Before revision:  Though temporal autocorrelation modelling in AFNI was not perfect, its performance was much higher than the performance of temporal autocorrelation modelling in FSL and SPM. FSL and SPM could improve their autocorrelation modelling approaches for example  adopting a noise model similar to the one used by AFNI.
After revision:  Though temporal autocorrelation modelling in AFNI was not perfect, its performance was much higher than the performance of temporal autocorrelation modelling in FSL and SPM. FSL and SPM could improve their autocorrelation modeling approaches for example adopting a noise model similar to the one used by AFNI.