amnesia

车祸后她患上了失忆症，连家人的面孔都认不出来了。

After the car accident, she developed ___amnesia and couldn't even recognize her family's faces.

车祸后，他对事故发生前几分钟的事情完全失忆了。

After the car accident, he had total ___amnesia about the minutes leading up to it.