Blink rates in parkinsonism | Zendy

Karson Craig N. | Zendy; Lewitt Peter A. | Zendy; Calne Donald B. | Zendy; Wyatt Richard Jed | Zendy

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Blink rates in parkinsonism

Author(s) -

Karson Craig N.,

Lewitt Peter A.,

Calne Donald B.,

Wyatt Richard Jed

Publication year - 1982

Publication title -

annals of neurology

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 4.764

H-Index - 296

eISSN - 1531-8249

pISSN - 0364-5134

DOI - 10.1002/ana.410120614

Subject(s) - parkinsonism , dyskinesia , medicine , psychology , levodopa , anesthesia , audiology , physical medicine and rehabilitation , parkinson's disease , disease

Spontaneous eye blink rates were counted in 54 parkinsonian patients, 52 of whom were receiving levodopa. The mean blink rate of the more disabled patients, 7 per minute, was significantly less than the 17 blinks per minute observed in midly disabled ( p < 0.02) and 22 blinks per minute ( p < 0.001) in moderately disabled patients. Drug‐induced dyskinesia in 21 patients was associated with an elevated blink rate, 32 per minute, as compared with 12 per minute for non‐dyskinetic patients ( p < 0.01).

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