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KMID : 1151920220040040141
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Chronobiology in Medicine
2022 Volume.4 No. 4 p.141 ~ p.151
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Application of Transcranial Direct Current Stimulation in Sleep Disturbances
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Lee Young-Ji
Kim Bong-Jo
Lee Cheol-Soon
Cha Bo-Seok
Lee So-Jin
Choi Jae-Won
Lim Eun-Ji
Kang Nu-Ree
Lee Dong-Yun
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Abstract
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Sleep disturbances are common across all age groups, and they encompass a broad range of impairments of daytime functioning and comorbid various clinical conditions. However, current treatment methods for sleep disturbances have several limitations. As the ‘top-down’ pathway is known to play an important role in sleep-wake regulation, and as neuronal activity abnormalities have been reported as a potential pathological mechanism of sleep disturbances, the use of non-invasive brain stimulation?such as transcranial direct current stimulation (tDCS) in treating sleep disturbances?has emerged. In the present review, we first explain the mechanism of tDCS, and we also introduce recent studies that have applied tDCS to sleep disorders, along with other sleep-related tDCS studies. In conclusion, many studies have achieved improvements in sleep state, although some of these studies have reported inconsistent effects of tDCS according to the protocol and the conditions used. Further studies are needed to explore the optimal protocols to use when applying tDCS in each sleep disturbance and to enhance the evidence on the clinical efficacy of tDCS.
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KEYWORD
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Transcranial direct current stimulation, Sleep disorders, Sleep quality, Sleep
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