Researchers at the University of California at Davis conducted a small study testing how Buddhist meditation affects focus and attention to visual detail.
Volunteers attended a three month long meditation retreat where they also took visual computer tests.
As the retreat went on and the medication continued, they did better on the tests.
Months after the retreat, the same people were tested again. Those who continued to meditate every day were able to maintain their level of concentration.
There are plans to expand the investigation to also look at meditation's ability to regulate emotion and improve general well being.