Modified test statistics by inter-voxel variance shrinkage with an application to f MRI.

Abstract

Functional magnetic resonance imaging (f MRI) is a noninvasive technique which is commonly used to quantify changes in blood oxygenation and flow coupled to neuronal activation. One of the primary goals of f MRI studies is to identify localized brain regions where neuronal activation levels vary between groups. Single voxel t-tests have been commonly used… (More)
DOI: 10.1093/biostatistics/kxn028

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