Rachel,
You may want to:
1) compute the means of the time-series
2) detrend the time-series
3) apply the band-pass filter
4) reverse the gain of the filter at the middle of the band or
at the frequency of interest to the filtered time-series
5) add the means back.
Cheers,
Witaya Sungkarat
> We are working on analyzing our first set of resting state data and it
> appears that the consensus is that the data needs to be bandpass
> filtered. We created a filter in matlab using the signal processing
> toolbox. What do we need to do to our preprocessed data before we
> apply the filter?
>
> Any help is appreciated.
>
> Thanks
> Rachel
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