수면장애에서 비침습적 뇌자극술의 치료 효과 고찰

• 영문명: A Review on Effects of Non-Invasive Brain Stimulation in the Treatment of Sleep Disorders
• 발행기관: 대한수면의학회
• 저자명: 김신혜(Shinhye Kim) 이수지(Suji Lee) 임수미(Soo Mee Lim) 윤수정(Sujung Yoon)
• 간행물 정보: 『수면정신생리』제28권 제2호, 53~96쪽, 전체 44쪽
• 주제분류: 의약학 > 정신과학
• 파일형태: PDF
• 발행일자: 2021.12.31

영문 초록

Sleep disorders, increasingly prevalent in the general population, induce impairment in daytime functioning and other clinical problems. As changes in cortical excitability have been reported as potential pathophysiological mechanisms underlying sleep disorders, multiple studies have explored clinical effects of modulating cortical excitability through non-invasive brain stimula- tion in treating sleep disorders. In this study, we critically reviewed clinical studies using non-invasive brain stimulation, partic- ularly transcranial magnetic stimulation (TMS) and transcranial direct current stimulation (tDCS), for treatment of sleep disor- ders. Previous studies have reported inconsistent therapeutic effects of TMS and tDCS for various kinds of sleep disorders. Specifically, low-frequency repetitive TMS (rTMS) and cathodal tDCS, both of which exert an inhibitory effect on cortical excit- ability, have shown inconsistent therapeutic effects for insomnia. On the other hand, high-frequency rTMS and anodal tDCS, both of which facilitate cortical excitability, have improved the symptoms of hypersomnia. In studies of restless legs syn- drome, high-frequency rTMS and anodal tDCS induced inconsistent therapeutic effects. Single TMS and rTMS have shown differential therapeutic effects for obstructive sleep apnea. These inconsistent findings indicate that the distinctive character- istics of each non-invasive brain stimulation method and specific pathophysiological mechanisms underlying particular sleep disorders should be considered in an integrated manner for treatment of various sleep disorders. Future studies are needed to provide optimized TMS and tDCS protocols for each sleep disorder, considering distinctive effects of non-invasive brain stimulation and pathophysiology of each sleep disorder.

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키워드

Sleep disorders Transcranial direct current stimulation Transcranial magnetic stimulation Neural activity Non-inva- sive brain stimulation