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å-fa: Produces a main effect for factor ÔaÕ
íIn this example, -fa determines which voxels show a percent signal change that is significantly different from zero when any level of factor ÒStimulus ConditionÓ is presented
í -fa StimEffect:
Activated areas respond to motion stimuli in general
ULay: sample_anat+tlrc
OLay: AvgANOVAv1+tlrc