“…Arteriolar spasm (Hilger, 1949) perhaps as a consequence to cold exposure (Sullivan & Smith, 1950), is presumed to cause ischaemia of the facial nerve near the stylomastoid foramen and thereby lead to a failure of conduction. Secondary venous stasis leads to swelling of the nerve which is consequently compressed in the facial canal (Kettel, 1947(Kettel, , 1954.…”