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.

Essay writing is a core part of academic life—whether you’re in high school, college, or pursuing post-graduate studies. For many students, however, writing an essay that not only earns an A+ but also reflects personal voice and clear thought can feel overwhelming.

Relying on ChatGPT significantly affects critical thinking abilities, according to a new study. Researchers from MIT Media Lab, Wellesley College, and Massachusetts College of Art and Design conducted a four-month study titled "Your Brain on ChatGPT" and found users of large language models (LLMs) like OpenAI's chatbot "consistently underperformed at neural,