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J Sleep Med > Volume 17(2); 2020 > Article
CASE REPORT
J Sleep Med. 2020;17(2):188-191.         doi: https://doi.org/10.13078/jsm.200025
A New Positive Sign of Functional Weakness in Conversion Disorder: Polysomnography with Extended Surface Electromyography
Jinsub Hwangbo , Mi-Ri Kang , Ki-Hwan Ji
Department of Neurology, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea
Corresponding Author: Ki-Hwan Ji ,Tel: +82-51-890-8613, Fax: +82-51-895-6367, Email: kihwanji@gmail.com
Received: November 2, 2020   Revised: November 18, 2020   Accepted: November 24, 2020   Published online: December 31, 2020
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ABSTRACT
Patients often present with combinations of psychological disorders that manifest with neurological symptoms and/or signs that are not attributable to identifiable structural or functional etiology associated with the nervous system. We present the case of an elderly woman with functional weakness, which was documented using polysomnography with extended surface electromyography. Our findings show that polysomnography with extended surface electromyography may be a useful diagnostic tool for functional weakness in conversion disorder.
Keywords: Polysomnography | Electromyography | Conversion disorder
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