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With 'dmUBLOCK(-X)', you have the total control of deciding to which value 'X' you would like to center the modulation parameter. In other words, with the setting you want to interpret the first effect as the percent signal change associated with the parameter (e.g. reaction time) value of X.

Gang



Edited 1 time(s). Last edit at 12/11/2019 12:16PM by Gang.