Institute of Psychology Chinese Academy of Sciences The

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Institute of Psychology Chinese Academy of Sciences 电子媒体使用对幼儿执行功能的影响 The Effect of Media Use on

Institute of Psychology Chinese Academy of Sciences 电子媒体使用对幼儿执行功能的影响 The Effect of Media Use on Children’s Executive Function 朱莉琪 中科院心理所 华中师范大学 2018. 10

Introduction Media use among Chinese children • 72. 8% children aged 8~18 had their

Introduction Media use among Chinese children • 72. 8% children aged 8~18 had their own Smartphone (China youth Internet program, 2011). • 94. 1% children aged 4～ 16 watched TV, with an average of 1. 16 hours per day (Zhen, Zhang, 2011). • 72. 69% preschoolers' family in Shanghai have i. Pad, 78. 16% of children who had ipad spend 0 ～ 1. 5 h to use the ipad per day (Dai, 2013). 2021/9/7 2

Background • Internet use: 98. 1% – Children younger than 10 ys: 72. 0%

Background • Internet use: 98. 1% – Children younger than 10 ys: 72. 0% – Preschool children: 27. 9% – Left behind children: 80. 9% • Wechat 84. 6%。 季�民 , 沈杰, �斌� , 季琳. (2018). 中国未成年人互联网运用报告(2017～ 2018). 社会科学文献出版社. 2021/9/7 3

• Electronic media – especially influential to children during periods of rapid brain

• Electronic media – especially influential to children during periods of rapid brain development(Christakis et al. , 2012; Bush and Boyce, 2014) – powerful impacts on the development of social emotional competencies (e. g. , Babaroglu, 2013) and cognitive capacities including executive function (EF) (e. g. , Lillard and Peterson, 2011; Nathanson et al. , 2014). 2021/9/7 4

Introduction • Executive Function, EF – a family of top-down mental processes that aid

Introduction • Executive Function, EF – a family of top-down mental processes that aid in the monitoring and control of thought and action (Lezak, 1995; Mesulam, 2002). – Core EFs include Inhibition, working memory, and cognitive flexibility (Diamond, 2013). 2021/9/7 5

Introduction The Development of EF p Executive function is orchestrated by activity within the

Introduction The Development of EF p Executive function is orchestrated by activity within the prefrontal cortex and develops at an unprecedented rate during the preschool period. （Tsujimoto , 2008)