[Eeglablist] Basic FIR filter and SIFT

Andreas Widmann widmann at uni-leipzig.de
Fri Jun 23 08:45:10 PDT 2017

Hi Davida,

>     I have processed several datasets with EEGLAB tools' "Basic FIR filter (new, default)".  I used 0.5Hz lower edge and 50Hz upper edge followed by additional processing such as ICA.  I am now preparing to use this data with the SIFT toolbox for the first time.  I expect to look at Direct DTF, Partial Coherence, Complex Spectral Density, and probably other things too.  Is there an issue with the filtering method not being zero-phase (acausal)?
If you used default settings (i.e. NOT manually selected the "Use minimum phase..." checkbox) the "Basic FIR filter (new, default)" actually implements a zero-phase filter. Did you manually select the "minimum phase" checkbox and why?


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