Optimization of fMRI Group Analysis Using Various Spatial Smoothing Parameters

• 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
• 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.

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