Exploració per tema "Àrees temàtiques de la UPC::Ciències de la salut::Medicina::Neurologia"

Ara es mostren els items 1-20 de 98

    • A dual role for EDEM1 in the processing of rod opsin 

      Kosmaoglou, Maria; Kanuga, Naheed; Aguila Cerda, Mónica; Garriga Solé, Pere; Cheetham, Michael E (2009-12)
      Article
      Accés obert

    • A view-based decision mechanism for rewards in the primate amygdala 

      Grabenhorst, Fabian; Ponce Álvarez, Adrián Fernando; Battaglia-Mayer, Alexandra; Deco, Gustavo; Schultz, Wolfram (2023-12-06)
      Article
      Accés obert
      Primates make decisions visually by shifting their view from one object to the next, comparing values between objects, and choosing the best reward, even before acting. Here, we show that when monkeys make value-guided ...

    • Advanced vector architectures for future applications 

      Arriaga-Valera, Enrique; Espinosa-Oviedo, Javier A.; Vargas-Solar, Genoveva; Dávila-Pérez, Rogelio (Barcelona Supercomputing Center, 2017-05-04)
      Text en actes de congrés
      Accés obert
      Although there has been a lot of progress in the domain of automatic knowledge discovery (e.g., deep learning), we believe humans play a central role in the data analysis task. Therefore, we propose to build a visual stream ...

    • Age-related brain structural alterations in children with specific language impairment 

      Soriano-Mas, Carles; Pujol Nuez, Jesús; Ortiz Valencia, Héctor; Deus Yela, Joan; López-Sala, A; Sans, Anna (2009-05)
      Article
      Accés restringit per política de l'editorial
      Previous neuroimaging studies have suggested that children with specific language impairment (SLI) may show subtle anatomical alterations in specific brain regions. We aimed to characterize structural abnormalities in ...

    • Alteraciones oculares y visuales en pacientes con Alzheimer 

      Serra Morcillo, Judit (Universitat Politècnica de Catalunya, 2022-01-13)
      Treball Final de Grau
      Accés obert
      PROPÒSIT: Realitzar una revisió sistemática sobre les alteracions oculars i visuales en pacients amb la malaltia d’Alzheimer. MÈTODES: Seguint la metodología PRISMA, es va realizar una revisió bibliográfica en les bases ...

    • Analysis of the effect of cranial anatomy on the correct positioning of cranial electrodes 

      Ros Alsina, Aina (Universitat Politècnica de Catalunya, 2022-07-13)
      Projecte Final de Màster Oficial
      Accés restringit per decisió de l'autor
      New neuromodulation technologies, such as Transcranial Magnetic Stimulation (TMS) and Transcranial Direct Current Stimulation (tDCS), are being developed to treat and diagnose non-invasively various pathologies in the ...

    • Análisis cuantitativo de la actividad cerebral para determinar la maduración cerebral de los recién nacidos 

      Fabregat Sanjuan, Albert; Vingut Escandell, Francisco; Rodriguez Ballabriga, Angel; Rigo Vidal, Agnès; Larrosa Capacés, Susana; Pàmies Vilà, Rosa; Pascual Rubio, Vicenç (Universidad de las Palmas de Gran Canaria, 2023)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      El nivel de maduración cerebral en neonatos prematuros se puede determinar analizando los gráficos de la electroencefalografía integrada por amplitud (aEEG) siguiendo la escala de maduración del trazado propuesto por ...

    • Assessing the coupling between local neural activity and global connectivity fluctuations: Application to human intracranial electroencephalography during a cognitive task 

      Vila Vidal, Manel; Alkhawaja, Mariam; Carreño Martínez, María del Mar; Roldan Ramos, Pedro; Rumià Arboix, Jordi; Donaire Pedraza, Antonio Jesús; Deco, Gustavo; Tauste Campo, Adrián Francisco (2022-01-01)
      Article
      Accés obert
      Cognitive-relevant information is processed by different brain areas that cooperate to eventually produce a response. The relationship between local activity and global brain states during such processes, however, remains ...

    • Automatic segmentation of Nucleus Accumbens 

      Sem, Federico (Universitat Politècnica de Catalunya, 2012-09-05)
      Projecte Final de Màster Oficial
      Accés obert
      Segmentation of subcortical structures in the brain has become an increasingly important topic in contemporary medicine. The ability to effi ciently isolate different regions of the human brain has allowed doctors and ...

    • Bio-inspired systems. Computational and ambient intelligence 

      Sandoval, Francisco; Cabestany Moncusí, Joan; Prieto, Alberto (2011-09)
      Article
      Accés restringit per política de l'editorial
      In the present issue of Neurocomputing, it is apleasure to present you a collection of 12 extended versions of selected papers from the 10 the dition of the International Work Conference on Artificial Neural Networks ...

    • Brain tumor microarray data analyzed using clustering and novel consensus clustering techniques 

      Magaña Mesa, José Antonio (Universitat Politècnica de Catalunya, 2014-07-08)
      Projecte Final de Màster Oficial
      Accés obert
      Brain Tumor MA Data is analyzed with different clustering methods obtaining heterogenous results. Application of consensus clustering produces a robust unique solution.Results are validated with internal and external ...

    • Characterising brain connectivity along the lifespan in a rodent model of healthy ageing 

      Espinós Soler, Elena (Universitat Politècnica de Catalunya, 2023-07-24)
      Projecte Final de Màster Oficial
      Accés obert
      Realitzat a/amb:   Instituto de Neurociencias
      The brain parenchyma undergoes several structural changes throughout life, which have a ma- jor impact on its physiological evolution, and which are behaviorally reflected as changes in cognition and ability. A key question ...

    • Circuit mechanisms for the chemical modulation of cortex-wide network interactions and behavioral variability 

      Pfeffer, Thomas; Ponce Álvarez, Adrián Fernando; Tsetsos, Konstantinos; Meindertsma, Thomas; Gahnström, Christoffer Julius; van den Brink, Ruud Lucas; Nolte, Guido; Engel, Andreas Karl; Deco, Gustavo; Donner, Thobias Hinrich (2021-07-16)
      Article
      Accés obert
      Influential theories postulate distinct roles of catecholamines and acetylcholine in cognition and behavior. However, previous physiological work reported similar effects of these neuromodulators on the response properties ...

    • CNNs for electron microscopy segmentation 

      García-Amorena García, Pablo (Universitat Politècnica de Catalunya / École Polytechnique Fédérale de Lausanne, 2013)
      Treball Final de Grau
      Accés restringit per decisió de l'autor
      Realitzat a/amb:   École polytechnique fédérale de Lausanne
      In the framework of Biomedicine, mitochondria are known to play an important role in neural function. Recent studies show mitochondrial morphology to be crucial to cellular physiology and synaptic function, and a link ...

    • Computer-based cognitive rehabilitation: the CoRe system 

      Alloni, Anna; Sinforiani, Elena; Zuchella, Chiara; Sandrini, Giorgio; Bernini, Sara; Cattani, Barbara; Tost Pardell, Daniela; Quaglini, Silvana; Pistarini, Caterina (2015-10-27)
      Article
      Accés obert
      This work aims at providing a tool for supporting cognitive rehabilitation. This is a wide field, that includes a variety of diseases and related clinical pictures; for this reason the need arises to have a tool available ...

    • Cortical state transitions and stimulus response evolve along stiff and sloppy parameter dimensions, respectively 

      Ponce Álvarez, Adrián Fernando; Mochol, Gabriela; Hermoso-Mendizabal, Ainhoa; de la Rocha, Jaime; Deco, Gustavo (2020-03-17)
      Article
      Accés obert
      Previous research showed that spontaneous neuronal activity presents sloppiness: the collective behavior is strongly determined by a small number of parameter combinations, defined as ‘stiff’ dimensions, while it is ...

    • Critical scaling of whole-brain resting-state dynamics 

      Ponce Álvarez, Adrián Fernando; Kringelbach, Morten L.; Deco, Gustavo (Springer Nature, 2023-06-10)
      Article
      Accés obert
      Scale invariance is a characteristic of neural activity. How this property emerges from neural interactions remains a fundamental question. Here, we studied the relation between scale-invariant brain dynamics and structural ...

    • 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
      Accés restringit per política de l'editorial
      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, ...

    • Cross-frequency transfer in a stochastically driven mesoscopic neuronal model 

      Jedynak, Maciej; Pons Rivero, Antonio Javier; García Ojalvo, Jordi (2015-02-16)
      Article
      Accés obert
      The brain is known to operate in multiple coexisting frequency bands. Increasing experimental evidence suggests that interactions between those distinct bands play a crucial role in brain processes, but the dynamical ...

    • Degenerate time-dependent network dynamics anticipate seizures in human epileptic brain 

      Tauste Campo, Adrián Francisco; Principe, Alessandro; Rocamora, Rodrigo; Ley Nácher, Miguel; Deco, Gustavo (Public Library of Science (PLOS), 2018-04-05)
      Article
      Accés obert
      Epileptic seizures are known to follow specific changes in brain dynamics. While some algorithms can nowadays robustly detect these changes, a clear understanding of the mechanism bywhich these alterations occur and generate ...