Visual clutter, known in the psych trade as visual complexity, is a sure-fire way to work your internal stress meter up to dangerous levels.If getting rid of clutter was straightforward, however, you would already have done so. With de-cluttering, you need a goal, and science provides one. Residential interiors designed by Frank Lloyd Wright have moderate visual complexity, and that needs to be your goal for your home. Look at a photo of a Frank Lloyd Wright interior and then…