you can specify TRs as outliers and this way exclude them from the analysis. You can do so by parsing a .txt. file to the optional input ‘outlier_files’ to the SpecifySPMModel node.
The .txt should include 0-based volume numbers that are to be excluded. An example is attached. sub-01_ses-01_task-class_run-01_bold_outliers.txt (108 Bytes)