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Study Reveals Cognitive Risks of Relying on LLMs

4/21/2026

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Story summary
  • Researchers raise concerns about the cognitive costs of relying on large language models for writing cover letters.
  • Nataliya Kosmyna, a research scientist at MIT, observed that many applicants used large language models (LLMs), producing similar, polished letters.
  • Kosmyna noted that her students forget content more easily than in prior years.
  • Kosmyna is investigating the potential cognitive effects of growing dependence on large language models (LLMs).