I’ve been thinking a lot about rumination recently… actually have been for quite a while. Obviously, rumination can  hinder productivity. Psychologists have looked at the dark-side of rumination, to the point of defining it as counterproductive.  However, some measure of obsession and tenacity is required in order to stick with and solve hard problems. The history of expertise and creativity in science are a testament to such tenacity. (See the discussion of cognitive miserliness and other thinking dispositions in Cognitive Productivity. [Footnote 1] )
Continue reading On Ruminating and Intrusive Thinking…