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Méndez, María Andreína ; Zuluaga Arias, Pilar ; Hornero, Roberto ; Gómez, Carlos ; Escudero, Javier ; Rodríguez Palancas, Alfonso ; Ortiz, Tomás ; Fernández, Alberto | SAGE | 2012-05Magnetoencephalography (MEG) allows the real-time recording of neural activity and oscillatory activity in distributed neural networks. We applied a non-linear complexity analysis to resting-state neural activity as measured using whole-head MEG[...]texto impreso
Fernández, Alberto ; Hornero, Roberto ; Gómez, Carlos ; Turrero, Agustín ; Gil Gregorio, Pedro ; Matías Santos, Juan ; Ortiz, Tomás | Wolters Kluwer Health | 2010-04Nonlinear analyses have shown that Alzheimer disease (AD) patients' brain activity is characterized by a reduced complexity and connectivity. The aim of this study is to define complexity patterns of mild cognitive impairment (MCI) patients. Who[...]texto impreso
Fernández, Alberto ; de Sola, Rafael G. ; Amo, Carlos ; Turrero, Agustín ; Zuluaga Arias, Pilar ; Maestú, Fernando ; Campo, Pablo ; Ortiz, Tomás | American Clinical Neurophysiology Society | 2004-07Conventional visual analysis and dipole density analysis of magnetoencephalographic data for both spike and low-frequency magnetic activity were compared for presurgical evaluation in temporal lobe epilepsy (TLE) in a sample of 26 drug-resistant[...]texto impreso
Fernández, Alberto ; Turrero, Agustín ; Zuluaga Arias, Pilar ; Gil, Pedro ; Maestú, Fernando ; Campo, Pablo ; Ortiz, Tomás | American Medical Association | 2006-03Background: Subjects with mild cognitive impairment (MCI) are at a higher risk of experiencing Alzheimer disease (AD). Magnetoencephalographic temporoparietal dipole densities of low-frequency activity are good predictors of individuals' cogniti[...]texto impreso
Ortiz, Tomás ; Poch, Joaquín ; Santos, Juan M. ; Requena, Carmen ; Martínez, Ana M. ; Ortiz Terán, Laura ; Turrero, Agustín ; Barcia, Juan ; Nogales, Ramón ; Calvo, Agustín ; Martínez, José M. ; Córdoba, José L. ; Pascual Leone, Álvaro | Public Library Science | 2011Over three months of intensive training with a tactile stimulation device, 18 blind and 10 blindfolded seeing subjects improved in their ability to identify geometric figures by touch. Seven blind subjects spontaneously reported 'visual qualia',[...]
