Ipsilesional 'where' with contralesional 'what' neglect

Neurocase. 2012;18(5):415-23. doi: 10.1080/13554794.2011.627340. Epub 2011 Dec 5.

Abstract

Whereas contralesional spatial neglect is usually caused by right temporo-parietal lesions, ipsilesional spatial neglect is induced primarily by right frontal lesions. This report describes a 73-year-old woman with a right inferior parietal lesion who on 'where' tasks (line bisection and midline pointing) demonstrated ipsilesional neglect, but on 'what' tests (gap vs. no-gap detection cancellation and clothing tape removal) demonstrated contralesional neglect. This 'what' and 'where' directional dissociation provides evidence for independent 'what' and 'where' attentional networks; however, the reason this parietal lesion causes this contralesional vs. ipsilesional spatial attentional 'what' and 'where' dichotomy remains to be determined.

Publication types

  • Case Reports
  • Research Support, Non-U.S. Gov't
  • Research Support, U.S. Gov't, Non-P.H.S.

MeSH terms

  • Aged
  • Attention / physiology*
  • Female
  • Functional Laterality / physiology
  • Humans
  • Parietal Lobe / physiopathology*
  • Perceptual Disorders / diagnosis
  • Perceptual Disorders / physiopathology*
  • Perceptual Disorders / psychology