Now showing items 21-40 of 110

    • Análisis de la actividad muscular respiratoria mediante técnicas temporales,frecuenciales y estadísticas 

      Mañanas Villanueva, Miguel Ángel (Universitat Politècnica de Catalunya, 1999-11-08)
      Doctoral thesis
      Open Access
      La enfermedad pulmonar obstructiva crónica (EPOC) es la enfermedad crónica de los pulmones más común representando una causa importante de incapacidad y de muerte. La actividad respiratoria está definida en gran medida por ...
    • Aplicación de la entropía condicional para el análisis del EEG bajo terapia farmacológica 

      Alonso López, Joan Francesc; Martínez Vera, Naira Pilar; Mañanas Villanueva, Miguel Ángel; Romero Lafuente, Sergio; Barbanoj, Manel J. (CEA, 2009)
      Conference lecture
      Restricted access - publisher's policy
      El análisis del electroencefalograma humano constituye una herramienta muy útil para la evaluación de la biodisponibilidad de un fármaco en el cerebro. Se ha aplicado el calculo de entropía condicional a señales ...
    • Assessing motor cortical activity: How repetitions impact motor execution and imagery analysis 

      Borràs Argemí, Marta; Romero Lafuente, Sergio; Serna Higuita, Leidy Yanet; Alonso López, Joan Francesc; Bachiller Matarranz, Alejandro; Mañanas Villanueva, Miguel Ángel; Rojas Martínez, Mónica Marlene (2025-06)
      Article
      Open Access
      The study of motor-related cortical activity is crucial for analyzing brain behavior during motor execution (ME) and imagery (MI). Improving motor learning and recovery in patients with motor disorders involves both ME and ...
    • Assessment of the pharmacological effects of alprazolam on electroencephalography using connectivity indexes not affected by volume conduction 

      Alonso López, Joan Francesc; Sabater Camps, Aitana; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel; Riba Serrano, Jordi (2015)
      Conference lecture
      Open Access
      Electroencephalographic analysis techniques have become a very useful tool to assess brain activity and interactions between cerebral regions, that is, the so-called cerebral connectivity analysis. The effects of some drugs ...
    • Assessment of weaning indexes based on diaphragm activity in mechanically ventilated subjects after cardiovascular surgery. A pilot study 

      Muñoz Ortega, Isabel Cristina; Hernández Valdivieso, Alher Mauricio; Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Atehortua López, Luis Horacio (2017-06)
      Article
      Open Access
      OBJECTIVE: The aim of this pilot study was to evaluate the feasibility of surface electromyographic signal derived indexes for the prediction of weaning outcomes among mechanically ventilated subjects after cardiac surgery. ...
    • 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 Access
      The 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 ...
    • Automated detection of epileptic ripples in MEG using beamformer-based virtual sensors 

      Migliorelli Falcone, Carolina Mercedes; Alonso López, Joan Francesc; Romero Lafuente, Sergio; Nowak, Rafal; Russi Tintoré, Antonio; Mañanas Villanueva, Miguel Ángel (2017-08-01)
      Article
      Open Access
      Objective. In epilepsy, high-frequency oscillations (HFOs) are expressively linked to the seizure onset zone (SOZ). The detection of HFOs in the noninvasive signals from scalp electroencephalography (EEG) and magnetoence ...
    • Automatic BSS-based filtering of metallic interference in MEG recordings: definition and validation using simulated signals 

      Migliorelli Falcone, Carolina Mercedes; Alonso López, Joan Francesc; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel; Nowak, Rafal; Russi Tintoré, Antonio (2015-05-27)
      Article
      Open Access
      Objective. One of the principal drawbacks of magnetoencephalography (MEG) is its high sensitivity to metallic artifacts, which come from implanted intracranial electrodes and dental ferromagnetic prosthesis and produce a ...
    • Automatic classification between COVID-19 and Non-COVID-19 pneumonia using symptoms, comorbidities, and laboratory findings : the Khorshid COVID cohort study 

      Marateb, Hamid Reza; Nezhad, Farzad Ziaie; Mohebian, Mohammad Reza; Samí, Ramin; Javanmard, Shaghayegh Haghjooy; Dehghan Niri, Fatemeh; Akafzadeh Savari, Mahsa; Mansourian Gharakozlou, Marjan; Mañanas Villanueva, Miguel Ángel; Wolkewitz, Martin; Binder, Harald (Frontiers Media SA, 2021-11-18)
      Article
      Open Access
      Coronavirus disease-2019, also known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was a disaster in 2020. Accurate and early diagnosis of coronavirus disease-2019 (COVID-19) is still essential for health ...
    • Cardiolab: A Virtual Laboratory for the analysis of Human Circulatory System 

      Hernandez, Alher Mauricio; Pierfranco Herrera, Gino; Mañanas Villanueva, Miguel Ángel; Costa Castelló, Ramon (2009-09-23)
      Conference report
      Open Access
      One of the career areas included in the field of Biomedical Engineering is the application of engineering system analysis: physiological modelling, simulation and control. This paper describes a Virtual Laboratory ...
    • 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 Access
      Rett 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 ...
    • 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 Access
      Rett 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 ...
    • Classification of psychiatric symptoms using deep interaction networks: the CASPIAN-IV study 

      Marateb, Hamid Reza; Tasdighi, Zahra; Mohebian, Mohammad Reza; Naghavi, Azam; Hess, Moritz; Motlagh, Mohammad Esmaeil; Heshmat, Ramin; Mansourian Gharakozlou, Marjan; Mañanas Villanueva, Miguel Ángel; Binder, Harald; Kelishadi, Roya (Nature, 2021-12-01)
      Article
      Open Access
      Identifying the possible factors of psychiatric symptoms among children can reduce the risk of adverse psychosocial outcomes in adulthood. We designed a classification tool to examine the association between modifiable ...
    • 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 Access
      Background: 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 Access
      Rett 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 ...
    • Computational tool for modeling and simulation of mechanically ventilated patients 

      Serna Higuita, Leidy Yanet; Hernandez, Alher Mauricio; Mañanas Villanueva, Miguel Ángel (2010)
      Conference lecture
      Restricted access - publisher's policy
      The mechanical ventilator se ttings in patients with respiratory diseases like chronic obstr ructive pulmonary disease (COPD) during episodes of acute r respiratory failure (ARF) is not a simple task that in most cases is ...
    • Correspondence on “Electrocardiographic findings and prognostic values in patients hospitalised with COVID-19 in the World Heart Federation Global Study” by Pinto-Filho et al 

      Marateb, Hamid Reza; Mansourian Gharakozlou, Marjan; Mañanas Villanueva, Miguel Ángel (2023-02-14)
      Article
      Open Access
      The manuscript by Martins Pinto-Filho et al., a multicentre study on the prognostic value of electrocardiographic findings, was evaluated. However, certain critical issues were highlighted. First, the authors didn't verify ...
    • Cross-conditional entropy and coherence analysis of pharmaco-EEG changes induced by alprazolam 

      Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Romero Lafuente, Sergio; Rojas Martínez, Mónica; Riba Serrano, Jordi (2012-03)
      Article
      Restricted access - publisher's policy
      Rationale Quantitative analysis of electroencephalographic signals (EEG) and their interpretation constitute a helpful tool in the assessment of the bioavailability of psychoactive drugs in the brain. Furthermore, ...
    • Detection of multiple innervation zones from multi-channel surface EMG recordings with low signal-to-noise ratio using graph-cut segmentation 

      Marateb, Hamid Reza; Farahi, Morteza; Rojas Martínez, Mónica Marlene; Mañanas Villanueva, Miguel Ángel; Farina, Dario (Public Library of Science (PLOS), 2016-12-15)
      Article
      Open Access
      Knowledge of the location of muscle Innervation Zones (IZs) is important in many applications, e.g. for minimizing the quantity of injected botulinum toxin for the treatment of spasticity or for deciding on the type of ...
    • Drug effect on EEG connectivity assessed by linear and nonlinear couplings 

      Alonso López, Joan Francesc; Mañanas Villanueva, Miguel Ángel; Romero Lafuente, Sergio; Hoyer, Dirk; Riba Ruiz, Jordi-Roger; Barbanoj, Manel J. (2010-03)
      Article
      Restricted access - publisher's policy
      Quantitative analysis of human electroencephalogram (EEG) is a valuable method for evaluating psychopharmacological agents. Although the effects of different drug classes on EEG spectra are already known, interactions ...