AI can increase cognitive load.

"Lisanne Bainbridge’s seminal Ironies of Automation published in 1983 observed that when users must evaluate uncertain outputs from automated systems, mental effort often goes up. This ‘automation bias paradox’ means that while automation can reduce physical effort, it may increase mental effort especially when trust in its accuracy is shaky."

https://ia.acs.org.au/article/2025/ai-s-dirty-secret-that-no-one-is-talking-about.html