It happens in most extreme stress situations; the brain picks what it perceives to be the most important thing to look at and then blocks out anything else to maintain concentration there. That's why most defensive training includes forcing yourself to scan as soon as that threat is dealt with.The Annoyed Man wrote:It's not a matter of "good" or "bad." Tunnel vision is a byproduct of the adrenaline dump, and very likely it is unavoidable for most people.
" onclick="window.open(this.href);return false; explains tunnel vision, auditory exclusion and other intense stress effects very well.