Now showing items 1-20 of 41

  • 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
    Restricted access - publisher's policy
    Current 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 ...
  • Análisis de la actividad electroencefalográfica (EEG) durante la realización de tareas cognitivas. Aplicación a la enfermedad de alzheimer 

    Mota Canals, Carlos (Universitat Politècnica de Catalunya, 2019-05-29)
    Bachelor thesis
    Open Access
    Covenantee:  BIOART
    La enfermedad de Alzheimer (EA) es una enfermedad neurológica compleja que está caracterizada por una degeneración neuronal progresiva que se manifiesta por un deterioro cognitivo y trastornos conductuales. Se caracteriza ...
  • Analysis of brain changes before epileptic seizures 

    Escarre Pons, Bernat (Universitat Politècnica de Catalunya, 2014-12)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Politecnico di Torino
    [ANGLÈS] This study analyse EEG signals from different patients who suffer from epilepsy by means of mathematic algorithms in order to see what happens in the brain minutes before epileptic seizures.
  • Assessment of sedation-analgesia by means of Poincaré analysis of the electroencephalogram 

    Bolaños, José D; Vallverdú Ferrer, Montserrat; Caminal Magrans, Pere; Valencia, Daniel F.; Borrat, Xavier; Gambus, Pedro L.; Valencia, Jose F. (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Conference lecture
    Open Access
    Monitoring the levels of sedation-analgesia may be helpful for managing patient stress on minimally invasive medical procedures. Monitors based on EEG analysis and designed to assess general anesthesia cannot distinguish ...
  • Auditory and nociceptive stimuli responses in the electro–encephalogram : a non-linear measures and time-frequency representation based analysis 

    Melia, Umberto Sergio Pio; Vallverdú Ferrer, Montserrat; Clarià Sancho, Francesc; Valls-Solé, Josep; Caminal Magrans, Pere (2014)
    Article
    Restricted access - publisher's policy
    Introduction: This article is part of the Focus Theme of Methods of Information in Medicine on “Biosignal Interpretation: Advanced Methods for Neural Signals and Images“. Objectives: An efficient way to investigate the ...
  • Classification of mental tasks using different spectral estimation methods 

    Diez, Pablo F.; Laciar, Eric; Mut, Vicente; Ávila, Enrique; Torres Cebrián, Abel (InTech, 2009-10-01)
    Part of book or chapter of book
    Open Access
  • Comparison of the qCON and qNOX indices for the assessment of unconsciousness level and noxious stimulation response during surgery 

    Melia, Umberto Sergio Pio; Gabarrón, Eva; Agustí, Mercé; Souto, Nuria; Pineda, Patricia; Fontanet, Joan; Vallverdú Ferrer, Montserrat; Jensen, Erik Weber; Gambus, Pedro L. (2016-10-20)
    Article
    Open Access
    The objective of this work is to compare the performances of two electroencephalogram based indices for detecting loss of consciousness and loss of response to nociceptive stimulation. Specifically, their behaviour after ...
  • 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, ...
  • Desarrollo de una interfaz cerebro-ordenador (BCI) para aplicaciones de robótica 

    González Sobrino, Lucía Leticia; Prieto Tarzia, Julieta; Martínez García, Herminio (International Centre for Numerical Methods in Engineering (CIMNE), 2018)
    Conference report
    Open Access
    En este artículo se presenta el diseño y posterior implementación física de un sistema capaz de captar las señales procedentes del cerebro. Se resumirán los conocimientos y la tecnología empleada para el desarrollo del ...
  • Design and fabrication of a dry eeg electrode 

    Marzo i Vila, Eduard (Universitat Politècnica de Catalunya, 2019-07-31)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Institut national des sciences appliquées de Lyon
    Nowadays EEG signal is the most utilized non-invasive brain data acquisition, because of its portability, low cost in relation with other techniques and ease to obtain brain waves. In order to obtain this signal, electrodes ...
  • Detection of movements with attention or distraction to the motor task during robot-assisted passive movements of the upper limb 

    Antelis, Javier M.; Montesano, Luis; Giralt Ludevid, Xavier; Casals Gelpi, Alicia; Minguez, Javier (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    Robot-assisted rehabilitation therapies usually focus on physical aspects rather than on cognitive factors. However, cognitive aspects such as attention, motivation, and engagement play a critical role in motor learning ...
  • 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 ...
  • EEG based volitional interaction with a robot to dynamically replan trajectories 

    Galve Ceamanos, Sergio (Universitat Politècnica de Catalunya, 2018-09-17)
    Master thesis
    Open Access
    Everyday robots are more involved in our daily basis and they are expected to be part of the domestic environment eventually. Assertive robots deal with this scenario providing help to people with certain disabilities, a ...
  • EEG Dynamic Analysis in Epilepsy Source Localization 

    Roig Solvas, Biel (Universitat Politècnica de Catalunya, 2013-12-13)
    Bachelor thesis
    Open Access
    Covenantee:  Northeastern University
    [ANGLÈS] Our aim in this project is to study the spatio-temporal structures present in EEG epilepsy record- ings to uncover dynamic patterns that could be of use in the Source Localization problem, among other applications. ...
  • Electroencephalographic signal analysis of daytime sleepiness syndrome 

    Domingo I Mateu, Bernat (Universitat Politècnica de Catalunya, 2017-06-15)
    Bachelor thesis
    Restricted access - confidentiality agreement
  • Estudi de la connectivitat cerebral durant la vigília prolongada 

    Marta, Alcalá; Alonso López, Joan Francesc; Giménez, Sandra; Romero Lafuente, Sergio; Mañanas Villanueva, Miguel Ángel (EUETIB, 2014-12-01)
    Conference report
    Open Access
    En aquest estudi s’avaluen els efectes de la privació de son sobre el senyals electroencefalogràfics de voluntaris sans mitjançant la transferència d’entropia (TE), una tècnica no paramètrica que permet detectar dependències ...
  • Estudio comparativo de detección de crisis epilepticas en niños con EEG y Stereo-EEG 

    Almajano De Mir, Beatriz (Universitat Politècnica de Catalunya, 2018-09-10)
    Bachelor thesis
    Open Access
  • Evaluación de la función cognitiva en pacientes con síndrome de Rett 

    Tost Abadías, Ana (Universitat Politècnica de Catalunya, 2018-06-26)
    Bachelor thesis
    Open Access
    El síndrome de Rett es una enfermedad del desarrollo neurológico y de causa genética que afecta principalmente a las niñas. El objetivo de este proyecto es la evaluación de la función cognitiva de estas niñas mediante ...
  • Evaluación de las señales de electroencefalograma y flujo sanguíneo cerebral durante anestesia general 

    Espinoso Palacín, Anaïs (Universitat Politècnica de Catalunya, 2018-06-26)
    Bachelor thesis
    Restricted access - author's decision
    El primer objetivo es la adquisición y preprocesado de las señales recogidas durante cirugías con el fin de encontrar si el flujo sanguíneo cerebral es un parámetro importante a la hora de monitorizar la profundidad ...
  • Event related (de-)synchronization patterns in actual and imagined hand movements 

    Espinosa Manzanal, Arnau (Universitat Politècnica de Catalunya, 2009-04)
    Master thesis (pre-Bologna period)
    Open Access
    This project presents different signal processing techniques, such as Principal Component Analysis (PCA) and Common Spatial Patterns (CSP), applied to characterize the reactivity of central rhythms in the alpha and beta ...