This deep dive presents the methodology and findings of an extensive study investigating the cognitive and linguistic impacts of using Large Language Models (LLMs), search engines, or no tools ("Brain-only") for essay writing over four sessions with university participants.
Kosmyna N, Hauptmann E, Yuan YT, Situ J, Liao XH, Beresnitzky AV, et al. Your Brain on ChatGPT: Accumulation of Cognitive Debt when Using an AI Assistant for Essay Writing Task. Published June 2025. doi:10.48550/arXiv.2506.08872.
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