 For data used as null data the use of FSL and SPM resulted in much higher false positive rates than the use of AFNI.
<meaning-changed>  For data used as null data the use of FSL and SPM resulted in much higher false positive rates than the use of AFNI.
 For data used as null data the use of FSL and SPM resulted in much higher false positive rates than AFNI. We showed it was because of residual positive autocorrelation left after pre-whitening.