http://news.yahoo.com/s/nm/20091102/...us_mood_memory

If these studies are accurate, how fascinating. One could make good use of these findings, by means of altering their mood to suit the circumstance, and perhaps goad an outcome in his or her favour. If creativity calls, find a way to lift your attitude. If acute observation is required, start thinking with an air of gloom. Too bad mood is difficult to govern. Music is an option, drugs too, though those aren't as reliable.