How does the brain process sexuality, and what causes people to change their gender? (this is for school, please don't harass me)

In a phsychological point of view our brains release a hormone that causes us to think in other ways and makes us do things speaking with respect. It all has to do with pshycology.

hope i helped

Well, I am a christian so I believe in God. This is just me answering a question.

Sadly, this type of stuff has been around for a long time and I too have struggled with my sexuality. The brain does not simply "process" changing genders. Your consciousness is constantly trying to tell you to stop trying to change.  People get pressured. They get sick. They let society control them. Personally, I still don't fully understand this "life" thing. I don't think I ever will. I am what some people call a "tom-boy" and I am beyond okay with being called a "tom-boy." Why? Because it is just a label and I am who I am. So to think that your brain "processes" this "idea" is really just that...an Idea. Our brains cannot process something that people in general cannot understand as a whole.