MEG: An Introduction to Methods

Peter Hansen · Morten Kringelbach · Riitta Salmelin

Jul 2010 · Oxford University Press

About this ebook

Magnetoencephalography (MEG) is an exciting brain imaging technology that allows real-time tracking of neural activity, making it an invaluable tool for advancing our understanding of brain function. In this comprehensive introduction to MEG, Peter Hansen, Morten Kringelbach, and Riitta Salmelin have brought together the leading researchers to provide the basic tools for planning and executing MEG experiments, as well as analyzing and interpreting the resulting data. Chapters on the basics describe the fundamentals of MEG and its instrumentation, and provide guidelines for designing experiments and performing successful measurements. Chapters on data analysis present it in detail, from general concepts and assumptions to analysis of evoked responses and oscillatory background activity. Chapters on solutions propose potential solutions to the inverse problem using techniques such as minimum norm estimates, spatial filters and beamformers. Chapters on combinations elucidate how MEG can be used to complement other neuroimaging techniques. Chapters on applications provide practical examples of how to use MEG to study sensory processing and cognitive tasks, and how MEG can be used in a clinical setting. These chapters form a complete basic reference source for those interested in exploring or already using MEG that will hopefully inspire them to try to develop new, exciting approaches to designing and analyzing their own studies. This book will be a valuable resource for researchers from diverse fields, including neuroimaging, cognitive neuroscience, medical imaging, computer modelling, as well as for clinical practitioners.

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About the author

Peter C. Hansen, DPhil, is the Director of Neuroinformatics at the Birmingham University Imaging Centre (BUIC) and Senior Research Fellow in the School of Psychology, University of Birmingham, UK. Morten L. Kringelbach, DPhil, is the Director of Hedonia: Trygfonden Research Group and holds a dual appointment at the University of Oxford, UK, and Aarhus University, Denmark, where he is a Senior Research Fellow and a Professor of Neuroscience, respectively. Riitta Salmelin, DSc (Tech), is Academy Professor at the Brain Research Unit, Low Temperature Laboratory, Helsinki University of Technology, Finland.