What Hyuga abilities would come up with?
1. The first ability I would come up with, is something like Spiritual Pressure from Bleach. Using my Chakra, not only could the user sense the opponent's emotions and intentions, but he could communicate with it as well. He could even use it to lock up the opponent(s), with strong killer intent.
2. The second would be to create another mind inside her, by sectioning off charka. Similar to what Minato did when he put his chakra inside Naruto. The user could have one mind tackle one problem and the other tackle another problem, simultaneously. Basically she would be able to think 2 things at once. It's not the same as split personalities, but actually 2 different selves working in tandem, simultaneously.