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Characterization of Neural Activity Using Complex Network Theory
This book reports on the development and assessment of a novel framework for studying neural interactions (the connectome) and their dynamics (the chronnectome). Using EEG recordings taken during an auditory oddball task performed by 48 patients with schizophrenia and 87 healthy controls, and applying local and network measures, changes in brain activation from pre-stimulus to cognitive response were assessed, and significant differences were observed between the patients and controls. This book investigates the source of the network abnormalities and presents new evidence for the disconnection hypothesis and the aberrant salience hypothesis with regard to schizophrenia. Moreover, it puts forward a novel approach to combining local regularity measures and graph measures in order to characterize schizophrenia brain dynamics, and presents interesting findings on the regularity of brain patterns in healthy control subjects versus patients with schizophrenia. Besides providing new evidence for the disconnection hypothesis, it offers a source of inspiration for future research directions in the field.
SGM: a Novel Time-frequency Algorithm Based on Unsupervised Learning Improves High-frequency Oscillation Detection in Epilepsy
Abstract: Objective. We propose a novel automated method called the S-Transform Gaussian Mixture detection algorithm (SGM) to detect high-frequency oscillations (HFO) combining the strengths of different families of previously published detectors. Approach. This algorithm does not depend on parameter tuning on a subject (or database) basis, uses time-frequency characteristics, and relies on non-supervised classification to determine if the events standing out from the baseline activity are HFO or not. SGM consists of three steps: the first stage computes the signal baseline using the entropy of the autocorrelation; the second uses the S-Transform to obtain several time-frequency features (ar...
XIII Mediterranean Conference on Medical and Biological Engineering and Computing 2013
The general theme of MEDICON 2013 is "Research and Development of Technology for Sustainable Healthcare". This decade is being characterized by the appearance and use of emergent technologies under development. This situation has produced a tremendous impact on Medicine and Biology from which it is expected an unparalleled evolution in these disciplines towards novel concept and practices. The consequence will be a significant improvement in health care and well-fare, i.e. the shift from a reactive medicine to a preventive medicine. This shift implies that the citizen will play an important role in the healthcare delivery process, what requires a comprehensive and personalized assistance. In...
Who's who in Atoms
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Colación de grados en la Universidad Valenciana Foral
Un análisis exhaustivo de la colación de grados en la Universitat de València desde su fundación en el año 1499 hasta la pérdida del patronato municipal sobre la institución universitaria como consecuencia de la aplicación de los decretos de Nueva Planta borbónicos, así como un catálogo de los graduados entre 1580 y 1611, con abundantes datos sobre su origen geográfico y social, títulos, etc.
Anales
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Conversaciones. Literatura pensamiento crítico y poesía
Conversaciones: es la propuesta a una mirada a nosotros mismos, como estaba escrito en el portal del Oráculo de Delfos; Conócete a ti mismo, nada en exceso. Una autocrítica necesaria e imprescindible, para comprender la problemática de este siglo globalizador. Para una alta diplomacia y relaciones internacionales pacíficas y honestas, es necesario que occidente, nosotros, que planteamos acercamientos entre culturas y civilizaciones, demostremos a los otros, que ahora se trata de una diplomacia diferente, dado que son temas de una trascendencia muy superior a todo lo anterior, que son temas delicados y abarcadores, y para una supervivencia global pacífica, es imprescindible que el otro,...
