Concerns Over Gen Z's Cognitive Abilities: Insights from Recent Testimony

In January 2026, neuroscientist Jared Cooney Horvath testified before the U.S. Senate Committee on Commerce, Science, and Transportation, asserting that "our kids are less cognitively capable than we were at their age." This statement has sparked widespread media attention, often summarized in sensational headlines suggesting that children are becoming "dumber." However, Horvath himself cautions that such interpretations are misleading and overlook critical nuances regarding the underlying issues.

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Horvath's testimony referenced the Negative Flynn Effect, a phenomenon where average IQ scores are declining in high-income Western nations, contrasting with the previous century's trend of rising scores. Researchers attribute this decline to environmental factors rather than inherent cognitive decline. Horvath emphasized that excessive screen time and digital distractions are significant contributors to this trend, particularly among Gen Z.

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Horvath's findings indicate that increased screen time in educational settings correlates with lower academic performance. International assessments, such as the Programme for International Student Assessment (PISA), reveal that students who report higher computer use in classrooms tend to score lower in reading, math, and science. Horvath argues that while educational technology can offer benefits, it often fails to deliver substantial long-term improvements in learning outcomes. He advocates for a more cautious approach to integrating technology in education, emphasizing the need for better evidence of effectiveness and student data privacy protections.

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Critics of the current educational landscape highlight that while students are spending more time on digital devices, their core skills in reading and math have stagnated or declined. Horvath's research suggests that off-task behavior during screen time contributes to this decline, as students often engage with non-educational content. He notes that traditional methods, such as reading on paper and taking handwritten notes, are more effective for deep learning and retention compared to digital formats.

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The implications of these findings extend beyond academic performance. Horvath warns that weaker cognitive skills may lead to long-term challenges in workforce readiness and national competitiveness. He calls for educational reforms that prioritize effective learning strategies and address the distractions posed by digital devices.

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In response to Horvath's testimony, various experts have suggested measures to combat the cognitive decline observed in Gen Z. Recommendations include banning artificial intelligence chatbots for minors, restricting phone use during school hours, and revising algorithms that promote excessive engagement on social media platforms.

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While Horvath's assertions have garnered attention, there are differing opinions on the extent of Gen Z's cognitive decline. Some argue that the observed trends may not solely be attributed to screen time, citing other variables that could influence academic performance. The debate continues regarding the best approaches to support Gen Z in overcoming these challenges.

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• “They’re the first generation in modern history to score lower on standardized academic tests than the one before it,” — Jared Cooney Horvath, Neuroscientist

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• “And to make matters worse, most of these young people are overconfident about how smart they are. The smarter people think they are, the dumber they actually are.” — Jared Cooney Horvath, Neuroscientist

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As discussions around Gen Z's cognitive abilities evolve, it is crucial to consider both the challenges and potential solutions to foster a more effective learning environment.

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