Simone Biles says she still has the 'twisties' and it's impacting her on the 4 individual events

In a series of Instagram stories, Simone Biles shared videos -- which since have been deleted -- of herself struggling with her dismounts on the uneven bars and answering questions about having the twisties, a mental block in gymnastics where competitors lose track of their positioning midair.

source https://www.cnn.com/2021/07/30/sport/simone-biles-olympics-twisties-spt/index.html