VideoYour brain is quietly outsourcing itself
TL;DR The more AI helped people write, the weaker their own brain activity. Think for 15 minutes before you prompt.
MIT put people in EEG caps and had them write essays: one group with AI, one with a search engine, one with nothing. The more help people had, the weaker their brain connectivity. Many in the AI group couldn't quote a single line of the essay they'd just finished.
Honest caveat: it's a preprint with 54 people and already a rebuttal. I think the direction is right, but hold it loosely. The tool isn't the problem. The way we adopt it is.
- 15 minutes: think about the problem yourself first
- Draft first. Messy bullet points count
- Interrogate the output. Don't accept, revise
Sources: Kosmyna et al. (2025), arXiv preprint.
