ChatGPT and Essay Writing: Accumulating Cognitive Debt
2025-06-17
This study investigated the cognitive cost of using LLMs like ChatGPT for essay writing. Participants were divided into three groups: LLM, Search Engine, and Brain-only. Results showed that over-reliance on LLMs weakens brain connectivity, reduces cognitive skills, and impairs memory and sense of ownership. Long-term, the LLM group underperformed the Brain-only group across neural activity, linguistic ability, and scores, suggesting that excessive AI tool dependence may harm learning.
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