观看和玩幻想事件不会影响儿童的认知灵活性和前额外激活
1Graduate School of Letters, Kyoto University, Yoshidahoncho, Kyoto, Japan.
Heliyon
|July 24, 2023
概括
在平板电脑上观看或播放奇幻内容不会影响儿童的认知灵活性. 这项研究没有发现行为或大脑活动的变化,支持媒体暴露不会影响这个执行功能.
科学领域:
- 儿童心理学 儿童心理学
- 认知神经科学 认知神经科学
- 媒体研究 媒体研究
背景情况:
- 以前的研究表明,媒体曝光,特别是奇幻内容,可能会对儿童的执行功能产生负面影响,例如抑制控制.
- 之前的一项研究表明,在平板电脑上观看奇幻内容会影响前额叶激活,但玩游戏不会产生相同的结果.
研究的目的:
- 为了调查看或玩平板电脑上的奇幻内容是否会影响学龄前儿童的认知灵活性.
- 通过检查对不同执行职能任务的影响来复制和扩展先前的发现.
主要方法:
- 学前儿童 (N=32) 通过在平板电脑上观看或玩游戏,参与了奇幻内容.
- 孩子们在媒体曝光前后完成了维度变化卡片排序 (DCCS) 任务,这是认知灵活性的衡量标准.
- 使用功能近红外光谱学 (fNIRS) 与行为评估一起监测前额外激活.
主要成果:
- 在媒体暴露后,没有观察到儿童在DCCS任务上的行为表现有显著差异.
- 功能近红外谱学 (fNIRS) 数据显示前额外激活没有变化.
- 贝叶斯因子分析支持了零假设,表明媒体暴露对认知灵活性没有影响.
结论:
- 在平板电脑上观看或播放奇幻内容似乎不会影响学龄前儿童的认知灵活性.
- 这些发现表明,认知灵活性与抑制控制不同,可能对即时的奇幻媒体曝光有弹性.
- 进一步的研究可以探索长期影响或不同类型的媒体内容的影响.
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