Coupling between "Hand" Primary Sensorimotor Cortex and Lower Limb Muscles after Ulnar Nerve Surgical Transfer in Paraplegia

C. Babiloni, F. Babiloni, F. Carducci, V. Pizzella, G. L. Romani, F. Vecchio, G. A. Brunelli, F. Cincotti, F. Tecchio, P. M. Rossini

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Previous neuroimaging evidence revealed an "invasion" of "hand" over "lower limb" primary sensorimotor cortex in paraplegic subjects, with the exception of a rare patient who received a surgical motor reinnervation of hip-thigh muscles by the ulnar nerve. Here, the authors show that a functional reorganization of cortico-muscular and cortico-cortical oscillatory coupling was related to the recovery of the rare patient, as a paradigmatic case of long-term plasticity in human sensorimotor cortex after motor reinnervation of paraplegic muscles. This conclusion was based on electroencephalographic and electromyographic data collected while the patient and normal control subjects performed isometric muscle contraction of the left hand or lower limb. Cortico-muscular and cortico-cortical coupling was estimated by electroencephalographic-electromyographic coherence and directed transfer function of a multivariate autoregressive model.

Original languageEnglish
Pages (from-to)214-222
Number of pages9
JournalBehavioral Neuroscience
Volume118
Issue number1
DOIs
Publication statusPublished - Feb 2004

Fingerprint

Nerve Transfer
Ulnar Nerve
Paraplegia
Lower Extremity
Hand
Muscles
Isometric Contraction
Muscle Contraction
Thigh
Neuroimaging
Hip
Sensorimotor Cortex

ASJC Scopus subject areas

  • Behavioral Neuroscience
  • Clinical Psychology

Cite this

Coupling between "Hand" Primary Sensorimotor Cortex and Lower Limb Muscles after Ulnar Nerve Surgical Transfer in Paraplegia. / Babiloni, C.; Babiloni, F.; Carducci, F.; Pizzella, V.; Romani, G. L.; Vecchio, F.; Brunelli, G. A.; Cincotti, F.; Tecchio, F.; Rossini, P. M.

In: Behavioral Neuroscience, Vol. 118, No. 1, 02.2004, p. 214-222.

Research output: Contribution to journalArticle

Babiloni, C. ; Babiloni, F. ; Carducci, F. ; Pizzella, V. ; Romani, G. L. ; Vecchio, F. ; Brunelli, G. A. ; Cincotti, F. ; Tecchio, F. ; Rossini, P. M. / Coupling between "Hand" Primary Sensorimotor Cortex and Lower Limb Muscles after Ulnar Nerve Surgical Transfer in Paraplegia. In: Behavioral Neuroscience. 2004 ; Vol. 118, No. 1. pp. 214-222.
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