[taneq]

> One thing that it is safe to assume is genetically encoded somehow is that sounds made by your parents/humans around you is worth repeating while other sounds are not.

Well, these sounds come with a face attached and we know babies are hardwired to pay attention to faces.

[tsimionescu]

That may well be the mechanism behind this. I was talking in very general terms, not a specific 'imitate humans' structure in the brain.