Disorder of the thought stream .. Slow pace of thoughts or speed. Slow thinking and flying ideas The disturbance of the brainstream may slow down the flow of thoughts. This is called slow thinking. It may speed up and it is called flight of ideas. It may stop for a moment and then come back into effect. This is called obstruction. Share This: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook