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2. Advances in Denoising Spikes Waveforms for Electrophysiological Recordings

Author

López-Peco, Rocío, Val-Calvo, Mikel, Soto-Sánchez, Cristina, Fernández, Eduardo, Goos, Gerhard, Series Editor, Hartmanis, Juris, Founding Editor, van Leeuwen, Jan, Series Editor, Hutchison, David, Editorial Board Member, Kanade, Takeo, Editorial Board Member, Kittler, Josef, Editorial Board Member, Kleinberg, Jon M., Editorial Board Member, Kobsa, Alfred, Series Editor, Mattern, Friedemann, Editorial Board Member, Mitchell, John C., Editorial Board Member, Naor, Moni, Editorial Board Member, Nierstrasz, Oscar, Series Editor, Pandu Rangan, C., Editorial Board Member, Sudan, Madhu, Series Editor, Terzopoulos, Demetri, Editorial Board Member, Tygar, Doug, Editorial Board Member, Weikum, Gerhard, Series Editor, Vardi, Moshe Y, Series Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Ferrández Vicente, José Manuel, editor, Val Calvo, Mikel, editor, and Adeli, Hojjat, editor

Published
2024
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3. Machine Learning Method for Functional Assessment of Retinal Models

Author

Papadopoulos, Nikolas, Melanitis, Nikos, Lozano, Antonio, Soto-Sanchez, Cristina, Fernandez, Eduardo, and Nikita, Konstantina S

Subjects
Electrical Engineering and Systems Science - Image and Video Processing, Computer Science - Computer Vision and Pattern Recognition, Computer Science - Machine Learning
Abstract

Challenges in the field of retinal prostheses motivate the development of retinal models to accurately simulate Retinal Ganglion Cells (RGCs) responses. The goal of retinal prostheses is to enable blind individuals to solve complex, reallife visual tasks. In this paper, we introduce the functional assessment (FA) of retinal models, which describes the concept of evaluating the performance of retinal models on visual understanding tasks. We present a machine learning method for FA: we feed traditional machine learning classifiers with RGC responses generated by retinal models, to solve object and digit recognition tasks (CIFAR-10, MNIST, Fashion MNIST, Imagenette). We examined critical FA aspects, including how the performance of FA depends on the task, how to optimally feed RGC responses to the classifiers and how the number of output neurons correlates with the model's accuracy. To increase the number of output neurons, we manipulated input images - by splitting and then feeding them to the retinal model and we found that image splitting does not significantly improve the model's accuracy. We also show that differences in the structure of datasets result in largely divergent performance of the retinal model (MNIST and Fashion MNIST exceeded 80% accuracy, while CIFAR-10 and Imagenette achieved ~40%). Furthermore, retinal models which perform better in standard evaluation, i.e. more accurately predict RGC response, perform better in FA as well. However, unlike standard evaluation, FA results can be straightforwardly interpreted in the context of comparing the quality of visual perception., Comment: Accepted at 2021 43rd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

Published
2022
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8. Estudio observacional nacional sobre tratamiento quirúrgico de fístula anal: ¿tiene impacto en los resultados el tipo de hospital?

Author

Espinosa Soria, Javier, Seguí Orejuela, Jordi, Corral, Natalia Gutiérrez, Carmona Agundez, María, Saavedra Pérez, David, Calvaienen Mejía, Helga, Barros Segura, Marta, Pellino, Gianluca, Rodríguez León, Gerardo, Jiménez Salido, Andrea, Gómez Sánchez, Tatiana, Roldán Ortiz, Susana, Cantero Gutiérrez, Luis Eloy, Suarez Pazo, Natalia, Cristóbal Poch, Lidia, Gómez López, Juan Ramón, Méndez Sánchez, Pablo, Fernández Veiga, Pilar, Flores Rodríguez, Victoria Erene, Cano Valderrama, Oscar, Moncada Iribarren, Enrique, Ortega Torrecilla, Nuria, Carrillo Acosta, Alberto, Plata Illescas, Cristina, Diez Vigil, Jose Luis, Laviano Martínez, Estefanía, Beltrán Martos, María, Zafra, David Ambrona, Pérez Farré, Silvia, Díaz Pé rez, David, Gallardo Herrera, Ana Belén, Viejo, Elena, Ocaña Jiménez, Juan, Núñez Núñez, Jordi, Correa Bonito, Alba, Bermejo Marcos, Elena, González Bocanegra, Marta, Ferrer Martínez, Alicia, Mirón Fernández, Irene, González Sánchez-Migallón, Elena, Solano Palao, María Teresa, Peña Ros, Emilio, Aldrey Cao, Inés, Suero Rodríguez, Carlenny, Maderuelo, Victoria, Abascal Amo, Aroa, Cintas Catena, Juan, La Villa, María del Campo, Esmaili Ramo, Mahur, Broeckhuizen Benítez, Javier, Navarro Barles, Ana, Pérez Sánchez, Luis Eduardo, Soto Sánchez, Ana, Díaz Jiménez, Nélida, Feria González, Ana María, Domenech Pina, Estefanía, Ros Comesaña, Alejandro, Balciscueta Coltell, Zutoia, Pérez Santiago, Leticia, Garzón Hernández, Luisa Paola, de Andrés Gómez, Alejandra, Melero Abellán, Antonio, Sancho Muriel, Jorge, Millán Scheiding, Mónica, Cholewa, Hanna, Alarcón Iranzo, Marina, Fluixá Pelegri, Ana, Fernández Miguel, Tamara, Ortega Machón, Natalia, Alonso Hernández, Natalia, García Granero, Álvaro, Civeira Taboada, Tatiana, Rojo Fernández, Yago, Navas Cuellar, Jose Aurelio, Castillo, Celia, Pascual Miguelañez, Isabel, Dios Barbeitio, Sandra, Reyes Díaz, María Luisa, García Cabrera, Ana María, Ramallo Solís, Irene María, Pérez Pérez, Teresa, Marín, Gabriel, Calero Lillo, Aranzazu, Sánchez Guillén, Luis, López Noguera, Julia, Pérez, Miguel Ángel, Cano-Valderrama, Oscar, Cerdán-Santacruz, Carlos, Fernández-Miguel, Tamara, García-Granero, Álvaro, Calderón, Teresa, and Reyes, María L.

Published
2024
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15. ADVANTAGES OF BIDIRECTIONAL CORTICAL VISUAL PROSTHESES

Author

Fabrizio Grani, Mikel Val-Calvo, Rocio Lopez Peco, Alfonso Rodil Doblado, Dorota Waclawczyk, Roberto Morollon Ruiz, Leili Soo, Cristina Soto Sanchez, Marcos Villamarín Ortiz, and Eduardo Fernández Jover

Subjects
Neurosciences. Biological psychiatry. Neuropsychiatry, RC321-571
Published
2023
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18. Development and Validation of a Novel Technology for Postural Analysis and Human Kinematics

Author

Peco, Rocío López, Ruiz, Roberto Morollón, Soto-Sánchez, Cristina, Fernández, Eduardo, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Ferrández Vicente, José Manuel, editor, Álvarez-Sánchez, José Ramón, editor, de la Paz López, Félix, editor, and Adeli, Hojjat, editor

Published
2022
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19. Performance Evaluation of a Real-Time Phase Estimation Algorithm Applied to Intracortical Signals from Human Visual Cortex

Author

Grani, Fabrizio, Soto-Sanchez, Cristina, Rodil Doblado, Alfonso, Grima, Maria Dolores, Farfan, Fernando, Val Calvo, Mikel, Soo, Leili, Waclawczyk, Dorota, Ferrandez, JoseManuel, Gonzalez, Pablo, Coves, María Dolores, Alfaro, Arantxa, Fernández, Eduardo, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Ferrández Vicente, José Manuel, editor, Álvarez-Sánchez, José Ramón, editor, de la Paz López, Félix, editor, and Adeli, Hojjat, editor

Published
2022
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27. Performance Evaluation of a Real-Time Phase Estimation Algorithm Applied to Intracortical Signals from Human Visual Cortex

Author

Grani, Fabrizio, primary, Soto-Sanchez, Cristina, additional, Rodil Doblado, Alfonso, additional, Grima, Maria Dolores, additional, Farfan, Fernando, additional, Val Calvo, Mikel, additional, Soo, Leili, additional, Waclawczyk, Dorota, additional, Ferrandez, JoseManuel, additional, Gonzalez, Pablo, additional, Coves, María Dolores, additional, Alfaro, Arantxa, additional, and Fernández, Eduardo, additional

Published
2022
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28. A Dataset of Regressions in Web Applications Detected by End-to-End Tests

Author

Soto-Sánchez, Óscar, Maes-Bermejo, Michel, Gallego, Micael, Gortázar, Francisco, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Shepperd, Martin, editor, Brito e Abreu, Fernando, editor, Rodrigues da Silva, Alberto, editor, and Pérez-Castillo, Ricardo, editor

Published
2020
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29. The Youth Fitness International Test (YFIT) battery for monitoring and surveillance among children and adolescents: A modified Delphi consensus project with 169 experts from 50 countries and territories

Author

Oyeyemi, Adewale L., Marques, Adilson, Gribbon, Aidan, Gaya, Anelise Reis, García-Hermoso, Antonio, Sääkslahti, Arja, Emeljanovas, Arunas, Faigenbaum, Avery, Nakabazzi, Bernadette, Leskošek, Bojan, Popovic, Boris, O'Keeffe, Brendan, Timmons, Brian W., Mieziene, Brigita, Fraser, Brooklyn, Brand, Caroline, Anza-Ramirez, Cecilia, Alvarez-Bueno, Celia, Agostinis-Sobrinho, Cesar A., Hillman, Charles H., Niessner, Claudia, Drenowatz, Clemens, Magnussen, Costan G., Cadenas-Sanchez, Cristina, Berglind, Daniel, da Silva, Danilo Rodrigues Pereira, Colella, Dario, Lubans, David, Matelot, David, Tladi, Dawn M., Silva, Diego Augusto Santos, Moliner-Urdiales, Diego, Dumuid, Dot, Blain, Dylan, Jáuregui-Ulloa, Edtna, Pintos-Toledo, Enrique, Poon, Eric T., Lee, Eun-Young, Riso, Eva-Maria, Mäestu, Evelin, Bardid, Farid, Cañete, Felicia, Rodríguez-Rodríguez, Fernando, De Roia, Gabriela, Tabacchi, Garden, Stratton, Gareth, Sandercock, Gavin, Georgiev, Georgi, Vicente-Rodríguez, Germán, Ferrari, Gerson, Rosa, Gil, Welk, Greg, Jurak, Gregor, Starc, Gregor, Labayen, Idoia, Cigarroa, Igor, Esteban-Cornejo, Irene, Emeterio, Iván Clavel San, Milanović, Ivana, Clarke, Janine, Dobosz, Janusz, Mäestu, Jarek, Brazo-Sayavera, Javier, Sacheck, Jennifer M., Servais, Jennifer, Secchi, Jeremías David, Vanhelst, Jérémy, Ramírez, Jesús Viciana, Magalhães, João, Soto-Sánchez, Johana, Jaunig, Johannes, Reilly, John J., Smith, Jordan, Mota, Jorge, Castro-Piñero, Jose, López-Gil, José Francisco, Githang'a, Juliah Wambui, Mello, Júlio Brugnara, Janz, Kathleen, Weston, Kathryn L., Laurson, Kelly, Till, Kevin, Dlamini, Khanyile, Tambalis, Konstantinos D., Basterfield, Laura, Joensuu, Laura, Béghin, Laurent, Santos, Leandro dos, Mugisha, Lillian, Zou, Liye, Taylor, Juan Ricardo López Y, Štefan, Lovro, Léger, Luc, Wachira, Lucy-Joy, Sardinha, Luís B., Rubin, Lukas, Thuany, Mabliny, Cuenca-García, Magdalena, Paw, Mai Chin A, Sanchez-Lopez, Mairena, Pihu, Maret, Noriega, Maria Jose, Medrano-Echeverría, María, Beltran-Valls, Maria Reyes, Löf, Marie, Misigoj-Durakovic, Marjeta, Tremblay, Mark S., Gerber, Markus, Sorić, Maroje, Giuriato, Matteo, Vandoni, Matteo, Lenoir, Matthieu, Santander, Mauro D., Peralta, Miguel, Huhtiniemi, Mikko, Said, Mohamed Ahmed, Kaj, Mónika, Burn, Naomi, Ridgers, Nicola D., Lovecchio, Nicola, Aguilar-Farias, Nicolas, Wedderkopp, Niels, Veiga, Oscar L., Saint-Maurice, Pedro, Katzmarzyk, Peter, Henriksson, Pontus, Colley, Rachel, Ocansey, Reginald T-A., Kliegl, Reinhold, Ramírez-Vélez, Robinson, Ssenyonga, Ronald, Naidoo, Rowena, Pate, Russell R., McGrath, Ryan, Kuu, Saima, Salaj, Sanja, Gontarev, Seryozha, Morrison, Shawnda A., Nqweniso, Siphesihle, Chen, Sitong, Kagunda, Stanley, Prince, Stephanie A., Wong, Stephen H., Popovic, Stevo R., Fairclough, Stuart J., Andrade, Susana, Kriemler, Susi, Csányi, Tamás, Manyanga, Taru, Mwase-Vuma, Tawonga W., Kidokoro, Tetsu, Gomes, Thayse Natacha Q.F., Gisladottir, Thordis, Takken, Tim, Jaakkola, Timo, Lakka, Timo, Olds, Timothy, Tammelin, Tuija, Granacher, Urs, Carson, Valerie, Martínez-Vizcaíno, Vicente, Onywera, Vincent, Pellino, Vittoria Carnevale, Huang, Wendy Y., Yin, Xiaojian, Liu, Yang, Song, Yi, Sun, Yi, Liu, Yuan, Ortega, Francisco B., Zhang, Kai, Tomkinson, Grant R., Ruiz, Jonatan R., Keller, Katja, Nyström, Christine Delisle, Pate, Russell, Kidokoro, Tetsuhiro, Wachira, Lucy-Joy M., Cristi-Montero, Carlos, Fraser, Brooklyn J., Onywera, Vincent O., Liang, Li-Lin, Lubans, David R., and Lang, Justin J.

Published
2025
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30. Neurolight Alpha: Interfacing Computational Neural Models for Stimulus Modulation in Cortical Visual Neuroprostheses

Author

Lozano, Antonio, Suárez, Juan Sebastián, Soto-Sánchez, Cristina, Garrigós, Javier, Martínez, Jose-Javier, Ferrández Vicente, José Manuel, Fernández-Jover, Eduardo, Goos, Gerhard, Founding Editor, Hartmanis, Juris, Founding Editor, Bertino, Elisa, Editorial Board Member, Gao, Wen, Editorial Board Member, Steffen, Bernhard, Editorial Board Member, Woeginger, Gerhard, Editorial Board Member, Yung, Moti, Editorial Board Member, Ferrández Vicente, José Manuel, editor, Álvarez-Sánchez, José Ramón, editor, de la Paz López, Félix, editor, Toledo Moreo, Javier, editor, and Adeli, Hojjat, editor

Published
2019
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35. The Family Context in Cybervictimization: A Systematic Review and Meta-Analysis.

Author

Lozano-Blasco, Raquel, Barreiro-Collazo, Alejandra, Romero-Gonzalez, Borja, and Soto-Sanchez, Alberto

Subjects
PREVENTION of cyberbullying, VICTIMS, SOCIAL media, SOCIAL factors, SEX distribution, CULTURE, FAMILY roles, INFORMATION technology, EMOTIONS, META-analysis, AGE distribution, SYSTEMATIC reviews, COMMUNICATION, PERSONALITY, SOCIODEMOGRAPHIC factors, SOCIAL support
Abstract

The use of Information and Communication Technologies is clearly widespread among adolescents from a young age. Although it poses a significant contribution at the academic, social, and emotional levels, it can also involve a set of important risks, including cyberbullying and, therefore, cybervictimization. Previous studies have pointed out the importance of family context since parental control and family communication emerge as contributors to this phenomenon. Therefore, the aim of the present study was to analyze the influence of family communication on cybervictims and the moderating role of different sociodemographic variables (age, gender, nationality, and culture), as well as social, emotional, and personality variables. In this context, a meta-analysis was performed with a random effects model, using a total meta-sample of 29,093 adolescents (mean age: 14.50 years) distributed in k = 20 samples belonging to nine studies on cybervictimization published in English in Q1 journals between 2015 and 2020. The results showed that family offensive communication is related to cybervictimization. This could be because the affected individuals often use social media to compensate for the deficiencies they perceive within their families, as well as to obtain support, which increases their time spent on the Internet and their exposure to this phenomenon. These findings highlight the need for family and community interventions, not only school-based or individual interventions. [ABSTRACT FROM AUTHOR]

Published
2024
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41. Visual percepts evoked with an intracortical 96-channel microelectrode array inserted in human occipital cortex

Author

Fernandez, Eduardo, Alfaro, Arantxa, Soto-Sanchez, Cristina, Gonzalez-Lopez, Pablo, Lozano, Antonio M., Pena, Sebastian, Grima, Maria Dolores, Rodil, Alfonso, Gomez, Bernardeta, Chen, Xing, Roelfsema, Pieter R., Rolston, John D., Davis, Tyler S., and Normann, Richard A.

Subjects
Care and treatment, Usage, Analysis, Patient outcomes, Prostheses and implants -- Patient outcomes, Blindness -- Care and treatment, Microelectrodes -- Usage, Visual perception -- Analysis, Prosthesis -- Patient outcomes, Implants, Artificial -- Patient outcomes
Abstract

Introduction The artificial restoration of vision in blind persons by direct electrical stimulation of the visual cortex has been a subject of study since the early work of Brindley (1-3) [...], BACKGROUND. A long-held goal of vision therapy is to transfer information directly to the visual cortex of blind individuals, thereby restoring a rudimentary form of sight. However, no clinically available cortical visual prosthesis yet exists. METHODS. We implanted an intracortical microelectrode array consisting of 96 electrodes in the visual cortex of a 57-year-old person with complete blindness for a 6-month period. We measured thresholds and the characteristics of the visual percepts elicited by intracortical microstimulation. RESULTS. Implantation and subsequent explantation of intracortical microelectrodes were carried out without complications. The mean stimulation threshold for single electrodes was 66.8 [+ or -] 36.5 [micro] A. We consistently obtained high-quality recordings from visually deprived neurons and the stimulation parameters remained stable over time. Simultaneous stimulation via multiple electrodes was associated with a significant reduction in thresholds (P< 0.001, ANOVA) and evoked discriminable phosphene percepts, allowing the blind participant to identify some letters and recognize object boundaries. CONCLUSIONS. Our results demonstrate the safety and efficacy of chronic intracortical microstimulation via a large number of electrodes in human visual cortex, showing its high potential for restoring functional vision in the blind. TRIAL REGISTRATION. ClinicalTrials.gov identifier NCT02983370. FUNDING. The Spanish Ministerio de Ciencia Innovacion y Universidades, the Generalitat Valenciana (Spain), the Europan Union&apos;s Horizon 2020 programme, the Bidons Egara Research Chair of the University Miguel Hernandez (Spain), and the John Moran Eye Center of the University of Utah.

Published
2021
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46. Interstimulus Interval Affects Population Response in Visual Cortex in vivo

Author

Alegre-Cortés, Javier, Fernández, Eduardo, Soto-Sánchez, Cristina, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Weikum, Gerhard, Series editor, Ferrández Vicente, José Manuel, editor, Álvarez-Sánchez, José Ramón, editor, de la Paz López, Félix, editor, Toledo-Moreo, Fco. Javier, editor, and Adeli, Hojjat, editor

Published
2015
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