Most may be uncontrolled actions. I have no ideal of the causes.


Possibly the worse case I know of is where a pornographic type film played over and over in his mind. All the time he claimed. It was always present and in the background.


Where I grew up there was a person that stood on the sidewalk and lurched at cars passing all day long. This went on for all the years I lived there. At least to my knowledge nobody made fun of him.