Robert Genn discusses jogging (err, walking) the mind by getting outside:
When your studio work comes to a block or a problem, you need to put down your brush or send your laptop into sleep mode, and
grab your hat. If you walk briskly, blood will soon be checking out the remote corners of your cortex. As if you are in the company of a miraculous goddess, blessed answers materialize like gifts.
Read the rest of his latest post at The Painters Keys.