http://digitrix6.com/2009/01/10/navigating-a-city-park/ We tend to think of memory simply as storage and retrieval. Click the lock and the door opens. When you sleep, your thoughts start replaying in an almost literal sense, like replaying a movie that you just watched. This coordinated replay may be a sign of memory being transformed, or consolidated, in the brain. Thu, 02 Sep 2010 00:52:25 +0000 hourly 1 http://wordpress.com/