Well, the picture comes from a TV receiving random bullshit radio waves. That's basically the same thing that happens when you hit that nerve. It's not meant to convey pain, so it's essentially just a random bullshit signal.
1% of analog tv static is due to the cosmic microwave background, remnants of the early formation of the universe and critical evidence of the big bang. The og random bullshit signal.
"The story so far:
In the beginning the Universe was created.
This has made a lot of people very angry and been widely regarded as a bad move." -Douglas Adams The Restaurant at the End of the Universe
Well, first the Earth cooled, and then the dinosaurs came, but they were too big and fat, so they all died and got turned into oil, and then the arabs came and they bought Mercedes Benz. And then Prince Charles started wearing all of Lady Di's clothes.