# Register dataset, saving motion parameters
 
3dvolreg -base 3                  \
         -verb                    \
         -prefix epi_r1_reg       \
         -1Dfile epi_r1_mot.1D    \
         epi_r1+orig
 
# Simple regression via stim_times
 
3dDeconvolve                                    \
    -input epi_r1_reg+orig                      \
    -nfirst     2                               \
    -num_stimts 1                               \
    -stim_times 1 epi_r1_times.txt 'BLOCK(20)'  \
    -stim_label 1 AllStim                       \
    -tout                                       \
    -bucket epi_r1_func                         \
    -fitts  epi_r1_fitts                        \
    -xjpeg epi_r1_Xmat.jpg                      \
    -x1D epi_r1_Xmat.x1D