数字保健–第 3 级
23-10-2024 15:00
一些美国人每天查看智能手机96次，即每10分钟一次。使用屏幕的时间还会造成数码眼疲劳，损害眼睛部位和聚焦能力。
由于大流行病的影响，儿童的屏幕时间越来越长。儿童的屏幕时间从每天 6 小时增加到 13 小时。一些研究表明，过多的屏幕时间会导致语言和思维测试成绩下降，大脑皮层变薄，而大脑皮层正是我们进行批判性思维和推理的地方。
屏幕还会影响他们的睡眠，而睡眠对大脑的发育和记忆非常重要。屏幕发出的蓝光会降低一种名为褪黑激素的大脑化学物质的浓度；褪黑激素有助于入睡。因此，屏幕会让儿童在夜间更加清醒。
您可以观看本页下方的视频新闻。
根据课文内容，增加屏幕时间对儿童的健康和发展有哪些潜在的负面影响？
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