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  • This study presents a broad perspective on the influence of spatial smoothing on fMRI group activation results. The optimal filter size for group analysis is discussed according to various criteria. For our experiment, the optimal FWHM is about 8 mm. We can conclude that for robust experiments and an adequate number of subjects in the study, the optimal FWHM for single-subject inference is similar to that for group inference. For less robust experiments and fewer subjects in the study, a higher FWHM would be optimal for group inference than for single-subject inferences.
  • This study presents a broad perspective on the influence of spatial smoothing on fMRI group activation results. The optimal filter size for group analysis is discussed according to various criteria. For our experiment, the optimal FWHM is about 8 mm. We can conclude that for robust experiments and an adequate number of subjects in the study, the optimal FWHM for single-subject inference is similar to that for group inference. For less robust experiments and fewer subjects in the study, a higher FWHM would be optimal for group inference than for single-subject inferences. (en)
Title
  • Effects of spatial smoothing on fMRI group inferences
  • Effects of spatial smoothing on fMRI group inferences (en)
skos:prefLabel
  • Effects of spatial smoothing on fMRI group inferences
  • Effects of spatial smoothing on fMRI group inferences (en)
skos:notation
  • RIV/00216224:14110/08:00027343!RIV10-MSM-14110___
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • S, Z(MSM0021622404)
http://linked.open...iv/cisloPeriodika
  • 4
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 365429
http://linked.open...ai/riv/idVysledku
  • RIV/00216224:14110/08:00027343
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • fMRI; Spatial smoothing; Group inferences; SPM (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • US - Spojené státy americké
http://linked.open...ontrolniKodProRIV
  • [BF766D83B4F8]
http://linked.open...i/riv/nazevZdroje
  • Magnetic Resoannce Imaging
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 26
http://linked.open...iv/tvurceVysledku
  • Brázdil, Milan
  • Hluštík, Petr
  • Mikl, Michal
  • Mareček, Radek
  • Krupa, Petr
  • Pavlicová, Martina
  • Drastich, Aleš
  • Chlebus, Pavel
http://linked.open...ain/vavai/riv/wos
  • 000255299100007
http://linked.open...n/vavai/riv/zamer
issn
  • 0730-725X
number of pages
http://localhost/t...ganizacniJednotka
  • 14110
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