Myoclonus Mayo Clinic Proceedings John N. Caviness, M.D.  Mayo Clinic Proceedings  Volume 71, Issue 7, Pages 679-688 (July 1996) DOI: 10.1016/S0025-6196(11)63006-1 Copyright © 1996 Mayo Foundation for Medical Education and Research Terms and Conditions

Fig. 1 Electromyographic bursts from wrist flexor muscle group. A, In normal subject, electromyography was performed as quickly and briefly as possible. B, In patient, during myoclonus of wrist. Mayo Clinic Proceedings 1996 71, 679-688DOI: (10.1016/S0025-6196(11)63006-1) Copyright © 1996 Mayo Foundation for Medical Education and Research Terms and Conditions

Fig. 2 Results from back-averaging myoclonic discharge from right first dorsal interosseous muscle, which produces diphasic averaged scalp potential over left sensorimotor cortex, preceding right first dorsal interosseous muscle averaged EMG discharge. FC = fronto-central region; R = right. Mayo Clinic Proceedings 1996 71, 679-688DOI: (10.1016/S0025-6196(11)63006-1) Copyright © 1996 Mayo Foundation for Medical Education and Research Terms and Conditions