30 images a second
Having a subject stare at a flickering light is a standard means of inducing hypnosis. Also, Mander said, the TV sends out 30 images a second. That's three times too many for the conscious mind to process, so the images shoot directly to the subconscious.
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Davis University
https://web.cs.ucdavis.edu/~koehl/Teaching/ECS188_F19/Reprints/Mander_Chapter10.pdf---
Would anyone deny this was a deliberate mechanism?