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Modular Patterns of Phase Desynchronization Networks During a Simple Visuomotor Task.
Mylonas, D S; Siettos, C I; Evdokimidis, I; Papanicolaou, A C; Smyrnis, N.
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  • Mylonas DS; School of Applied Mathematics and Physical Sciences, National Technical University of Athens, 9 Heroon Polytechniou str., 15780, Athens, Greece.
  • Siettos CI; Laboratory of Sensorimotor Control, University Mental Health Research Institute, 2 Soranou Efesiou str., 11527, Athens, Greece.
  • Evdokimidis I; School of Applied Mathematics and Physical Sciences, National Technical University of Athens, 9 Heroon Polytechniou str., 15780, Athens, Greece. ksiet@mail.ntua.gr.
  • Papanicolaou AC; Neurology Department, Aeginition Hospital, Medical School, National and Kapodistrian University of Athens, 72 V. Sofias Ave., 11528, Athens, Greece.
  • Smyrnis N; Division of Clinical Neurosciences, Department of Pediatrics, University of Tennessee and Neuroscience Institute, Le Bonheur Hospital, 777 Washington Ave., Memphis, TN, 38105, USA.
Brain Topogr ; 29(1): 118-29, 2016 Jan.
Article en En | MEDLINE | ID: mdl-26369342
By performing sensor-level analysis on magnetoencephalography (MEG) data we identified the dynamic evolution of the functional connectivity networks during a simple visuomotor task. The functional connectivity networks were constructed using the concept of phase-locking value (PLV). We illustrate that the task-related activity is mediated by distinct complex networks related to the PLV desynchronization that configure their architecture dynamically during the task. These networks are prominent at ß and α band, and are characterized by coherent modular organization. Moreover the time for the development of the desynchronization networks at α band predicts the intra-subject variability of reaction time. Thus, the spatio-temporal dynamics and the structural properties of the emerged functional networks share common characteristics with the mechanism of coactivation and resting state networks.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Estimulación Luminosa / Encéfalo / Mapeo Encefálico / Actividad Motora / Vías Nerviosas Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Humans Idioma: En Revista: Brain Topogr Asunto de la revista: CEREBRO Año: 2016 Tipo del documento: Article País de afiliación: Grecia Pais de publicación: Estados Unidos
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Estimulación Luminosa / Encéfalo / Mapeo Encefálico / Actividad Motora / Vías Nerviosas Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Humans Idioma: En Revista: Brain Topogr Asunto de la revista: CEREBRO Año: 2016 Tipo del documento: Article País de afiliación: Grecia Pais de publicación: Estados Unidos