Browsing by Author "Bachiller Matarranz, Alejandro"
Now showing items 1-16 of 16
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Alterations in EEG connectivity in healthy young adults provide an indicator of sleep depth
Migliorelli Falcone, Carolina Mercedes; Bachiller Matarranz, Alejandro; Andrade, Andreia G.; Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Borja Mallach, Cristina; Romero Lafuente, Sergio (2019-06-11)
Article
Open AccessCurrent sleep analyses have used electroencephalography (EEG) to establish sleep intensity through linear and nonlinear measures. Slow wave activity (SWA) and entropy are the most commonly used markers of sleep depth. The ... -
Auditory P3a and P3b neural generators in schizophrenia: An adaptive sLORETA P300 localization approach
Bachiller Matarranz, Alejandro; Romero Lafuente, Sergio; Molina, Vicente; Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Poza Crespo, Jesús; Hornero Sánchez, Roberto (2015-12)
Article
Open AccessThe present study investigates the neural substrates underlying cognitive processing in schizophrenia (Sz) patients. To this end, an auditory 3-stimulus oddball paradigm was used to identify P3a and P3b components, elicited ... -
Choosing strategies to deal with artifactual eeg data in children with cognitive impairment
Tost Abadías, Ana; Migliorelli Falcone, Carolina Mercedes; Bachiller Matarranz, Alejandro; Medina Rivera, Inés; Romero Lafuente, Sergio; García Cazorla, Àngels; Mañanas Villanueva, Miguel Ángel (2021-08-11)
Article
Open AccessRett syndrome is a disease that involves acute cognitive impairment and, consequently, a complex and varied symptomatology. This study evaluates the EEG signals of twenty-nine patients and classify them according to the ... -
Choosing strategies to deal with artifactual EEG data in children with cognitive impairment
Tost Abadías, Ana; Migliorelli Falcone, Carolina Mercedes; Bachiller Matarranz, Alejandro; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel; García Cazorla, Àngels (2020)
Conference lecture
Open AccessRett syndrome is a disease that involves acute cognitive impairment and, consequently, a complex and varied symptomatology. This study evaluates the EEG signals of twenty-nine patients in order to implement an effective ... -
Cognitive stimulation has potential for brain activation in individuals with Rett syndrome
Migliorelli Falcone, Carolina Mercedes; Medina Rivera, Inés; Bachiller Matarranz, Alejandro; Tost Abadías, Ana; Alonso López, Joan Francesc; López Sala, Anna; Armstrong, Judit; O'Callaghan Gordo, Ma del Mar; Pineda Marfà, Mercè; Mañanas Villanueva, Miguel Ángel; Romero Lafuente, Sergio; García Cazorla, Àngels (John Wiley & sons, 2021-11-18)
Article
Open AccessBackground: Knowledge regarding neuropsychological training in Rett syndrome (RS) is scarce. The aim of this study was to assess the outcome and the duration of the effect of cognitive stimulation on topographic EEG data ... -
Cognitive stimulation leads to a long-term brain activation with a spectral shift to higher frequencies in Rett syndrome patients
Tost Abadías, Ana; Bachiller Matarranz, Alejandro; García Cazorla, Àngels; Medina Rivera, Inés; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel (Universidad de Valladolid, 2022)
Conference lecture
Open AccessRett syndrome (RTT) is the second leading cause of mental disability in women and causes a serious neurodevelopmental disorder that leads to a global disability of the individual. Cognitive training has been shown to improve ... -
Epileptic seizure prediction and onset zone localization using intracranial and scalp electroencephalographic and magnetoencephalographic signals
Marateb, Hamid Reza; Migliorelli Falcone, Carolina Mercedes; Bachiller Matarranz, Alejandro; Azimi, Tayebe; Nezhad, Farzad Ziaie; Mansourian Gharakozlou, Marjan; Alonso López, Joan Francesc; Aparicio, Javier; San Antonio Arce, María Victoria; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel (Institute of Physics (IOP), 2020-09)
Part of book or chapter of book
Restricted access - publisher's policyIn this chapter, we discuss how intracranial or scalp electroencephalographic and magnetoencephalographic recordings could be used for epileptic seizure prediction and onset zone localization. The signal processing methods ... -
Evaluation of connectivity measures to identify seizure onset and propagation zones in refractory epilepsy: a case study with two different post- surgical outcomes
Condominas i Casanovas, Elena; Migliorelli Falcone, Carolina Mercedes; Bachiller Matarranz, Alejandro; Aparicio Calvo, Javier; San Antonio Arce, María Victoria; Mañanas Villanueva, Miguel Ángel (2023)
Conference lecture
Restricted access - publisher's policyHigh Frequency Oscillations (HFO) have been found very useful in refractory epilepsy. They have been used to identify the epileptogenic zone and as a promising clinical biomarker for presurgical evaluation in childhood ... -
Improving the quality of combined TMS-EEG neural recordings: artefact removal and time analysis
Mijancos Martínez, Gema; Bachiller Matarranz, Alejandro; Fernández Linsenbarth, Inés; Alonso López, Joan Francesc; Romero Lafuente, Sergio; Molina Rodriguez, Vicente; Mañanas Villanueva, Miguel Ángel (Sociedad Española de Ingeniería Biomédica (SEIB), 2022)
Conference lecture
Open AccessTranscranial magnetic stimulation and electroencephalography (TMS-EEG) recordings are key to perform a direct evaluation of cortical function in a non-invasive and task-free manner. For the past few years, it has been used ... -
Improving the ripple classification in focal pediatric epilepsy: identifying pathological high-frequency oscillations by Gaussian mixture model clustering
Migliorelli Falcone, Carolina Mercedes; Romero Lafuente, Sergio; Bachiller Matarranz, Alejandro; Aparicio Calvo, Javier; Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; San Antonio Arce, María Victoria (2021-08-01)
Article
Open AccessObjective: High-frequency oscillations (HFOs) have emerged as a promising clinical biomarker for presurgical evaluation in childhood epilepsy. HFOs are commonly classified in stereo-encephalography as ripples (80–200 Hz) ... -
Individualized time windows enhance TMS-EEG signal characterization and improve assessment of cortical function in schizophrenia
Mijancos Martínez, Gema; Bachiller Matarranz, Alejandro; Fernández Linsenbarth, Inés; Romero Lafuente, Sergio; Serna Higuita, Leidy Yanet; Molina, Vicente; Mañanas Villanueva, Miguel Ángel (2024-07-06)
Article
Open AccessTranscranial magnetic stimulation and electroencephalography (TMS-EEG) recordings are crucial to directly assess cortical excitability and inhibition in a non-invasive and task-free manner. TMS-EEG signals are characterized ... -
Influence of the number of trials on evoked motor cortical activity in EEG recordings
Borràs Argemí, Marta; Romero Lafuente, Sergio; Alonso López, Joan Francesc; Bachiller Matarranz, Alejandro; Serna Higuita, Leidy Yanet; Migliorelli Falcone, Carolina Mercedes; Mañanas Villanueva, Miguel Ángel (2022-08-26)
Article
Open AccessObjective. Improvements in electroencephalography enable the study of the localization of active brain regions during motor tasks. Movement-related cortical potentials (MRCPs), and event-related desynchronization (ERD) and ... -
Psychiatric disorders and cognitive impairment following COVID-19: a comprehensive review and its implications for smart healthcare design
Azimi, Tayebe; Koochekian, Amirhossein; Marateb, Hamid Reza; Shirzadi, Mehdi; Rojas Martínez, Mónica Marlene; Alonso López, Joan Francesc; Bachiller Matarranz, Alejandro; Mansourian Gharakozlou, Marjan; Rubio Rivas, Manuel; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel (Institute of Physics (IOP), 2022-12)
Part of book or chapter of book
Restricted access - publisher's policyChapter 3 discusses the role of sensors in cases of moderate COVID-19 infection that may be linked to cognitive impairments; such prediction systems are promising for smart healthcare design. -
Relation between task-related activity modulation and cortical inhibitory function in schizophrenia and healthy controls: a TMS–EEG study
Fernández Linsenbarth, Inés; Mijancos Martínez, Gema; Bachiller Matarranz, Alejandro; Núñez, Pablo; Rodríguez González, Víctor; Beño Ruiz de la Sierra, Rosa María; Roig Herrero, Alejandro; Arjona Valladares, Antonio; Poza Crespo, Jesús; Mañanas Villanueva, Miguel Ángel; Molina Rodriguez, Vicente (2024-01-19)
Article
Open AccessSchizophrenia has been associated with a reduced task-related modulation of cortical activity assessed through electroencephalography (EEG). However, to the best of our knowledge, no study so far has assessed the underpinnings ... -
SGM: a novel time-frequency algorithm based on unsupervised learning improves high-frequency oscillation detection in epilepsy
Migliorelli Falcone, Carolina Mercedes; Bachiller Matarranz, Alejandro; Alonso López, Joan Francesc; Romero Lafuente, Sergio; Aparicio, Javier; Jacobs-Le Van, Julia; Mañanas Villanueva, Miguel Ángel; San Antonio-Arce, Victoria (2020-04-22)
Article
Open AccessObjective. We propose a novel automated method called the S-Transform Gaussian Mixture detection algorithm (SGM) to detect high-frequency oscillations (HFO) combining the strengths of different families of previously ... -
Topography of activation deficits in schizophrenia during P300 task related to cognition and structural connectivity
Molina Rodriguez, Vicente; Bachiller Matarranz, Alejandro; Luis García, Rodrigo de; Lubeiro Juárez, Alba; Poza Crespo, Jesús; Hornero Sánchez, Roberto; Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Marques, Patricia; Romero Lafuente, Sergio (2018-02-02)
Article
Open AccessBackground The study of cerebral underpinnings of schizophrenia may benefit from the high temporal resolution of electromagnetic techniques, but its spatial resolution is low. However, source imaging approaches such as ...