[FieldTrip] redefine time axis on time-frequency representations

Tzvetan Popov tzvetan.popov at uni-konstanz.de
Mon Dec 15 10:58:08 CET 2014

Hi Andreas,

ft_selectdata is probably what you need. 

> Dear all,
> I need to adjust the time axis of 4-D Fourier spectra (repetitions by channels by frequency by time) for each subject individually. I learned that ft_redefinetrial is only supposed to be applied on raw data (coming from ft_preprocessing). Am I correct that at this point the simplest way to shift the time axis is to write my own code (something like data2.time=data.time-0.02) rather than applying ft_redefinetrial on the raw data and calculating the TFRs again. 
> Thank you very much for your suggestions.
> Best,
> Andreas
> Andreas Wutz
> Post-Doctoral researcher at the Melcher Active Perception Lab
> CIMeC - Center for Mind/Brain Sciences
> Università degli studi di Trento
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