> ... in experiments in which all outer sensation is withdrawn, the subject begins a furious fill-in or completion of senses that is sheer hallucination. So the hotting-up of one sense tends to effect hypnosis, and the cooling of all senses tends to result in hallucination.

Must quote the last paragraph of Chapter 2: "Hot and Cold media", from Marshall McLuhan's Understanding Media, which I've double-underlined.

For it simultaneously explains to me; TikTok (quick consume-scroll-like-react-"create" dopamine hit cycles) and LLMs (outsourcing the essential mechanical friction of thinking (which requires all senses, for me at least))...

The essential friction of deliberate, first-party speech-making---misspellings and all---is why voice and conversation contains life.