In 1883 Marcus Gunn described the associated movement of the lower jaw and the eyelid which bears his name. Since that time others have commented on the same strange phenomenon, for which an explanation is still lacking. As cases of "jaw-winking" are rare and because the case to be described is the first in which a successful method for the relief of this curious embarrassing associated movement has been suggested, it is reported.
REPORT OF CASE
N. R., a man aged 21, was admitted to the Graduate Hospital on April 2, 1934, having been referred by Dr. Charles A. Young, Roanoke, Va. His chief complaint was involuntary elevation of the right upper eyelid on movement of the lower jaw to the left. The movements had been present since birth and were noticed when the patient first took the breast or a bottle. As far as his mother knew, she was
FRANCIS C. GRANT. THE MARCUS GUNN PHENOMENONREPORT OF A CASE WITH SUGGESTIONS AS TO RELIEF. Arch NeurPsych. 1936;35(3):487–500. doi:10.1001/archneurpsyc.1936.02260030059003