"University of Michigan psychology research in the December issue of
Psychological Science explored the cognitive benefits of interacting with nature
and found that walking in a park in any season, or even viewing pictures of
nature, can help improve memory and attention."
I will direct you to the full article, and a great related article, in a moment. But first I will share some soothing nature pictures that may benefit you cognitively...
here. And a related, slightly more detailed article here.
Credit to Wren and the ODNR's WildOhio eNewsletter for leading me to this article.