The study, from MIT Lab scholars, measured the brain activity of subjects writing SAT essays with and without ChatGPT.

Largely, the study found that those who relied solely on ChatGPT to write their essays had lower levels of brain activity and presented less original writing.

The brains of people writing an essay with ChatGPT are less engaged than those of people blocked from using any online tools for the task, a study finds. The investigation is part of a broader ...