Computer gaming improves brain function

This article is about testing for IQ:

http://www.uwo.ca/its/brain/iqmyth/

But this line stood out in the results:

“Intriguingly, people who regularly played computer games did perform significantly better in terms of both reasoning and short-term memory, says study researcher Adam Hampshire from Western’s Brain and Mind Institute. “And smokers performed poorly on the short-term memory and the verbal factors, while people who frequently suffer from anxiety performed badly on the short-term memory factor in particular.”