When Using AI Leads to “Brain Fry”
This study supplies the ‘brain fry’ numbers: more serious errors, more decision fatigue and a point at which adding another AI tool stopped helping and began making the work worse.
Cited in
Bedard, Julie, Matthew Kropp, Megan Hsu, Olivia T. Karaman, Jason Hawes, and Gabriella Rosen Kellerman. 'When Using AI Leads to “Brain Fry”.' Harvard Business Review, 5 March 2026.