Adaptive cortical changes and the functional correlates of visuo-motor integration in relapsing-remitting multiple sclerosis (Articolo in rivista)

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Label
  • Adaptive cortical changes and the functional correlates of visuo-motor integration in relapsing-remitting multiple sclerosis (Articolo in rivista) (literal)
Anno
  • 2006-01-01T00:00:00+01:00 (literal)
Alternative label
  • Cerasa A, Fera F, Gioia MC, Liguori M, Passamonti L, Nicoletti G, Vercillo L, Paolillo A, Clodomiro A, Valentino P, Quattrone A. (2006)
    Adaptive cortical changes and the functional correlates of visuo-motor integration in relapsing-remitting multiple sclerosis
    in Brain research bulletin
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Cerasa A, Fera F, Gioia MC, Liguori M, Passamonti L, Nicoletti G, Vercillo L, Paolillo A, Clodomiro A, Valentino P, Quattrone A. (literal)
Pagina inizio
  • 597 (literal)
Pagina fine
  • 605 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 69 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Titolo
  • Adaptive cortical changes and the functional correlates of visuo-motor integration in relapsing-remitting multiple sclerosis (literal)
Abstract
  • Cortical reorganization has been demonstrated during performance of a motor task in patients with multiple sclerosis. Converging evidence suggests that changes in gray matter volume represent an early hallmark of the disease. We used functional MRI to investigate the role of cortical adaptive mechanisms in maintaining visuo-motor function in the face of structural damage. Two cohorts of patients with clinically definite relapsing-remitting multiple sclerosis were compared with healthy controls matched for demographic, motor and cognitive characteristics during the performance of a visuo-motor integration task. Direct comparison between the two groups demonstrated a greater response of the contralateral dorsal premotor cortex and of the ipsilateral superior parietal cortex in relapsing-remitting multiple sclerosis patients. The functional MRI changes in these areas were strongly correlated with decreased gray matter volumes and increased lesion burden, respectively. Our study demonstrated a selective involvement of the parieto-premotor circuitry in a relatively early stage of the disease, which was not influenced by clinical, motor or cognitive variables. Moreover these results confirm the potential for functional recovery and the adaptive role of these areas in the motor reorganization of multiple sclerosis patients. (literal)
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