[lightedman]

Try musicians that are used to playing extremely high speed semihemidemisemiquavers.

We notice latency. Neil Peart could almost get sample-precise timing, he was so godlike.

[gf000]

Humans are good at predicting stuff, and they can notice when the expected doesn't happen.

But I wouldn't necessarily say that people can notice it everywhere in every state of mind. The medium, context etc all matter a lot.