How do you epoch data from one event marker to the next when the events are not equally spaced?

[Francois]

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Different epoch length, practical and theorics aspects

Hello to everyone, My protocol consist in a motor task cued by a bip cue, in healthy and clinical population. So I have 3 times of interest the "BIP’, the onset and the offset of the movement. So I have different epoch length because across all the trials and all the subjects the time to achieve the motor task is different. For my analysis, I plan to use ERD/ERS with TF by morlet wavelet. The first question is : is it right to do TF maps across trials with same epoch length but event of int…