Intergration of orientation information in amblyopia

B Mansouri, Harriet Allen, RF Hess, SC Dakin, O Ehrt

Research output: Contribution to journalArticle

27 Citations (Scopus)


A recent report suggests that amblyopes are deficient in processing local orientation at supra-threshold contrasts. To determine whether amblyopes are also poor at integrating local orientation signals, we assessed performance for an orientation integration task in which the orientations of static signals are integrated across space. Our results show that amblyopic visual systems can integrate local static oriented signals with the same level of efficiency as normal visual systems. Although internal noise was slightly elevated, there was no indication that fewer samples were used to achieve optimal performance. This finding suggests normal integration of local orientation signals in amblyopia. (C) 2004 Elsevier Ltd. All rights reserved.
Original languageEnglish
Pages (from-to)2955-2969
Number of pages15
JournalVision Research
Issue number25
Publication statusPublished - 1 Jan 2004


  • orientation
  • integration
  • amblyopia


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