Dear Muhammad,
I suppose another way to do this is at the epoching step by selecting triggers for two conditions at a time and then average your two new conditions after further preprocessing
Hope this helps,
Martin
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Martin Dietz
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On Sep 27, 2010, at 10:54 PM, MP wrote:
> Hello EEG SPMers,
>
> I wanted to know if there is a way to average EEG responses across 2 or more conditions. In my dataset i have 4 conditions (C1 C2 C3 C4) and at the averaging step, I want to average all C1 and C2 trials together and C3 and C4 trials together. Is there a way in SPM8 to do just that?
>
> Thanks
> - Muhammad
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