![Valtteri Kaasinen on Twitter: "This is Dr. Walker Overend, MD, born in England in 1858. He discovered a supraorbital reflex, later known as the glabellar reflex or the glabellar tap sign. https://t.co/pDFOOmKl54" / Valtteri Kaasinen on Twitter: "This is Dr. Walker Overend, MD, born in England in 1858. He discovered a supraorbital reflex, later known as the glabellar reflex or the glabellar tap sign. https://t.co/pDFOOmKl54" /](https://pbs.twimg.com/media/E7h1YTqWQAAAJ2d.jpg)
Valtteri Kaasinen on Twitter: "This is Dr. Walker Overend, MD, born in England in 1858. He discovered a supraorbital reflex, later known as the glabellar reflex or the glabellar tap sign. https://t.co/pDFOOmKl54" /
🧠The glabellar reflex, also known as the "glabellar tap sign", is a primitive reflex elicited by repetitive tapping on the forehead. Subjects blink in... | By Physioscare | Facebook
![Glabellar tap score and specific binding ratio of the PD, ET and HC... | Download Scientific Diagram Glabellar tap score and specific binding ratio of the PD, ET and HC... | Download Scientific Diagram](https://www.researchgate.net/publication/353598979/figure/fig2/AS:1051503435460622@1627709363719/Glabellar-tap-score-and-specific-binding-ratio-of-the-PD-ET-and-HC-groups-a-Glabellar.png)