A new study suggests AI may be giving some workers what researchers are calling "brain fry." The study by the Harvard Business Review found that people constantly using multiple AI tools reported more decision fatigue and more errors. The study also found that AI can reduce burnout as well as create it. The study revealed that less brain fry was seen among employees whose managers were intentional with their AI use. Julie Bedard, managing director and partner at Boston Consulting Group and an author of the study says the findings are an "early warning sign" that expectations around AI productivity may need recalibrating.