O'Steen, W K Analysis of severe photoreceptor loss and Morris water-maze performance in aged rats. [electronic resource] - Behavioural brain research Jun 1995 - 151-8 p. digital Publication Type: Journal Article ISSN: 0166-4328 Standard No.: 10.1016/0166-4328(94)00168-f doi Subjects--Topical Terms: Aging--physiologyAnimalsCell CountDiscrimination Learning--physiologyEscape Reaction--physiologyMaleMaze Learning--physiologyMental Recall--physiologyNerve Degeneration--physiologyNeurons--physiologyOrientation--physiologyPhotoreceptor Cells--anatomy & histologyRatsRats, Sprague-DawleyVisual Acuity--physiology