Carlos Morra and Ernst Franzek: Psychopathological Symptoms
Myerson sign

Definition: Lack of habituation of the blinking response to glabellar tap (Schott and Rossor 2003).

Exploration: A blinking response to glabellar tap after the sixth tap indicates the presence of Myerson sign.

Synonym: Glabellar reflex

Reference:

Schott JM, Rossor MN. The grasp and other primitive reflexes. J Neurol Neurosurg Psychiatry 2003; 74: 558-60.

Carlos Morra and Ernst Franzek

March 9, 2017