The Kocher reflex is an involuntary defense mechanism that manifests itself in the form of contraction of the muscles located on the face before the appearance of aggression. It manifests itself in people during disputes and conflicts, when they experience anger and rage.
The Kocher reflex has its roots in human evolutionary past. This is a defense mechanism aimed at preventing threats and protecting your body from dangerous irritants. In the modern world, in the absence of real threats, the Kocher reflex is given a passive role as a reaction to conflict situations: trembling of the pupils and redness of the face