Your Brain on ChatGPT (Kosmyna et al. 2025) | MIT Media Labs

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🎙️✨ Welcome to another mind-bending episode of Revise and Resubmit! ✨🎙️

Today’s episode is not just about writing essays… oh no. It’s about what your brain is really doing when ChatGPT becomes your study buddy 🤖🧠. Are you sharpening your intellect—or unknowingly writing an IOU to your own cognitive future?

📄 In this electrifying preprint from MIT Media Lab, titled “Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task,” a powerhouse team of researchers—Nataliya Kosmyna, Eugene Hauptmann, Ye Tong Yuan, Jessica Situ, Xian-Hao Liao, Ashly Vivian Beresnitzky, Iris Braunstein, and the ever-iconic Pattie Maes—took 54 participants, wired their brains with EEG sensors ⚡, and unleashed them into four rounds of essay writing... but with a twist 🧠✍️.

Some relied on just their brains. Others got help from search engines. And the rest? They had ChatGPT by their side. But when the tools were taken away… what happened?

🧠 Brain-only writers lit up like neural fireworks. 💻 Search Engine users hovered in the middle. And LLM users? Well… let’s just say the lights were dimmer than expected. 😶‍🌫️

From memory loss to essay disownership, from reduced alpha/beta connectivity to underwhelming essay scores judged by both humans and AI, this paper uncovers the real toll of leaning too hard on AI for intellectual labor.

But here’s the kicker—🤔 if LLMs make us faster, yet weaker thinkers... is convenience quietly bankrupting our brains?

💥 Big thanks to the brilliant authors of this study. You’ve sparked a conversation we need to have. 🔥

🎧 Don’t forget to subscribe to Revise and Resubmit on Spotify and our YouTube channel Weekend Researcher 📺. You’ll also find us on Amazon Prime and Apple Podcast. Because the future of learning is just one click away… and so are its consequences. 🧩

🌀 So tell me, listeners…
When the machine writes the essay, who’s really doing the learning? 🧠💭

Reference

Kosmyna, N., Hauptmann, E., Yuan, Y. T., Situ, J., Liao, X.-H., Beresnitzky, A. V., Braunstein, I., & Maes, P. (2025). Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task. ArXiv.org. https://arxiv.org/abs/2506.08872

Nataliya Kos'myna. (2025). Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task – MIT Media Lab. MIT Media Lab. https://www.media.mit.edu/publications/your-brain-on-chatgpt/

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