Journal
SLEEP MEDICINE REVIEWS
Volume 58, Issue -, Pages -Publisher
W B SAUNDERS CO LTD
DOI: 10.1016/j.smrv.2021.101438
Keywords
Auditory stimulation; Transcranial electric current stimulation; Transcranial magnetic stimulation; Slow wave sleep; Slow wave activity; Sleep spindles
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Funding
- Interfaculty Research Cooperation Decoding Sleep: From Neurons to Health & Mind, University of Bern
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This study provides a comprehensive review of modulating slow wave sleep (SWS) through non-invasive brain stimulation in humans, identifying three approaches to alter the macro- and microstructure of SWS. The integration of findings suggests that sleep slow wave modulation has the potential to enhance our understanding of SWS functions and develop new treatments.
The experimental study of electroencephalographic slow wave sleep (SWS) stretches over more than half a century and has corroborated its importance for basic physiological processes, such as brain plasticity, metabolism and immune system functioning. Alterations of SWS in aging or pathological conditions suggest that modulating SWS might constitute a window for clinically relevant interventions. This work provides a systematic and integrative review of SWS modulation through non-invasive brain stimulation in humans. A literature search using PubMed, conducted in May 2020, identified 3220 studies, of which 82 fulfilled inclusion criteria. Three approaches have been adopted to modulate the macro- and microstructure of SWS, namely auditory, transcranial electrical and transcranial magnetic stimulation. Our current knowledge about the modulatory mechanisms, the space of stimulation parameters and the physiological and behavioral effects are reported and evaluated. The integration of findings suggests that sleep slow wave modulation bears the potential to promote our understanding of the functions of SWS and to develop new treatments for conditions of disrupted SWS. (C) 2021 Elsevier Ltd. All rights reserved.
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