Myoclonus refers to abnormal spontaneous twitching or spasm of a muscle. The sound of some muscles twitching in or near the ear could be heard as a pulsation or repeated sound. The difference between myoclonus and pulsatile tinnitus is that in the later is usually a flow sound perceived by the patient. In myoclonus, many patients can also “feel” the vibrations or movement of the muscle. Many people experience these twitches for a few seconds similar to the twitches in the corner of the eye. The sound generated by the myoclums of the middle ear muscles (tensor tympani and stapedius) is usually higher pitch accompanied by fluttering deep within the ear. Many patients feel that there is a butterfly or insect trapped in the ear canal. The myoclonus of the palate muscles which also attached to the ear (tensor palatine) is usually lower her pitch and accompanied by fluttering movement in the back of the throat.
Treatment is based on identification of the cause, paralyzing the muscle with botox or rarely sectioning the instigating muscle. As for identifiable triggers, many patients are overly stressed, not sleeping well, consuming large amounts of caffeine and chronically dehydrated. When they are not constant and not associated with any other neurologic symptom, they are rarely sign of concern.