人体睡眠监测报告ppt课件
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人体睡眠监测报告
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课题背景
(1)测量成人睡眠监测的算法比较成熟,而 对于儿童来说,现在的算法不确定是否适 合。
(2)测试工具都是佩戴式,或者入侵式,而 儿童睡觉不安稳,容易活动,造成数据不 准确,所以,发展应用于儿童的算法很重 要。
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背景介绍
• Sleep is considered to be of paramount importance for brain development during the first two years of life. In fact, children spend over half of their first two years of life sleeping, with daily sleep duration decreasing from 14.5 to about 13 hours between 6 months and 2 years of age.In the preschool years, daily sleep needs remain high, decreasing from 13 hours at 2 years to about 11 hours at 5 years.During infancy and childhood, frequent night awakenings or diffi culty falling asleep areamong the most frequent developmental complaints
(1)an epoch-by-epoch agreement analysis
(2)a sleep variables concordance analysis
统计分析用到四组数:PSG, ACT40, ACT80, and AlgoSmooth
测试方式分析:ankle, raw wrist, and adjusted wrist
人体睡眠监测报告
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课题目的
验证三种算法,是否适合学前儿童,比 较他们的有效性,且前提是佩戴的仪器是 验证过的。此课题旨在通过研究,了解学 前儿童睡眠状况,为后续提高学前儿童睡 眠质量和促进学前儿童大脑发育寻找办法。
人体睡眠监测报告
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PSG
• The polysomnography (PSG) is the gold standard for measuring sleep, it requires considerable equipment and technical resources.
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ACT40, ACT80的算法
AlgoSmooth的算法要点:
(1)计数大于0的连续2分钟内有数据>100,被定义为清醒 状态
(2)连续3计数为0定义为重返睡眠状态
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人体睡眠监测报告
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RESULTS
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人体睡眠监测报告
• ACT80和ACT40高估清醒,AlgoSmooth低 估清醒,
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• Despite the weak detection of wakefulness, Actiwatch-L appears to be a useful instrument for assessing sleep in preschoolers when used with an adapted algorithm
• 多导睡眠图、多导睡眠监测
人体睡眠监测百度文库告
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Actigraphy(体动记录仪)
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Actiwatch
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METHODS
• Subjects(被试) Twelve children (4 boys, 8 girls)
aged from 2 to 5 years (M = 3.1, SD = 1.0) participated in this study. None had sleep problems, according to their parents.
Validating Actigraphy as a
Measure of Sleep for Preschool
Children
验证Actigraphy是一种对学前儿童的睡眠的测量
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文献作者
来源:
Journal of Clinical Sleep Medicine, Vol. 9, No. 7, 2013 (临床睡眠医学杂志)
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谢谢
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• Procedures:
同一天,让12个合格儿童回到家,让 技术员和助理研究员在小孩睡觉前一个小 时,给佩戴仪器(脚踝和手腕),并测试 PSG的记录器和Actigraph正常工作,并使 技术员和助理研究员离开,第二天拆除回 收仪器和数据。
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分析
数据分析两种协议:
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DISUSSION
• Results clearly showed that the ActiwatchL(philips制造的Actigraphy) is better able to detect sleep than to detect wake.
• ACT80和AlgoSmooth相对于ACT40加强了 对睡眠的监测,降低了对不眠的监测。