By Andrea Bossi ·Updated March 29, 2026 < /> Getting your Trinity Audio player ready… The latest research looking at the effects of AI on our brain yielded a red flag warning.
Since ChatGPT launched late 2022, it’s felt like AI has accelerated its presence in every facet of our digital lives. In the workplace, it’s changing how recruiters look at resumes, changing how employees are expected to work, and putting jobs at risk. Employers have often pushed for AI, boasting its upside for efficiency’s sake, but emerging research tells a different story.
“AI promises to act as an amplifier that will drive efficiency and make work easier, but workers that are using these AI tools report that they are intensifying rather than simplifying work,” a team of Boston Consulting Group researchers wrote in their new study, titled “When Using AI Leads to ‘Brain Fry’,” published in the Harvard Business Review.
These researchers set out to understand what powered the exhaustion some workers reported feeling after using AI tools. Working with AI is purported as a way to make work easier, and BCG researchers wanted to uncover what’s missing from the picture.
Through their survey-based study of 1,488 full-time US-located workers, researchers found a phenomenon that they labeled “AI brain fry,” which describes the “mental fatigue from excessive use or oversight of AI tools beyond one’s cognitive capacity.” Some study participants experiencing this said they felt a buzzing (not in a euphoric way), mental fog, slowed decision making, and, on the more extreme side, headaches.
These effects were especially present for individuals who are more involved in overseeing and monitoring their AI. Researchers found “AI brain fry” was most common in those working in marketing, HR, operations, engineering and software development, and finance and cause harm.
Ahead, researchers suggest workplaces and their leaders get explicit about what’s expected around AI usage and workloads. They advise shifting metrics from being about quantity to quality and measurable impact, suggesting the strategic deployment of “human attention as a finite resource,” they wrote. After all, “AI brain fry” exposes how powerful and seemingly helpful tools can have adverse effects on the brains of those using them.
“We must learn how to apply that same power toward positive human and business outcomes alike,” researchers concluded.
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