EAN: 9783031004940

SYNTHESIS LECTURES ON BIOMEDICAL ENGINEERING ...

In the last ten years many different brain imaging devices have conveyed a lot of information
about the brain functioning in different experimental conditions. In every case  the biomedical
engineers  together with mathematicians  physicists and physicians are called to elaborate the
signals related to the brain activity in order to extract meaningful and robust information to
correlate with the external behavior of the subjects. In such attempt  different signal
processing tools used in telecommunications and other field of engineering or even social
sciences have been adapted and re-used in the neuroscience field. The present book would like
to offer a short presentation of several methods for the estimation of the cortical
connectivity of the human brain. The methods here presented are relatively simply to implement
robust and can return valuable information about the causality of the activation of the
different cortical areas in humans using non invasive electroencephalographic recordings. The
knowledge of such signal processing tools will enrich the arsenal of the computational methods
that a engineer or a mathematician could apply in the processing of brain signals. Table of
Contents: Introduction   Estimation of the Effective Connectivity from Stationary Data by
Structural Equation Modeling   Estimation of the Functional Connectivity from Stationary Data
by Multivariate Autoregressive Methods   Estimation of Cortical Activity by the use of
Realistic Head Modeling   Application: Estimation of Connectivity from Movement-Related
Potentials   Application to High-Resolution EEG Recordings in a Cognitive Task (Stroop Test)  
Application to Data Related to the Intention of Limb Movements in Normal Subjects and in a
Spinal Cord Injured Patient   The Instantaneous Estimation of the Time-Varying Cortical
Connectivity by Adaptive Multivariate Estimators   Time-Varying Connectivity from Event-Related
Potentials

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