Make or get a human to stare at streams long enough and they’ll attune to the patterns. We’re wired for patterns. It doesn’t even have to be conscious and explainable. The signals just suddenly aren’t right.
My s/o is convinced she has a tell when we play rock / paper / scissors, and maybe she does, but if so I don’t know it. I just know that if I observe her closely and don’t make a conscious decision about what to throw, I win 80% of the time.
Somewhere deep in my brain, there are neurons that developed for some more evolutionarily-relevant purpose and which are now a little disgusted with how they’re being used.