The effect of space location on neglect depends on the nature of the task

Roberto Cubelli, Marisa Pugliese, Anna S. Gabellini

Research output: Contribution to journalArticlepeer-review

Abstract

It has been often reported that in patients with visual neglect line bisection is more accurate in the right than in the left hemispace. However, no data are available on the effect of hemispace on reading errors associated with neglect. We examined a 62-year-old man who presented with severe left neglect following a large infarction in the right cerebral hemisphere. The patient was asked to read 180 words aloud and to bisect 90 lines. Stimuli were presented in three different spatial locations: across the centre, to the right or to the left of the body midline. Line bisection was significantly more accurate in the right hemispace compared with the centre, or the left hemispace. In contrast, reading was significantly more accurate with words presented on the left side than on the centre or right side. This is the first time that such dissociation has been reported. We hypothesize that the dissociation depends on the nature of the stimuli and on the different cognitive demands of the tasks.

Original languageEnglish
Pages (from-to)611-614
Number of pages4
JournalJournal of Neurology
Volume241
Issue number10
DOIs
Publication statusPublished - Oct 1994

Keywords

  • Line bisection
  • Neglect dyslexia
  • Visuospatial neglect

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

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