Not sure if it qualifies, but I took a class called "Drawing for the Artistically Impaired".
It was taught by a guy who was supposedly an expert on teaching you to use the "other half" of your brain and to break through the "roadblocks" that convinced you that you couldn't draw.
Although I  did do better than most others in the class, I still don't think I can draw. Apparently, I have roadblocks the size of the Hoover Dam..... Damn.