Clinical and EMG Characteristics of Pretarsal Motor Persistence

J Korean Neurol Assoc > Volume 23(1); 2005 > Article

Journal of the Korean Neurological Association 2005;23(1): 128-131.

Pretarsal Motor Persistence의 임상적 특징 및 근전도 소견

주억식, 이필휴 이재혁 용석우

아주대학교 의과대학 신경과학교실

Clinical and EMG Characteristics of Pretarsal Motor Persistence

Uk Sik Joo

Department of Neurology, Ajou University School of Medicine, Suwon, Korea

Abstract

Pretarsal motor persistence (PMP), a subtype of apraxia of the eyelid opening, is characterized by the inability to open the eyelids at will due to persistent activity of orbicularis oculi muscles following voluntary closure. Here, we describe clinical characteristic and the synchronous EMG recording from the levator palpebrae and orbicularis oculi muscles of PMP in patient with essential blepharospasm, idiopathic Parkinson's disease, and progressive supranuclear palsy.KeyWords:Pretarsal motor persistence, Apraxia of eyelid opening, EMG

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