Perception of lag (Re: Is Intel exceptionally unsuccessful as an architecture designer?)

In article <vcgjns$g1mt$1@dont-email.me>, terje.mathisen@tmsw.no (Terje
Mathisen) wrote:

My cousin Nils has hearing loss after a lifetime spent in studios
and playing music, he can't use the offered hearing aids because
they add 3-4 ms of latency. (Something which he noticed
_immediately_ when first trying a pair.)

I get similar problems using cameras with electronic viewfinders after
decades of optical ones. I suspect it's not the absolute lag that gets
noticed, but the offset between when your fingers do something, and the
signal reaches your senses.

John