Errors of somatosensory localisation in a patient with right-hemisphere stroke

Rebekah C. White, Anne M. Aimola Davies, Udo Kischka

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Following a right-hemisphere stroke, Patient NG could detect somatosensory stimulation that she was unable to localise. With vision precluded, NG systematically mislocalised touch on the little and ring finger of her affected left hand, and reported feeling this touch on the neighbouring rightward finger. This pattern of mislocalisation occurred not only when the Examiner administered touch but also when touch was self-administered. We manipulated the relative position of NG's two hands during sensory assessment of the affected hand. When NG's right hand was positioned to the left of her affected hand, NG exhibited improved localisation. Theoretical and clinical implications are discussed.

Original languageEnglish
Pages (from-to)238-258
Number of pages21
JournalNeurocase
Volume16
Issue number3
DOIs
Publication statusPublished - Jun 2010

Keywords

  • Localisation
  • Perceptual representation
  • Plasticity
  • Right-hemisphere
  • Rubber hand paradigm
  • Self-touch

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