Auditory stimulation during deep sleep enhances total slow-wave activity in a young cohort: A feasibility trial.

IF 3.4 3区 医学 Q2 CLINICAL NEUROLOGY
Gary Garcia Molina, Camilla Matthews, Annika Myers, Beth Peterson, Emma Strainis, Brady Riedner, Ana Maria Vascan, Giulio Tononi, Stephanie Jones
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引用次数: 0

Abstract

Cognitive, metabolic and sleep benefits associated with enhancement of sleep slow waves using closed-loop auditory stimulation have been reported in adults but not in adolescents, especially in home settings. Seventeen volunteers (10F/7M; age range: 13-18 years old) participated in a 2-week, single-blind, crossover study. STIM (auditory stimulation ON) and SHAM (auditory stimulation at zero-volume) were each applied for a week (randomized order). Participants used a self-applied, single-electroencephalogram, wearable device at home. An embedded algorithm performed real-time sleep staging, detected slow-wave sleep and delivered auditory tones separated by a 1-s inter-tone interval. After each sleep session, participants completed questionnaires to report sleep quality, sleepiness (Karolinska Sleepiness Scale), and performed tasks to quantify vigilance (Psychomotor Vigilance Task) and working memory (continuous working memory performance task). Sleep architecture, count of microarousals, slow-wave amplitude, total and mean slow-wave activity (electroencephalogram power in the 0.5-4 Hz frequency band) during non-rapid eye movement sleep, sleepiness level, and cognitive performance metrics were compared between STIM and SHAM. The slow-wave amplitude during stimulation, total slow-wave activity and mean slow-wave activity were significantly higher in the STIM condition (+10.7%, +7.38% and + 7.57%). The count of microarousals, and the power in alpha and beta bands were not different between SHAM and STIM. The Pearson correlation between slow-wave activity enhancement and sleep duration (-0.83; p < 1e - 4) suggested a significant decrease in sleep duration proportional to slow-wave activity enhancement. Trending results (p < 0.1) in the STIM condition included higher number of correct continuous working memory performance task responses (+1.01 correct; p = 0.07). This research provides feasibility of auditory stimulation-based slow-wave activity in a young population.

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来源期刊
Journal of Sleep Research
Journal of Sleep Research 医学-临床神经学
CiteScore
9.00
自引率
6.80%
发文量
234
审稿时长
6-12 weeks
期刊介绍: The Journal of Sleep Research is dedicated to basic and clinical sleep research. The Journal publishes original research papers and invited reviews in all areas of sleep research (including biological rhythms). The Journal aims to promote the exchange of ideas between basic and clinical sleep researchers coming from a wide range of backgrounds and disciplines. The Journal will achieve this by publishing papers which use multidisciplinary and novel approaches to answer important questions about sleep, as well as its disorders and the treatment thereof.
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