You might be referring to an interpretation of an experiment by Benjamin
Libet, which (at least seemed) to find that direct stimulation of the brain
had to be longer than 0.5s to evoke a conscious sensation. Google 'Libet'.
"Johan" <rwferge at spammail.com> wrote in message
news:fe9Wf.50093$d5.206745 at newsb.telia.net...
> Hi! Is it correct that it takes about 0.5 second to become aware of
> something that creates a neurological reaction in the brain?
>> When we hit the baseball the time is less than 0.5 second from when it
> the hand. How can we then see it leave the hand and hit it perfectly with