Carlos Morra and Ernst Franzek: Psychopathological Symptoms
Snout reflex

Definition: Puckering of lips to pressure over  nasal philtrum (Schott and Rossor, 2003).

Exploration: The presence of puckering is established by gently pressing over the nasal philtrum.

Reference:

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

March 2, 2017