What are neural networks?
Biologically speaking, a mystery. Mathematically speaking, also a mystery.
This video is helpful, though. This entire channel is. I think that there is something to be said about the quality of education you can find on youtube for free.
I also watched a lot of various Adobe After Effects videos throughout the final project. I don’t really remember any of them, because I would just google “how find X in adobe after effects,” and “how to make video black and white” etc.