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Glabellar Reflex or Myerson's sign
Educational only: videos on MedicalVideos.com are for general information and are not medical advice. Always consult your own doctor about your health.
In this medical video: This 72-year-old patient was unable to resist blinking when we tapped on the glabella. This is the glabellar reflex or Myerson's sign . It is often an early sign of Parkinson's disease, but can also be seen in early dementia as well as other progressive neurologic illness. Note the left (i.e., asymmetrical) hand resting tremor.
This video in 30 seconds
This video shows a 72-year-old patient demonstrating the glabellar reflex, also called Myerson sign. The description notes that the patient could not resist blinking when the glabella was tapped, that the sign is often an early sign of Parkinson disease, and that a left hand resting tremor is visible.
Key points
- The glabellar reflex, or Myerson sign, is demonstrated
- Blinking in response to tapping the glabella is shown
- An association with Parkinson disease and other neurologic illness is mentioned
- A left hand resting tremor is noted
Video Overview
This video presents “Glabellar Reflex or Myerson's sign” — In this medical video: This 72-year-old patient was unable to resist blinking when we tapped on the glabella. This is the glabellar reflex or Myerson's sign . It is often an early sign of Parkinson's disease, but can also be seen in early. Whether you are preparing for a procedure, studying the technique, or learning how a condition is assessed, the recording shows the process as it is performed in practice.
From our Physical Examination collection: Watch physical examination videos step by step — cardiovascular, respiratory, abdominal and neurological exams demonstrated for medical students and clinicians. Browse all Physical Examination videos →
Educational content only — not a substitute for professional medical advice.
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