Outsider Art is work produced outside the mainstream of modern art by self-taught, untrained visionaries, spiritualists, eccentric recluses, folk artists, psychiatric patients, criminals, and others beyond the imposed margins of society and the art market. Coined by Roger Cardinal in 1972, the term in English derived from Jean Dubuffet's "art brut"--literally "raw art," "uncooked" by culture, unaffected by fashion, unmoved by artistic standards. In...