Experts warn that AI will make your brain work less

Experts warn that AI will make your brain work less

By bbc.com
Publication Date: 2025-12-20 01:45:00

yacobchuk/Getty Woman lies on a medical bed wearing a cap with multiple electrodes and wires attached to her head. In the background, a medical professional in a white coat examines brain scan images displayed on a monitor.yacobchuk/Getty

MIT researchers used electroencephalography to record brain activity while humans used generative AI

What was the last thing you asked an AI chatbot to do?

Maybe you asked for an essay structure to answer a tough question, provide an insightful analysis of a large data set, or to check whether your cover letter matches the job description.

Some experts worry that outsourcing such tasks will cause your brain to work less — and could even impair your critical thinking and problem-solving skills.

Earlier this year, the Massachusetts Institute of Technology (MIT) published a study showing that people who used ChatGPT to write essays showed less activity in brain networks associated with cognitive processing during the exercise.

These people also couldn’t quote from their essays as easily as those in the study who didn’t use an AI chatbot.

The researchers said their study shows “the urgent need to investigate a possible decline in….”