 On the other hand, due to SPM modelling temporal autocorrelation in the least flexible way, it can introduce negative autocorrelations during pre-whitening for scans with long repetition times.
<fluency>  On the other hand, due to SPM modelling temporal autocorrelation in the least flexible way, it can introduce negative autocorrelations during pre-whitening for scans with long repetition times.
 On the other hand, due to SPM modeling temporal autocorrelation in the least flexible way, it can introduce negative autocorrelations during pre-whitening for scans with long repetition times.