Research Article

Detecting Activation in fMRI Data: An Approach Based on Sparse Representation of BOLD Signal

Table 4

Results of analyzing in vivo data with the normalp package indicating the shape parameter and the threshold estimated with (i) the normalp package and (ii) the closed form expression (11).

Stimuli

Arousal10.009797380.00979711
Dog10.14832750.14082884
Faces11.242160471.24212600
FruitsVegetables10.13282330.13281962
Hits10.392505830.39249493
Instructions1.36370.357446650.41064940
InteriorExterior10.136461070.13645728
SearchFruit10.044980260.04497901
SearchPeople10.019441260.01944072
SearchWeapons10.033873240.03387230
Valence10.040111550.04011044
Velocity1.78650.12216270.18050036
WeaponsTools10.400751430.40074030