As the use of artificial intelligence increases, a study from the Massachusetts Institute of Technology suggested that ChatGPT use can harm the ability to think critically over time.

Researchers at MIT’s Media Lab separated 54 study participants into three groups and asked them to write several SAT essays. One group used OpenAI’s ChatGPT, one used the Google search engine and one – dubbed the “brain-only” group – used nothing at all. Each writer’s brain activity was monitored across 32 regions by electroencephalography (EEG).

The study found that the participants who used ChatGPT over a few months “consistently underperformed at neural, linguistic, and behavioral levels” and had the lowest levels of brain engagement, while the “brain-only” group showed the “strongest, wide-ranging networks.”

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