Carlos Morra and Ernst Franzek: Psychopathological Symptoms


Glabellar reflex


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 the glabellar reflex.


Synonym: Myerson sign




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


Carlos Morra and Ernst Franzek

March 16, 2017