title: An upright man.
authors.forename: N J
authors.initials: NJ
authors.lastname: Wade
mesh_terms: D000223:Adaptation, Psychological; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D011589:Psychology, Experimental / Q000266:history*; D012160:Retina / Q000502:physiology; D014481:United States; D014796:Visual Perception