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ICA in FMRI: A Basic Introduction

FMRIB Technical Report TR01MJ2

Mark Jenkinson and Christian Beckmann

Oxford Centre for Functional Magnetic Resonance Imaging of the Brain (FMRIB),
Department of Clinical Neurology, University of Oxford, John Radcliffe Hospital,
Headley Way, Headington, Oxford, UK


This report gives a basic introduction to the ideas and theory behind ICA as applied to FMRI. It also considers the initial PCA dimensionality reduction, and discusses the orthogonality of various signals.

Stephen Smith 2001-11-29