Experimental effects of children's evening media use on circadian phase, sleep, and executive functioning

儿童晚间媒体使用对昼夜节律、睡眠和执行功能的实验影响

基本信息

  • 批准号:
    10701909
  • 负责人:
  • 金额:
    $ 22.49万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
  • 财政年份:
    2022
  • 资助国家:
    美国
  • 起止时间:
    2022-09-09 至 2027-08-31
  • 项目状态:
    未结题

项目摘要

PROJECT SUMMARY/ABSTRACT During the pandemic, children's technology and digital media (TDM) use, and in particular tablet use, has increased dramatically. Greater TDM use has been associated with less healthy sleep habits including shorter sleep duration, later sleep timing, difficulty falling asleep, and poorer sleep quality. This is concerning as shorter sleep duration, later sleep timing, and poorer sleep quality in childhood have been linked with the development of obesity and associated conditions, poorer executive functioning (EF) and academic performance, and increased risk for anxiety and depression in adolescence. One of the most likely mechanisms through which TDM use affects sleep is through the contribution of evening light exposure. Exposure to light at night sends an alerting signal to the circadian system, signaling that it is daytime, suppressing the release of melatonin, a hormone that signals to the body that it is time to sleep. The pervasive use of mobile devices (e.g., tablets) among children may pose an even greater impact on children's circadian system due to the closeness of the device to the eye. To mitigate risks associated with TDM use and sleep problems, parents need practical guidance about the potential impact of TDM use on their children's circadian rhythms and sleep, especially in the evening when children are most sensitive to the light emitted from screen devices. The goal of Project 3 is to systematically test the effect of TDM use before bed on the sleep, circadian phase, and EF of 4-year-olds using a 3-group randomized controlled trial in which children are assigned to receive one of 2 experimental conditions (Group A:1 hour of tablet use in the hour before bed; Group 8: 1 hour of tablet use 2 hours before bed) or a control condition (no evening TOM use). The proposed research addresses several gaps in scientific knowledge regarding the impact and timing of evening TDM use in the home environment. First, the impact of the timing of TDM use relative to bedtime in children is unknown. Second, the extent to which evening TDM use affects children's circadian phase, sleep, and executive functioning above and beyond the effects of household lighting is unknown. Our findings will address these gaps in the literature and have direct implications on the guidelines for evening TDM use among children. Our novel ability to objectively assess and control for children's daytime TOM use and assess treatment fidelity using FLASH-TV and apps for assessing tablet use allows us to conduct this experimental study in the home environment. Due to these innovations, the proposed study will be the first to: 1) translate experimental research methods from the laboratory to the home environment to examine the impact of evening light exposure on children's circadian physiology; 2) examine the impact of evening TDM use in the home environment on the circadian timing of preschoolers; 3) systematically test the effects of evening TDM use in the home environment on children's sleep onset and duration; and 4) explore the role of evening TDM use in the home environment on children's EF (inhibitory control and working memory).
项目总结/摘要 在大流行期间,儿童的技术和数字媒体(TDM)使用,特别是平板电脑的使用急剧增加。更多的TDM使用与不健康的睡眠习惯有关,包括睡眠时间较短,睡眠时间较晚,入睡困难和睡眠质量较差。这是令人担忧的,因为儿童时期睡眠时间较短,睡眠时间较晚,睡眠质量较差与肥胖和相关疾病的发展,执行功能(EF)和学习成绩较差以及青春期焦虑和抑郁的风险增加有关。TDM使用影响睡眠的最可能机制之一是通过夜间光照的贡献。晚上暴露在光线下会向昼夜节律系统发出警报信号,发出白天的信号,抑制褪黑激素的释放,褪黑激素是一种向身体发出信号的激素,该睡觉了。移动的设备(例如,平板电脑)可能会对儿童的昼夜节律系统造成更大的影响,因为该设备与眼睛的距离很近。为了减轻TDM使用和睡眠问题相关的风险,家长需要关于TDM使用对孩子的昼夜节律和睡眠的潜在影响的实用指导,特别是在孩子对屏幕设备发出的光最敏感的晚上。项目3的目的是系统地测试睡前使用TDM对4岁儿童睡眠、昼夜节律和EF的影响,使用3组随机对照试验,其中儿童被分配接受2种实验条件之一(A组:睡前1小时使用1小时片剂; 8组:睡前2小时使用1小时片剂)或对照条件(晚上不使用TOM)。拟议的研究解决了关于家庭环境中夜间TDM使用的影响和时间的科学知识方面的几个空白。首先,TDM使用时间相对于儿童就寝时间的影响尚不清楚。其次,夜间TDM使用对儿童的昼夜节律、睡眠和执行功能的影响程度超过家庭照明的影响尚不清楚。我们的研究结果将解决文献中的这些差距,并对儿童夜间TDM使用的指导方针有直接影响。我们客观地评估和控制儿童白天TOM使用的新颖能力,以及使用FLASH-TV和评估平板电脑使用的应用程序评估治疗保真度,使我们能够在家庭环境中进行这项实验研究。由于这些创新,拟议的研究将是第一个:1)将实验研究方法从实验室转化为家庭环境,以检查夜间光照对儿童昼夜生理的影响; 2)检查在家庭环境中使用夜间TDM对学龄前儿童昼夜节律的影响; 3)系统测试家庭环境中晚上使用TDM对儿童睡眠开始和持续时间的影响; 4)探索家庭环境中晚上使用TDM对儿童EF(抑制控制和工作记忆)的作用。

项目成果

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Jennette P Moreno其他文献

Jennette P Moreno的其他文献

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{{ truncateString('Jennette P Moreno', 18)}}的其他基金

Digital Assessment Core
数字评估核心
  • 批准号:
    10532294
  • 财政年份:
    2022
  • 资助金额:
    $ 22.49万
  • 项目类别:
Digital Assessment Core
数字评估核心
  • 批准号:
    10701918
  • 财政年份:
    2022
  • 资助金额:
    $ 22.49万
  • 项目类别:
Experimental effects of children's evening media use on circadian phase, sleep, and executive functioning
儿童晚间媒体使用对昼夜节律、睡眠和执行功能的实验影响
  • 批准号:
    10532292
  • 财政年份:
    2022
  • 资助金额:
    $ 22.49万
  • 项目类别:
The iâ¥Rhythm Project: Healthy sleep and behavioral rhythms for obesity prevention
iàRhythm 项目:预防肥胖的健康睡眠和行为节律
  • 批准号:
    10218226
  • 财政年份:
    2019
  • 资助金额:
    $ 22.49万
  • 项目类别:
The iâ¥Rhythm Project: Healthy sleep and behavioral rhythms for obesity prevention
iàRhythm 项目:预防肥胖的健康睡眠和行为节律
  • 批准号:
    10025591
  • 财政年份:
    2019
  • 资助金额:
    $ 22.49万
  • 项目类别:
The i♥Rhythm Project: Healthy sleep and behavioral rhythms for obesity prevention
iâ¥节奏项目:预防肥胖的健康睡眠和行为节奏
  • 批准号:
    9988577
  • 财政年份:
    2019
  • 资助金额:
    $ 22.49万
  • 项目类别:
The i♥Rhythm Project: Healthy sleep and behavioral rhythms for obesity prevention
iâ¥节奏项目:预防肥胖的健康睡眠和行为节奏
  • 批准号:
    9295186
  • 财政年份:
    2017
  • 资助金额:
    $ 22.49万
  • 项目类别:

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