[FieldTrip] FT_analysis of the average vs average(FT_analysis(single trials))
jan.schoffelen at donders.ru.nl
Wed May 11 10:56:10 CEST 2011
Yes, if you average across the trial-dimension you will obtain the TFR
On May 6, 2011, at 5:28 PM, tommaso fedele wrote:
> Hi all,
> I want to test if some component that I observe in the average of my
> ERP signal are phase locked to the stimulus.
> In oder to do so I compare
> 1. TFR_averaged_signal = ft_freqanalysis(cfg, averaged_signal)
> 2. TFR_singletrials_signal = ft_freqanalysis(cfg,
> with the first structure TFR_averaged_signal everything is fine, and
> I get my nice TF plot.
> with the second I should average through "trials". Is there a
> function for that? Or, is it correct to proceed plotting
> the average of TFR_singletrials_signal.powspctrm through the
> "trials-matrix dimension"?
> fieldtrip mailing list
> fieldtrip at donders.ru.nl
Dr. J.M. (Jan-Mathijs) Schoffelen
Donders Institute for Brain, Cognition and Behaviour,
Centre for Cognitive Neuroimaging,
Radboud University Nijmegen, The Netherlands
J.Schoffelen at donders.ru.nl
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the fieldtrip