神经科学家贾里德·库尼·霍瓦思指出，Z世代在标准化学术测试中的成绩首次低于上一代人，这标志着百年来首次出现代际学术能力下降1。成绩下降涵盖注意力、记忆力、识字、计算、执行功能和总体智商等全面范围1。霍瓦思将这一现象归因于教育过度依赖数字技术，导致学生长期暴露于屏幕环境1。
霍瓦思在2026年参议院听证会上表示，"在青少年保持清醒的时间中，超过一半的时间都在盯着屏幕"1。他认为这种屏幕依赖使学生习惯快速浏览而缺乏深度学习能力1。教育软件取代了教科书、长篇阅读和扩展问题解决能力的训练1。
霍瓦思进一步表示："我们这代人不得不面对的悲哀事实是：我们的孩子在认知能力上不如我们当时那样强"1。这种学术表现下降的趋势并非仅限于美国。大约80个国家都出现了类似的成绩下滑，其时间与数字技术在课堂广泛应用的推进相关1。
Neuroscientist Jared Cooney Horvath has identified a historic reversal in educational achievement, noting that Generation Z scores lower than their predecessors on standardized academic tests for the first time in a century 1. The decline spans multiple cognitive domains including attention, memory, literacy, mathematical ability, executive function, and overall IQ 1.
Horvath attributes this performance drop primarily to excessive reliance on digital technology in educational settings and prolonged screen exposure among young people 1. He emphasized during a 2026 Senate hearing that "more than half of the time teens spend awake is spent staring at screens" 1. The shift from traditional textbooks and extended problem-solving exercises to educational software has fundamentally altered how students learn, favoring rapid scanning over deep engagement with material 1.
The phenomenon extends beyond the United States, with approximately 80 countries reporting similar declines in academic performance that correlate with the widespread adoption of digital technology in classrooms 1. Reflecting on the troubling trend, Horvath stated: "The sad reality our generation has to face is that our children are not as cognitively strong as we were at their age" 1.
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