Nobody knows how brain works exactly, but I believe that some sort of compression is there. This has been done in computer vision some time ago and there is a n

Nobody knows how brain works exactly, but I believe that some sort of compression is there. This has been done in computer vision some time ago and there is a nice application which essentially represents a face by 100 dimensional vector: www.facegen.com. Starting form average face, its possible to get any face you like by varying those dimensions.