人体睡眠监测报告PPT参考幻灯片

1、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,祝楠楠 14723539,1,文献作者,来源： Journal of Clinical Sleep Medicine, Vol. 9, No. 7, 2013 （临床睡眠医学杂志）,2,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。,3,背景介绍,S

2、leep 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 preschoo

3、l 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,4,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，

4、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。,5,PSG,The polysomnography (PSG) is the gold standard for measuring sleep, it requires considerable equipment and technical resources. 多导睡眠图、多导睡眠监测,6,Actigraphy(体动记录仪),7,Actiwatch,8,METHODS,Subjects(被试) Twelve children (4 boys, 8 girls) aged from 2 to 5 years

5、(M = 3.1, SD = 1.0) participated in this study. None had sleep problems, according to their parents.,9,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。,10,分析,数据分析两种协议： （1）an epoch-by-epoch agreement analysis （2）a sleep variables conco

6、rdance 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,11,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,12,13,RESULTS,14,15,16,DISUSSION,Results clearly showed that the Actiwatch-L(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。 ACT80和ACT40高估清醒，AlgoSmooth低估清醒，,17,Despite the weak detection of wakefulness, Actiwatch-L appears to