Department of Neurological Sciences (Dr. Klawans), Rush-Presbyterian-St. Lukes Medical Center, and the Department of Neurology (Dr. Barr), Abraham Lincoln School of Medicine, University of Illinois, Chicago, IL.

The prevalence of spontaneous lingual-facial-buccal movements was determined in 661 patients between the ages of 50 and 79 without neuroleptic exposure or known CNS disease. The prevalence was 0.8% between ages 50 and 59, 6% between ages 60 and 69, and 7.8% between ages 70 and 79.

Address correspondence and reprint requests to Dr. Klawans, Department of Neurological Sciences, Rush-Presbyterian-St. Lukes Medical Center, 1725 West Harrison, Chicago, IL 60612.

This work was supported in part by grants from the United Parkinson Foundation and the Boothroyd Foundation, Chicago, IL.

Accepted for publication September 30, 1981.

This article has been cited by other articles:

				J. Waddington, A. Cross, S. Gamble, and R. Bourne Spontaneous orofacial dyskinesia and dopaminergic function in rats after 6 months of neuroleptic treatment Science, April 29, 1983; 220(4596): 530 - 532. [Abstract] [PDF]