Unilateral neglect: the effect of competing stimuli on estimated line length

Paolo Bartolomeo, S. Chokron

Risultato della ricerca: Contributo in rivistaArticolo in rivista

5 Citazioni (Scopus)

Abstract

Normal subjects and patients with right hemisphere lesions with or without signs of left unilateral neglect judged the length of a horizontal line presented on the left or on the right side of space. In half of the trials, the line was presented with a centrally located square or diamond, and subjects had to identify the central stimulus before performing the judgment of length. The presence of the central stimulus improved accuracy of performance in controls and in patients without neglect; neglect patients, however, produced more overestimations of left-sided lines when these was presented with a central stimulus than when the lines occurred in isolation. This finding underlines the importance of attentional factors in length estimates performed by neglect patients in their neglected space.
Lingua originaleEnglish
pagine (da-a)34-38
Numero di pagine5
RivistaBrain and Cognition
Volume46
Stato di pubblicazionePubblicato - 2001

Keywords

  • Adult
  • Aged
  • Aged, 80 and over
  • Attention
  • Brain
  • Female
  • Functional Laterality
  • Humans
  • Male
  • Middle Aged
  • Perceptual Disorders
  • Random Allocation
  • Severity of Illness Index
  • Visual Fields

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