Effects of complete monocular deprivation in visuo-spatial memory

Zaira Cattaneo, Lotfi B. Merabet, Ela Bhatt, Tomaso Vecchi

Research output: Contribution to journalArticle

Abstract

Monocular deprivation has been associated with both specific deficits and enhancements in visual perception and processing. In this study, performance on a visuo-spatial memory task was compared in congenitally monocular individuals and sighted control individuals viewing monocularly (i.e., patched) and binocularly. The task required the individuals to view and memorize a series of target locations on two-dimensional matrices. Overall, congenitally monocular individuals performed worse than sighted individuals (with a specific deficit in simultaneously maintaining distinct spatial representations in memory), indicating that the lack of binocular visual experience affects the way visual information is represented in visuo-spatial memory. No difference was observed between the monocular and binocular viewing control groups, suggesting that early monocular deprivation affects the development of cortical mechanisms mediating visuo-spatial cognition.

Original languageEnglish
Pages (from-to)112-116
Number of pages5
JournalBrain Research Bulletin
Volume77
Issue number2-3
DOIs
Publication statusPublished - Sep 30 2008

Keywords

  • Mental representations
  • Monocular blindness
  • Visuo-spatial memory

ASJC Scopus subject areas

  • Neuroscience(all)

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