“AI Is Rotting Our Brains”: MIT Study Reveals ChatGPT’s Shocking Impact on Critical Thinking and Cognitive Skills in Students

Michael Schneider

By Michael SchneiderPublished June 23, 2025

Illustration of the impact of AI on cognitive skills and student learning (AI-generated, non-realistic illustration). Credit: Ideogram.

Artificial intelligence, particularly tools like ChatGPT, has sparked widespread debate regarding its impact on learning and critical thinking. As AI becomes more prevalent in educational settings, questions arise about whether these technologies are beneficial tools or if they contribute to a decline in cognitive abilities. Recent findings from a study conducted by the Massachusetts Institute of Technology (MIT) suggest that using AI in academic tasks might lead to what they term “cognitive debt.” This article explores the implications of these findings and the potential effects of AI on students’ learning processes and critical thinking skills.

The Study: AI Versus Brain Power

In an effort to understand the impact of AI on cognitive engagement, a team of researchers at MIT conducted a study involving 54 adults. The participants were divided into three groups: one used ChatGPT, another relied on a search engine, and the last group used only their cognitive abilities, referred to as the “brain-only” group. Over four months, these groups were tasked with writing essays, and their cognitive engagement was measured through brain activity and linguistic analysis.

The results were revealing. The group using AI showed significantly lower cognitive engagement compared to the other groups. Participants who used AI had more difficulty recalling essay content and expressed a reduced sense of ownership over their work. When roles were switched in the final essay, the AI-to-brain group struggled to match the cognitive engagement of those who had used their brains exclusively from the start. This suggests that prolonged AI use might lead to a decrease in critical thinking and problem-solving skills.

Understanding Cognitive Debt

The concept of “cognitive debt” is central to the study’s findings. It refers to the decline in cognitive skills due to over-reliance on AI tools. Just as financial debt accumulates with excessive borrowing, cognitive debt builds up when individuals rely too much on external tools for tasks that require mental engagement. The MIT study suggests that prolonged AI use can lead to a dependency that diminishes the ability to think critically and solve problems independently.

However, it is important to note that this study’s findings are preliminary, as only 18 participants completed the final session. The researchers caution that more extensive testing is needed to fully understand the implications of AI on cognitive skills. Despite these limitations, the study highlights a growing concern among educators and researchers that AI could potentially hinder the development of essential cognitive abilities if not used judiciously.

Implications for Education

The introduction of calculators in the 1970s offers a historical perspective on integrating technology in education. Back then, educators responded by making exams more challenging to ensure students still engaged in complex problem-solving. Today, the challenge lies in integrating AI into education in a way that enhances rather than diminishes learning.

Currently, educational standards have not adapted to incorporate AI as a necessary component of learning processes. Many educators continue to expect the same level of work as before, without considering how AI might change the nature of these tasks. This can lead to what researchers describe as “metacognitive laziness,” where students offload critical engagement to AI, reducing their ability to think independently. For AI to be beneficial, educational systems need to evolve, focusing on tasks that require genuine creativity and critical thinking while utilizing AI for tasks that can efficiently be automated.

Adapting to an AI-Powered World

As AI becomes increasingly integrated into various aspects of life, understanding how to use these tools effectively is crucial. Future generations need to develop skills that balance the benefits of AI with the necessity of critical thinking and problem-solving. This requires a shift in educational practices, emphasizing when and how to utilize AI for optimal learning outcomes.

Producing essays or solving complex problems solely with the aid of AI does not demonstrate true understanding or creativity. Instead, students must learn to discern which tasks can be delegated to AI and which require their direct involvement. This approach not only preserves cognitive skills but also prepares students for a world where AI is an integral part of everyday life. As the conversation around AI and education evolves, one must ask: How can we effectively integrate AI into learning without compromising the development of essential cognitive abilities?

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Michael Schneider

ABOUT THE AUTHOR

Michael is a multidisciplinary storyteller who enjoys exploring the intersection of ideas across culture, economy, health, science, and beyond. He has a keen eye for detail and a knack for turning complex topics into engaging, accessible reads. Whether covering the latest research, a social movement, or a shift in global dynamics, Ethan approaches every subject with balance, clarity, and a sense of wonder.

10 comments

  • willow_symphony

    What if AI could be programmed to enhance critical thinking rather than replace it? Is that possible?

  • kyliecitadel

    Thank you for the insights! More studies like this are needed to guide AI integration in education.

  • Arianna_Astral0

    Could this “cognitive debt” be reversed by reducing AI usage, or is it a permanent change?

  • This makes me think of the calculator debate! History really does repeat itself, doesn’t it?

  • lunaillusion

    How can parents support their kids in developing critical thinking skills amid the rise of AI?

  • layla_zephyr

    So, is it time to dust off those old textbooks and ditch AI for good? 😂

  • oliviatranquility

    Interesting read! I wonder if this applies to other AI tools beyond ChatGPT?

  • naomishadow

    Is there any evidence that AI tools can actually enhance cognitive skills if used correctly?

  • Thanks for sharing this study! It’s crucial to find a balance between technology and traditional learning.

  • Wow, this is eye-opening! How can educators adapt their teaching methods to prevent cognitive debt while still using AI? 🤔

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