What is “Mag Lag”?

Hello, I just graduated and looking into different modalities for progression. Someone mentioned “mag lag” in MRI, I've tried to google but there isn't a lot written about it. What is it? Any long-term effects or is it just temporary? Ty.

"Mag Lag" also known as the subtle effect on cognitive processes of MRI machine operators who sometimes have to go into the scanner room to check the patients and deal with issues that occur during the scan could suggest a link between magnetic fields and consciousness