BCG Called It 'AI Brain Fry.' The Real Problem Goes Deeper — Your Decisions Are Silently Collapsing.

BCG just proved your brain is frying. But that's not the real problem. In March 2026, researchers from Boston Consulting Group and UC Riverside published a study in Harvard Business Review that gave a name to something many of us have been feeling. "AI Brain Fry" — mental fatigue from excessive use or oversight of AI tools beyond one's cognitive capacity. They surveyed 1,488 full-time US workers. 14% reported symptoms: mental fog, slower decision-making, headaches. Productivity dropped when people used more than three AI tools simultaneously. CNN, Fortune, Axios, CBS News — every major outlet covered it. The finding is real. I've felt it. You probably have too. But I've been working with AI for over three years now, and I think what BCG found is only the surface. They identified a symptom. The structural cause runs much deeper. What I actually experience is not fatigue — it's decision evaporation Some context about my situation. I'm a solo developer at a non-tech company. I built the I