1 July, 2025
mit-study-reveals-alarming-cognitive-effects-of-chatgpt-use

CAMBRIDGE, MA – Scientists at the Massachusetts Institute of Technology have uncovered startling results in the brain scans of ChatGPT users, contributing to the growing body of evidence that artificial intelligence is profoundly impacting human cognition.

Immediate Impact

In a groundbreaking study awaiting peer review, researchers at MIT’s renowned Media Lab documented significant differences in brain activity between individuals using ChatGPT for writing tasks and those who did not. The study highlights the cognitive effects of AI tools as their popularity surges worldwide.

The research team conducted the study over four months, involving 54 adults aged 18 to 39. Participants were divided into three groups: one using ChatGPT for essay writing, another using Google search, and a third relying solely on their cognitive abilities without AI assistance.

Key Details Emerge

Throughout the study, participants were tasked with writing one essay per month for the first three months. In the fourth month, some participants switched their method of assistance, either adopting or abandoning ChatGPT.

While writing, participants’ brain activity was monitored using electroencephalogram (EEG) machines. The findings were striking: the ChatGPT group consistently underperformed at neural, linguistic, and behavioral levels, showing weaker neural connectivity and under-engagement of alpha and beta networks.

The Google-assisted group showed moderate neural engagement, while the “brain-only” group exhibited the strongest cognitive metrics.

By the Numbers

  • 54 participants aged 18-39
  • Study duration: 4 months
  • Essay tasks: 1 per month for the first three months
  • EEG findings: Weaker neural connectivity in ChatGPT users

Industry Response

The study’s revelations echo previous research, including findings from Carnegie Mellon and Microsoft, which suggested heavy chatbot use might atrophy critical thinking skills. OpenAI, the creator of ChatGPT, has acknowledged these concerns and emphasized their commitment to user safety.

“We know people use ChatGPT in a wide range of contexts, including deeply personal moments, and we take that responsibility seriously,” OpenAI stated. “We’ve built in safeguards to reduce the chance it reinforces harmful ideas.”

Expert Analysis

Experts warn that the cognitive impacts of AI tools like ChatGPT extend beyond the neurological, affecting mental health as well. Anecdotal evidence suggests users are developing dependencies and experiencing withdrawal symptoms when deprived of AI assistance.

Futurism’s recent investigation found that some users have become obsessed with ChatGPT, leading to paranoid delusions and even cessation of psychiatric medication based on chatbot interactions.

Background Context

This development builds on prior studies that highlighted the potential risks of AI on human cognition. Earlier research from MIT noted that ChatGPT “power users” were showing signs of addiction, raising alarms about the long-term implications of AI integration into daily life.

What Comes Next

The timing is particularly significant as AI technology continues to integrate into various sectors of society. Despite growing concerns, there is little evidence that corporations are slowing their efforts to embed AI into everyday applications.

As the debate over AI’s role in society intensifies, further research is essential to understand its cognitive and psychological impacts fully. The findings from MIT underscore the need for ongoing scrutiny and responsible AI development.

The move represents a significant shift from traditional writing aids, prompting a reevaluation of how AI tools are deployed in educational and professional settings.