Test subjects were asked to find a group of diagonal lines and a caret against an obscuring background of lines. Their sleeping brainwaves before and after the task were compared with their performance of the task. Sleep appeared to help visual learning. Credit: Watanabe lab/Brown University
At the Society for Neuroscience annual meeting in San Diego Nov. 10, 2013, Brown University scientists presented research showing what happens in the brain during sleep to lock in learning of a visually oriented “Where’s Waldo”-like task.