Sleep-related modifications of EEG connectivity in the sensory-motor networks in Huntington Disease: An eLORETA study and review of the literature

Carla Piano, Claudio Imperatori, Anna Losurdo, Anna Rita Bentivoglio, Pietro Cortelli, Giacomo Della Marca

Risultato della ricerca: Contributo in rivistaArticolo in rivista

4 Citazioni (Scopus)

Abstract

Objective To evaluate EEG functional connectivity in the sensory-motor network, during wake and sleep, in patients with Huntington Disease (HD). Methods 23 patients with HD and 23 age- and sex-matched healthy controls were enrolled. EEG connectivity analysis was performed by means of exact Low Resolution Electric Tomography (eLORETA). Results In wake, HD patients showed an increase of delta lagged phase synchronization (T = 3.60; p < 0.05) among Broadman's Areas (BA) 6-8 bilaterally; right BA 6-8 and right BA 1-2-3; left BA 1-2-3 and left BA 4. In NREM, HD patients showed an increase of delta lagged phase synchronization (T = 3.56; p < 0.05) among left BA 1-2-3 and right BA 6-8. In REM, HD patients showed an increase of lagged phase synchronization (T = 3.60; p < 0.05) among the BA 6-8 bilaterally (delta band); left BA 1-2-3 and right BA 1-2-3 (theta); left BA 1-2-3 and right BA 4 (theta); left BA 1-2-3 and right BA 1-2-3 (alpha). Conclusions Our results may reflect an abnormal function of the motor areas or an effort to counterbalance the pathological motor output. Significance Our results may help to understand the pathophysiology of sleep-related movement disorders in Huntington's Disease, and to define therapeutically strategies.
Lingua originaleEnglish
pagine (da-a)1354-1363
Numero di pagine10
RivistaClinical Neurophysiology
Volume128
DOI
Stato di pubblicazionePubblicato - 2017

Keywords

  • Brain
  • EEG
  • Electroencephalography
  • Functional connectivity
  • Humans
  • Huntington Disease
  • Huntington's Disease
  • Nerve Net
  • Neurology
  • Neurology (clinical)
  • Physiology (medical)
  • Polysomnography
  • Sensorimotor Cortex
  • Sensory Systems
  • Sensory-motor network
  • Sleep
  • Sleep Wake Disorders
  • eLORETA

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