（来源：中国妇女网） 转自：中国妇女网 卡罗琳医学院日前发布的新闻公报介绍，过去15年间，随着电子屏幕和数字媒体使用大幅增加，在许多 国家，注意缺陷与多动障碍（俗称"多动症"）诊断量也明显上升。科研团队希望探究不同屏幕使用习惯 与相关症状之间是否存在关联。 这项由卡罗琳医学院和美国俄勒冈健康与科学大学合作开展的研究，纳入了8324名居住在美国、起始年 龄为9至10岁的儿童，并对他们进行了为期4年的追踪随访。儿童定期报告自己使用社交媒体、看电视以 及玩电脑游戏的时长；家长评估孩子的注意力水平以及多动、冲动等行为表现。 研究发现，儿童使用社交媒体的时间随年龄增长显著增加：9岁时平均每天使用约30分钟，13岁时则增 至约2.5小时。分析结果显示，使用社交媒体与儿童注意力之间存在显著关联，儿童经常使用社交媒 体，其注意力会随着时间推移而逐渐下降。而看电视、玩电脑游戏则未发现类似关联。研究未发现儿童 多动或冲动行为随社交媒体使用增加而上升。 原标题：研究发现儿童经常使用社交媒体注意力会逐渐下降 瑞典卡罗琳医学院参与的一项国际研究显示：经常使用社交媒体的儿童，其注意力会随时间推移出现下 降趋势，而看电视、玩电脑游戏等其他 ...

新华社斯德哥尔摩12月10日电（记者朱昊晨 徐谦）瑞典卡罗琳医学院参与的一项国际研究显示， 经常使用社交媒体的儿童，其注意力会随时间推移出现下降趋势，而看电视、玩电脑游戏等其他屏幕活 动未发现类似关联。该研究成果已发表在美国《儿科开放科学》杂志上。 卡罗琳医学院日前发布的新闻公报介绍说，过去15年间，随着电子屏幕和数字媒体使用大幅增加， 在许多国家，注意力缺陷多动障碍（俗称多动症）诊断量也明显上升。科研团队希望探究不同屏幕使用 习惯与相关症状之间是否存在关联。 这项由卡罗琳医学院和美国俄勒冈健康与科学大学合作开展的研究，纳入了8324名居住在美国、起 始年龄为9至10岁的儿童，并对其进行了为期4年的追踪随访。儿童定期报告自己使用社交媒体、看电视 以及玩电脑游戏的时长；家长评估孩子的注意力水平以及多动、冲动等行为表现。 科研人员表示，社交媒体往往意味着内容快速切换，并 伴随 源源不断的消息和通知，这些持续的 干扰会削弱大脑保持专注的能力，可在一定程度上解释上述关联。 科研人员强调，研究结果并不意味着所有使用社交媒体的儿童都会出现注意力问题，但提示有必要 进一步讨论年龄限制和平台设计方式等问题。科研团队计划继续追 ...

Group 1 - The Chinese government has introduced a personal consumption loan interest subsidy policy, allowing a maximum subsidy of 3000 yuan per loan institution [2] - The subsidy for service industry entities can reach up to 1 million yuan per loan [2] - The U.S. and China have agreed to suspend the implementation of 24% tariffs for 90 days while retaining 10% tariffs on certain goods [5] Group 2 - The Ministry of Finance and the Ministry of Emergency Management have allocated 170 million yuan for disaster relief due to severe rainfall and geological disasters in several provinces [6] - The State Administration for Market Regulation is drafting new regulations to enhance food safety supervision in online food transactions [7] - In the first half of the year, over 13 million new business entities were established in China, with private and foreign enterprises showing growth [9] Group 3 - The National Development and Reform Commission announced that domestic fuel prices will remain unchanged, marking the sixteenth adjustment cycle with a net decrease in prices compared to the end of 2024 [10] - Shanghai has opened the door for the transformation of commercial buildings into rental housing, allowing for a mix of functions including rental apartments and childcare [12] - Shenzhen's landmark shopping center, Huangting Plaza, is set for auction with an estimated value of 4.36 billion yuan, starting at 3.05 billion yuan [13] Group 4 - The U.S. national debt has surpassed 37 trillion dollars, raising concerns about the fiscal situation [18] - The Australian Federal Court ruled that Apple and Google engaged in anti-competitive behavior, allowing consumers and developers to seek compensation [22] - Iran has expressed willingness to negotiate directly with the U.S. regarding nuclear talks under suitable conditions [23] Group 5 - China Evergrande Group's listing status will be canceled, marking the end of its 16-year journey on the stock market [28] - McDonald's clarified its hiring practices, stating that it complies with labor laws and offers flexible employment options, including re-employment of retirees [29] - The A-share market has seen a rapid increase in the number of stocks doubling in value, with 269 stocks achieving this milestone, particularly in the machinery and pharmaceutical sectors [34]

第一财经每日早间精选热点新闻，点击「听新闻」，一键收听。 上海机场12日起取消进航站楼时人身和行李安检 记者12日从上海机场方面确认，上海虹桥机场和浦东机场当日起优化出入口安检措施，进候机楼时不再进行人 身和行李安检，只保留行李防爆检测。在此之前，乘客在上海两个机场搭乘航班时，除了需在登机前接受安 检，还要在进入航站楼时就安检一次。 "特普会"细节公布 泽连斯基：不接受没有乌方参与的决定 当地时间12日，美国白宫公布"特普会"更多细节，美国总统特朗普与俄罗斯总统普京将于15日在美国阿拉斯加 州最大城市安克雷奇举行会晤，会晤将以一对一形式举行。白宫还称特朗普未来或有访问俄罗斯的计划。12 日，乌克兰总统泽连斯基表示，俄美峰会在美国领土举行是普京个人的胜利，这次会谈的地点意味着普京正在 摆脱孤立状态。泽连斯基说，尽管此类领导人层面的会谈意义重大，但任何涉及乌克兰的决定，若没有乌克兰 的参与，都是不可接受的。特朗普与普京的对话，虽然可能对美俄双边关系至关重要，但在没有乌克兰参与的 情况下，他们无权就乌克兰问题做出任何决定。 内塔尼亚胡称加沙停火谈判"已成过去时" 以色列总理内塔尼亚胡12日对媒体表示，以色列与巴勒斯 ...

Macro Dynamics - The Chinese Ministry of Foreign Affairs confirmed the extension of the US-China tariff "truce" for an additional 90 days, with President Trump emphasizing ongoing dialogue to address trade imbalances and national economic security issues [1] Financial Institutions - Zhang Yichi, former chief analyst at Caitong Securities, has joined Huachuang Securities as the deputy director of the research institute, focusing on the power equipment and new energy sectors [6] Market Data - On August 12, A-shares saw collective gains, with the Shanghai Composite Index rising by 0.5% and the Shenzhen Component Index increasing by 0.53%. The total trading volume reached approximately 1.88 trillion yuan, an increase of about 54.55 billion yuan from the previous trading day [8] Company Dynamics - WeChat's "Fenfu" has launched a "loan" feature, allowing users to borrow against their transaction history for consumption purposes, with specific eligibility criteria [8] - Adidas publicly apologized for the design of its new shoe "Oaxaca Slip-On," which was accused of cultural appropriation from Mexican indigenous footwear [9] - Huawei has announced a patent for a low-power dual motor controller aimed at improving electric vehicle efficiency [10] - Neta Auto's parent company, Hozon Auto, has been listed as a dishonest executor by a court due to non-compliance with asset reporting regulations [11] - Micron Technology announced it will cease the development of future mobile NAND products globally due to poor market performance, while continuing to support other NAND solutions [12] - The Australian Federal Court ruled that Apple and Google engaged in anti-competitive practices related to their app store operations, potentially allowing for consumer compensation [13]

Core Points - The Australian Federal Court ruled on August 12 that Apple and Google are in violation of anti-competitive laws due to their abuse of market dominance in operating app stores [2] - The ruling allows Australian consumers and app developers the opportunity to seek compensation [2] - Analysts suggest that this ruling could significantly impact the operational methods of digital platforms in Australia [3]