afni.nimh.nih.gov

Hi David,

If the input is a time series, or has many volumes,
then -2difMAD should not be needed, as structural
differences would be removed with the trends.

Given an array of input volumes, the only effect one
sub-brick should have on the estimation of the
smoothness of another is its effect on the trend, as
each volxel's time series trend is removed before
the smoothness is estimated.

- rick