http://www.forcesciencenews.com/home/current.html
"Initial research has been completed in a major new study that may eventually help improve police performance during high-intensity events, like shootings or life-threatening pursuits, and define what an officer can reasonably be expected to remember about such incidents afterward. A staggering amount of fresh data regarding brain activity is currently being analyzed. But already preliminary evidence strongly suggests that the ability to sort out important information from multiple sources in a complex scene and to recall details later is linked decisively to the amount of relevant skill training an officer has received.