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NEUROLOGY 2004;63:1096-1098
© 2004 American Academy of Neurology
Brief Communications

Glabellar and palmomental reflexes in parkinsonian disorders

Harris Brodsky, BS, Kevin Dat Vuong, MA, Madhavi Thomas, MD and Joseph Jankovic, MD

From the Parkinson’s Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, TX.

Address correspondence and reprint requests to Dr. Joseph Jankovic, Professor of Neurology, Director of Parkinson’s Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, 6550 Fannin, Suite 1801, Houston, TX 77030; e-mail: josephj{at}bcm.tmc.edu

The authors examined the glabellar reflex and the palmomental reflex in 100 subjects, including patients with Parkinson disease (n = 41), patients with progressive supranuclear palsy (n = 12), patients with multiple system atrophy (n = 7), and healthy, age-matched, controls (n = 40). The study provides evidence that these reflexes, particularly glabellar reflex, are relatively sensitive signs of parkinsonian disorders, but they lack specificity as they do not differentiate among the three most common parkinsonian disorders.

Received November 5, 2003. Accepted in final form March 18, 2004.

Additional material related to this article can be found on the Neurology Web site. Go to www.neurology.org and scroll down the Table of Contents for the September 28 issue to find the title link for this article.




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