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MIT Experiment Finds ChatGPT-Assisted Writing Weakens Student Brain Connectivity and Memory
ChatGPT-assisted writing dampened brain activity and recall in a controlled MIT study [PDF] of 54 college volunteers divided into AI-only, search-engine, and no-tool groups. Electroencephalography recorded during three essay-writing sessions found the AI group consistently showed the weakest neural ...
ChatGPT-assisted writing dampened brain activity and recall in a controlled MIT study[PDF] of 54 college volunteers divided into AI-only, search-engine, and no-tool groups. The pattern reversed for students who first wrote unaided: introducing ChatGPT in a crossover session produced the highest connectivity sums in alpha, theta, beta and delta bands, indicating intense integration of AI suggestions with prior knowledge. The MIT authors warn that habitual reliance on large language models "accumulates cognitive debt," trading immediate fluency for weaker memory, reduced self-monitoring, and narrowed neural engagement.
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