Not always, because Jon Jones could be depressed from his mother dying or something, but generally, mental state is
I don't think it took Edmund for her to realize she couldn't stand with Holm lmao. I'm pretty sure she knew within the first 10 seconds. Hell, she knew before the fight she couldn't stand with her.
And really, she didn't fight like she could stand with her. She fought like she couldn't get her down, and he no footwork to get her against the cage, and grapple with her. When she did, she failed.
She was forced to fight that way. It's not like she stood in the center of the cage and went tit for tat with her. She was chasing her all night, and kept getting tagged. She had no say in the matter, whether Edmond, Greg Jackson, Firaz, Ray Longo, Angelo Dundee, or Floyd May weather Sr. told her she couldn't stand with her or not.