Hi
>
> 1 – Does the command fsl_glm also consider the EVs generated by the first order temporal derivative, i.e. does it consider all the fed EVs?
>
Yes, all it sees is the .mat file so fsl_glm could not distinguish between original EVS and temporal derivatives thereof
> 2 – In such case, is it acceptable to divide the PEs (e.g. PE2 / PE1) in order to calculate the delay expressed in fractions of the TR (the same way as in the FSL course tutorials “Temporal Derivatives”)?
Yes
hth
Christian
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