This is freaking me out: A video that can read your mind

Focus on one of these two, either “brainstorm” or “green needle”. Only think of one, then click play on the video embedded in the tweet below:

Lucky guess, right? Now switch words, really focus on just one word at a time.

No matter the order, I hear the word I was thinking every freaking time. Crazy. Is this brainwashing? Or just cool brain science? This is damn close to magic, as far as I am concerned.