Living In A Reversed World documents an experiment by Erismann & Kohler during which the subjects were required to wear goggles transforming their perception, between six to 124 days. The film is narrated by James J. Gibson. More on the experiment: http://www.awz.uni-wuerzburg.de/en/archive/film_photo_and_tone_archives/video_documents/th_erismann_ikohler