Tunnel Vision and Tunnel Hearing
Looking at some videos and articles on gunfights that LEO's have gone through historically, I have heard the terms of tunnel vision and tunnel hearing.
Has there been any research on the idea that these aspects of a gunfight, or any situation of life and death emergency, are psychologically applied inadvertently in recall?
In other words, is it possible that during the actual gunfight there was not an effect of tunnel vision? Has there been any research or study that might have shown that tunnel vision is something applied only during the remembering stage of what happened?