Spatial hemineglect in back space

G. Vallar, C. Guariglia, D. Nico, E. Bisiach

Research output: Contribution to journalArticlepeer-review

Abstract

The subjective location of the mid-sagittal plane was assessed by a free-field auditory localization task in the front and in the back half-spaces in 11 right brain-damaged patients with spatial hemineglect, 10 right brain-damaged patients without spatial hemineglect, and 11 normal control subjects. In patients with hemineglect the subjective mid-sagittal plane was found to be displaced rightwards in both half-spaces. Both patients without hemineglect and controls, in contrast, made a minor error and showed a greater displacement cowards the left side in the back half-space. In four right brain-damaged patients the rightward displacement was confined either to the front, or to the back half-space. This pattern of impairment may be explained by a rightward, ipsilesional, pathological translation of an egocentric coordinate system, rather than by a rotation around the vertical axis of the body.

Original languageEnglish
Pages (from-to)467-472
Number of pages6
JournalBrain
Volume118
Issue number2
Publication statusPublished - 1995

Keywords

  • Auditory localization
  • Back space
  • Front space
  • Neuropsychology
  • Spatial hemineglect

ASJC Scopus subject areas

  • Neuroscience(all)
  • Statistics, Probability and Uncertainty
  • Applied Mathematics
  • Mathematics(all)
  • Statistics and Probability
  • Agricultural and Biological Sciences (miscellaneous)
  • Clinical Neurology

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