Neuromagnetic somatosensory homunculus: A non-invasive approach in humans

L. Narici, I. Modena, R. J. Opsomer, V. Pizzella, G. L. Romani, G. Torrioli, R. Traversa, P. M. Rossini

Research output: Contribution to journalArticlepeer-review

Abstract

The somatosensory homunculus has been identified during stimulation of median (at wrist and elbow), femoral, tibial and pudendal nerves of the left hemibody via the neuromagnetic imaging technique. The somatic representations of different body districts have been localized in the somatosensory cortex, by means of an equivalent dipole localization algorhythm. Dipole locations agree with the well-known somatotopic organization obtained with invasive techniques. The proposed method is, therefore, an important investigating tool for studies on normal and diseased subjects.

Original languageEnglish
Pages (from-to)51-54
Number of pages4
JournalNeuroscience Letters
Volume121
Issue number1-2
DOIs
Publication statusPublished - Jan 2 1991

Keywords

  • Homunculus
  • Neuromagnetism
  • Sensory cortex
  • Somatosensory evoked response

ASJC Scopus subject areas

  • Neuroscience(all)

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