{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T18:55:31Z","timestamp":1777920931189,"version":"3.51.4"},"reference-count":54,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2015,10,1]],"date-time":"2015-10-01T00:00:00Z","timestamp":1443657600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Perception"],"published-print":{"date-parts":[[2016,3]]},"abstract":"<jats:p>The question as to whether people totally blind since infancy process allocentric or external spatial information like the sighted has caused considerable debate within the literature. Due to the extreme rarity of the population, researchers have often included individuals with retinopathy of prematurity (RoP\u2014over oxygenation at birth) within the sample. However, RoP is inextricably confounded with prematurity per se. Prematurity, without visual disability, has been associated with spatial processing difficulties. In this experiment, blindfolded sighted participants and two groups of functionally totally blind participants heard text descriptions from a survey (allocentric) or route (egocentric) perspective. One blind group lost their sight due to RoP and a second group before 24 months of age. The accuracy of participants\u2019 mental representations derived from the text descriptions was assessed via questions and maps. The RoP participants had lower scores than the sighted and early blind, who performed similarly. In other words, it was not visual impairment alone that resulted in impaired allocentric spatial performance in this task but visual impairment together with RoP. This finding may help explain the contradictions within the existing literature on the role of vision in allocentric spatial processing.<\/jats:p>","DOI":"10.1177\/0301006615607157","type":"journal-article","created":{"date-parts":[[2015,10,1]],"date-time":"2015-10-01T20:51:22Z","timestamp":1443732682000},"page":"281-299","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":6,"title":["Allocentric Spatial Performance Higher in Early-Blind and Sighted Adults Than in Retinopathy-of-Prematurity Adults"],"prefix":"10.1177","volume":"45","author":[{"given":"Alison F.","family":"Eardley","sequence":"first","affiliation":[{"name":"Department of Psychology, University of Westminster, London, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Geoffrey","family":"Edwards","sequence":"additional","affiliation":[{"name":"Centre de Recherche en G\u00e9omatique, Universit\u00e9 Laval, Qu\u00e8bec, Canada"},{"name":"Centre for Interdisciplinary Research in Rehabilitation & Social Integration (CIRRIS), Laval University, Qu\u00e8bec, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Francine","family":"Malouin","sequence":"additional","affiliation":[{"name":"Centre for Interdisciplinary Research in Rehabilitation & Social Integration (CIRRIS), Laval University, Qu\u00e8bec, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John M.","family":"Kennedy","sequence":"additional","affiliation":[{"name":"Department of Psychology, University of Toronto at Scarborough, ON, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2015,10,1]]},"reference":[{"key":"bibr1-0301006615607157","unstructured":"Atkins, S., Cobb, R., Keil, S., Home, S. & Wilkins, S. 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