Dr . T. H. Weisenburg, a neurologist at the Philadelphia General Hospital, accumulated more than two miles of "cinematograph" film that recorded the actions and expressions of patients suffering from nervous disorder. In the 28 December 1912 Journal of the American Medical Association Dr. Weisenburg reported on his use of motion photography in studying nervous diseases and his use of the films in his medical school course on nervous diseases. In his classroom discussions of epilepsy, he first lectured on the disease and then showed the reel that contained the different types of epilepsy. His students had the advantage of seeing many more different types of epilepsy than Dr. Weisenburg t h o u g h t they would see from their clinical exprience. The films also provided a means of diagnosis, especially in the case of certain epileptic spasms where the actual movements were too...