Experiment shows brief meditative exercise helps cognition
esciencenews.com
esciencenews.com
http://news.ycombinator.com/item?id=587032
Shamatha, peaceful abiding, or mindfulness meditation is what is referred to in the study. Vipassana goes a bit further than that into active meditation. I've never tried that and have no knowledge of its efficacy.
The first link here has schedule for practice sessions in Seattle. http://www.google.com/search?q=Shamatha%2C+seattle
Now, I need to find an objective way to measure before and after. Ideas?