2001-08-20Z2011-03-11T08:54:46Zhttp://cogprints.org/id/eprint/1757This item is in the repository with the URL: http://cogprints.org/id/eprint/17572001-08-20ZVision in a monkey without striate cortex: a case studyA rhesus monkey, Helen, from whom the striate cortex was almost totally removed, was studied intensively over a period of 8 years. During this time she regained an effective, though limited, degree of visually guided behaviour. The evidence suggests that while Helen suffered a permanent loss of 'focal vision' she retained (initially unexpressed) the capacity for 'ambient vision'.Nicholas K Humphrey