Retalhos septocutâneos de fluxo invertido : Contribuição para o seu estudo ao nível distal nos membros

Dissertação de Doutoramento em Medicina, área de especialização em Cirurgia, apresentada à Faculdade de Medicina da Universidade do Port

Smart Footwear Insole for Recognition of Foot Pronation and Supination Using Neural Networks

Abnormal foot postures during gait are common sources of pain and pathologies of the lower limbs. Measurements of foot plantar pressures in both dynamic and static conditions can detect these abnormal foot postures and prevent possible pathologies. In this work, a plantar pressure measurement system is developed to identify areas with higher or lower pressure load. This system is composed of an embedded system placed in the insole and a user application. The instrumented insole consists of a low-power microcontroller, seven pressure sensors and a low-energy bluetooth module. The user application receives and shows the insole pressure information in real-time and, finally, provides information about the foot posture. In order to identify the different pressure states and obtain the final information of the study with greater accuracy, a Deep Learning neural network system has been integrated into the user application. The neural network can be trained using a stored dataset in order to obtain the classification results in real-time. Results prove that this system provides an accuracy over 90% using a training dataset of 3000+ steps from 6 different users.Ministerio de Economía y Competitividad TEC2016-77785-

Rehabilitación de pacientes con movilidad reducida usando exoesqueleto y técnicas de gamificación

Este proyecto denominado consiste en la creación de un prototipo de exoesqueleto para su utilización en personas con movilidad reducida en brazos y manos. Está enfocado en entrenar al paciente con distintos grados de ejercicios y esfuerzos para ayudar en las tareas de recuperación del movimiento y aumentar así la movilidad de estas partes del cuerpo ante mencionadas. Para realizar estas funciones, el prototipo está formado por: una exo-mano que permite mover los dedos del usuario gracias al uso de motores, un exo-brazo que cuenta con un motor en el codo que ayuda al movimiento del brazo y una aplicación software con el que el usuario interactúa con el exoesqueleto y permite el entrenamiento y recolección de datos de éste. La exo-mano es capaz de imitar los movimientos de la mano del usuario a partir de un sen- sor que mide el grado de actividad del músculo de la mano, mientras que el exo-brazo calcula el grado de curvatura en función de su posición. Los componentes hardware del prototipo se interconectan con las aplicaciones software gracias al microcontrolador conectado al puerto serie del PC. La aplicación software esta´ formado por dos juegos en los que cada uno entrena una parte diferente: un juego estilo Pong con el que el usuario entrena el movimiento del brazo y en función de su grado de movilidad, el exo-brazo se adapta para ofrecer mayor o menor ayuda, y un juego con el que entrenar el movimiento tanto del brazo como de la mano, en el que la exo-mano se adapta al grado de movilidad de la mano.This project called ExoKit consists on the creation of a prototype of exoskeleton for its use in people with reduced mobility in arms and hands. It’s focused on training the patient with different types of exercises and efforts to help in the tasks of recovery of movement and thus increase the mobility of these parts of the body mentioned above. To perform these functions, the prototype consists of: an exohand that allows the user’s fingers to move thanks to the use of motors, an exo-arm that has a motor in the elbow that helps arm movement and a software application with the one that the user interacts with the exoskeleton and allows the training and data collection of the same. The exo-hand can imitate the movements of the user’s hand from a sensor that measures the degree of activity of the hand muscle, while the exo-arm calculates the degree of curvature as a function of its position. The hardware components of the prototype are interconnected with the software applications thanks to the microcontroller connected to the serial port of the PC. The software application consists of two games in which each of them trains a different part: a Pong style game with which the user trains the movement of the arm and depending on their degree of mobility, the exo-arm is adapted to offer more or less help, and a game with which to train the movement of the arm as well as the hand, in which the exo-hand adapts to the degree of mobility of the user’s hand.Universidad de Sevilla. TEP- 108: Robótica y Tecnología de Computadore

Controvérsia sobre a Doença do Implante de Silicone Mamário: Uma revisão sistemática sobre o tema

Introduction: Currently, there is overwhelming evidence to support the safety of silicone breast implants. The decision to obtain, maintain or remove breast implants is the patient's choice. If a patient chooses to remove breast implants, it is important to find a plastic surgeon certified by the Brazilian Society of Plastic Surgery. Objectives: The purpose of this article is to present the current state of scientific evidence related to the safety of silicone breast implants. Ongoing studies are strongly encouraged in all areas, from cancer detection to autoimmune disease, with the plastic surgeon (a) being responsible for the effort required to improve patient safety, awareness and education. Methodology: The term “Silicone Implant Illness” was searched on the Google Scholar, Scopus and Web of Sciences indexing portals and 102 articles with the highest impact factor and citations were selected. Conclusion: To date, there are no concrete or evidence-based studies or peer-reviewed data on the formation of a new syndrome.Introducción: actualmente, existen pruebas abrumadoras para respaldar la seguridad de los implantes mamarios de silicona. La decisión de obtener, mantener o quitar los implantes mamarios es decisión del paciente. Si una paciente elige quitarse los implantes mamarios, es importante encontrar un cirujano plástico certificado por la Sociedad Brasileña de Cirugía Plástica. Objetivos: El propósito de este artículo es presentar el estado actual de la evidencia científica relacionada con la seguridad de los implantes mamarios de silicona. Se recomiendan encarecidamente los estudios en curso en todas las áreas, desde la detección del cáncer hasta las enfermedades autoinmunes, siendo el cirujano plástico (a) el responsable del esfuerzo requerido para mejorar la seguridad, la conciencia y la educación del paciente. Metodología: se buscó el término "Enfermedad del implante de silicona" en los portales de indexación de Google Scholar, Scopus y Web of Sciences y se seleccionaron 102 artículos con el mayor factor de impacto y citas. Conclusión: Hasta la fecha, no existen estudios concretos o basados ​​en evidencia o datos revisados ​​por pares sobre la formación de un nuevo síndrome.  Introdução: Atualmente, existem evidências esmagadoras para apoiar a segurança dos implantes mamários de silicone. A decisão obter, manter ou remover os implantes mamários é escolha da paciente. Se uma paciente optar por remover os implantes mamários, é importante encontrar um cirurgião plástico certificado pela Sociedade Brasileira de Cirurgia Plástica. Objetivos: O objetivo deste artigo é apresentar o estado atual das evidências científicas relacionadas à segurança dos implantes mamários de silicone.  Os estudos em andamento são fortemente incentivados em todas as áreas, da detecção do câncer à doença auto-imune, cabendo ao profissional cirurgião plástico (a), o esforço necessário para melhorar a segurança, a conscientização e a educação do paciente. Metodologia: Foi pesquisado o termo “Silicone Implant Illness” nos portais de indexação Google Acadêmico, Scopus e Web of Sciences e foram selecionados 102 artigos com maior fator de impacto e citações. Conclusão: Até o presente momento, não existem estudos concretos ou baseados em evidências ou dados revisados ​​por pares sobre a formação de uma nova síndrome. &nbsp

Evaluación de programas online de capacitación docente sobre innovación y competencias digitales durante la Covid-19: #webinarsUNIA

The Covid-19 pandemic has caused a digital transformation in university teaching that has yet to be assessed and analyzed in all its dimensions. Faced with this, institutions have developed different strategies, also in network, to train teachers. This paper offers a university program, #webinarsUNIA, framed in annual university teacher training plans from 2013-14 but open and free of charge for anyone interested. We focused on the results of the 2020-21 edition, with twenty seminars in response to teacher training demands due to the sudden and rapid virtualization of their programs during the pandemic and with a total of 10,933 participants from different geographical origins. To measure their satisfaction, surveys were designed with Cronbach's alpha 0.789, which considered, among other dimensions: organization, teachers, contents and format of the activities. The evaluation was optional and obtained a sample of 1908 responses (34% of those who completed the training). The outcomes were generally rather positive because they met the principle of relevance in the objectives, gathered in a needs survey prior to the design and timeliness in the format. In addition, they paved the way for the generation of new resources and learning products in SPOC format, which are very useful for training a large number of teachers on digital competences, educational innovation and e-learning in the Covid-19 scenario.La pandemia de la Covid-19 ha provocado una transformación digital en la docencia universitaria aún por valorar y analizar en todas sus dimensiones. Ante ello, las instituciones han desarrollado diferentes estrategias, también en red, para formar al profesorado. El presente artículo expone un programa universitario, los #webinarsUNIA, enmarcado en los planes anuales de formación al profesorado de la Universidad desde 2013-14 pero en abierto y sin coste para cualquier persona interesada. Nos centramos en los resultados de la edición 2020-21, con una veintena de seminarios como respuesta a las demandas formativas docentes fruto de la sobrevenida y rápida virtualización de los programas durante la pandemia, y que reunió a 10.933 participantes de diversa procedencia geográfica. Para medir su satisfacción se diseñaron encuestas con “alfa de Cronbach” 0,789 que consideraron, entre otras dimensiones, organización, docentes, contenidos y formato de las actividades. La evaluación fue opcional y obtuvo una muestra de 1.908 respuestas (34% de quienes concluyeron la formación). Los resultados fueron en general muy positivos, atendiendo al principio de pertinencia en los objetivos, necesidades recogidas en un sondeo previo al diseño y oportunidad en el formato. Además, abrieron paso a la generación de nuevos recursos y productos de aprendizaje en formato SPOC de gran utilidad para capacitar sobre competencias digitales, innovación educativa y e-learning a un gran número de docentes en el escenario de la Covid-19

ED-Scorbot: A Robotic test-bed Framework for FPGA-based Neuromorphic systems

Neuromorphic engineering is a growing and promising discipline nowadays. Neuro-inspiration and brain understanding applied to solve engineering problems is boosting new architectures, solutions and products today. The biological brain and neural systems process information at relatively low speeds through small components, called neurons, and it is impressive how they connect each other to construct complex architectures to solve in a quasi-instantaneous way visual and audio processing tasks, object detection and tracking, target approximation, grasping…, etc., with very low power. Neuromorphs are beginning to be very promising for a new era in the development of new sensors, processors, robots and software systems that mimic these biological systems. The event-driven Scorbot (EDScorbot) is a robotic arm plus a set of FPGA / microcontroller’s boards and a library of FPGA logic joined in a completely event-based framework (spike-based) from the sensors to the actuators. It is located in Seville (University of Seville) and can be used remotely. Spike-based commands, through neuro-inspired motor controllers, can be sent to the robot after visual processing object detection and tracking for grasping or manipulation, after complex visual and audio-visual sensory fusion, or after performing a learning task. Thanks to the cascade FPGA architecture through the Address-Event-Representation (AER) bus, supported by specialized boards, resources for algorithms implementation are not limited.Ministerio de Economía y Competitividad TEC2012-37868-C04-02Junta de Andalucía P12-TIC-130

Incremento de la motivación en el aprendizaje de enseñanzas informáticas mediante herramientas maker

La enseñanza de asignaturas del ámbito de la informática está experimentando un gran cambio. La motivación del alumnado se encuentra en proceso de una recesión. Ésta, históricamente, se ha relacionado con el alumnado, pero no es del todo correcto. Es obligación del profesor aportar argumentos en la docencia para facilitar esta motivación. En este trabajo se ahonda acerca de esta discusión, incidiendo en las posibles causas. Como caso práctico, se explica la metodología implementada en una asignatura impartida en dos centros (y ciudades) diferentes y con idéntico contenido. Esta asignatura pertenece a un grado compartido entre Universidad de Sevilla y otra universidad, impartiéndose en ambas sedes por igual y con un temario idéntico. Mientras ésta asignatura posee históricamente un enfoque más clásico, desde la Universidad de Sevilla se ha dado un giro en su metodología de docencia. Esta actualización de contenidos y aprendizaje basado en proyectos se detalla aquí, así como los resultados obtenidos

Changes in visual function and retinal structure in the progression of Alzheimer's disease

Background: Alzheimer’s Disease (AD) can cause degeneration in the retina and optic nerve either directly, as a result of amyloid beta deposits, or secondarily, as a result of the degradation of the visual cortex. These effects raise the possibility that tracking ophthalmologic changes in the retina can be used to assess neurodegeneration in AD. This study aimed to detect retinal changes and associated functional changes in three groups of patients consisting of AD patients with mild disease, AD patients with moderate disease and healthy controls by using non-invasive psychophysical ophthalmological tests and optical coherence tomography (OCT). Methods: We included 39 patients with mild AD, 21 patients with moderate AD and 40 age-matched healthy controls. Both patients and controls were ophthalmologically healthy. Visual acuity, contrast sensitivity, colour perception, visual integration, and choroidal thicknesses were measured. In addition, OCT and OCT angiography (OCTA) were applied. Findings: Visual acuity, contrast sensitivity, colour perception, and visual integration were significantly lower in AD patients than in healthy controls. Compared to healthy controls, macular thinning in the central region was significant in the mild AD patients, while macular thickening in the central region was found in the moderate AD group. The analysis of macular layers revealed significant thinning of the retinal nerve fibre layer, the ganglion cell layer and the outer plexiform layer in AD patients relative to controls. Conversely, significant thickening was observed in the outer nuclear layer of the patients. However, mild AD was associated with significant thinning of the subfovea and the nasal and inferior sectors of the choroid. Significant superonasal and inferotemporal peripapillary thinning was observed in patients with moderate disease. Conclusions: The first changes in the mild AD patients appear in the psychophysical tests and in the central macula with a decrease in the central retinal thickness. When there was a disease progression to moderate AD, psychophysical tests remained stable with respect to the decrease in mild AD, but significant thinning in the peripapillary retina and thickening in the central retina appeared. The presence of AD is best indicated based on contrast sensitivity

estudos artísticos

Crescer na intervenção e na comunicação é um dos objetivos da Revista Gama, estudos artísticos. Promove-se a comunicação, formal, dentro das regras da comunicação académica, através de textos cuja característica comum é serem escritos por artistas, sobre a obra de outros artistas. Este foi o critério base que inspirou o projeto das iniciativas associadas ao Congresso CSO (criadores sobre outras obras), que já completou seis anos de disseminação. A Revista Gama singularizou-se por convocar artistas e obras que de algum modo estariam esquecidos, desconhecidos, ou ainda pouco divulgados. Obras cuja execução tem raízes em passados mais ou menos recentes, mas que pelo excesso de discursos na contemporaneidade, não obtiveram a divulgação desejada. Este é um propósito de intervenção no conhecimento patrimonial: as obras existem, foram executadas, enriquecem o nosso património, mas há que as fazer funcionar, dar a conhecer, aos outros artistas, aos especialistas, ao grande público. Assim se reuniram neste número 6 da Revista Gama vinte e quatro artigos originais, procurando-se, na sua sequência e articulação, algumas relações de pertinência e afinidade. Olhares sobre arquivos, sobre acervos, sobre coleções, conjuntos muitas vezes fechados e em perigo de esquecimento, ou de incompreensão: uma entrada discreta que se abre para o interior de uma câmara escura, que é um espaço cheio de imagens por revelar.info:eu-repo/semantics/publishedVersio