Optimization of fMRI Group Analysis Using Various Spatial Smoothing Parameters

Mikl,  Michal; Chlebus,  Pavel; Brázdil,  Milan; Drastich,  Aleš; Krupa,  Petr

Optimization of fMRI Group Analysis Using Various Spatial Smoothing Parameters

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Authors	MIKL Michal CHLEBUS Pavel BRÁZDIL Milan DRASTICH Aleš KRUPA Petr
Year of publication	2005
Type	Article in Periodical
Magazine / Source	NeuroImage
MU Faculty or unit	Faculty of Medicine
Citation
Field	Neurology, neurosurgery, neurosciences
Keywords	fMRI; spatial smoothing; group analysis
Description	fMRI images are pre-processed before the activation can be statistically detected. One of the pre-processing steps is spatial smoothing. The aim of this work is to discover the impact of spatial filtering with the Gaussian kernel and various FWHM sizes on group results.
Related projects:	The internal organisation and neurobiological mechanisms of functional CNS systems under normal and pathological conditions. Plasticity of Regulatory Mechanisms of the Central Nervous Systems