[Eeglablist] gathering single trial data with std_readersp

[Makoto Miyakoshi]

Dear Max,

I spend a lot of time to figure this out, so I know what you mean.
I found it all by guessing, but later Arno told me the following wiki page.

http://sccn.ucsd.edu/wiki/Chapter_07:_EEGLAB_Study_Data_Structures#Understanding_the_.sets.2C_.comps.2C_.setinds.2C_.allinds_substructures_for_STUDY_clusters

I wish I knew this page before I had spend so long time to figure it
out myself...

Makoto

2012/8/3 Maximilien Chaumon <maximilien.chaumon at gmail.com>:
> Hello,
>
> I'm trying to use single trial data in a certain TimeFrequency window of a
> component cluster to sort trials.
>
> I need to extract for each subject of my study the level of activity in a
> given TF window for a specific cluster of components.
> I run:
> [STUDY, erspdata, times, freqs, erspbase] = std_readersp(STUDY, ALLEEG,
> 'clusters', 2, 'singletrials','on','subject','1');
>
> and that gives me erspdata{1} of dimensions [timepoints, frequencies,
> trials], but with manymany trials.
> I figured out that these trials were for all my subjects and components of
> that cluster by looking into STUDY.cluster(2). I understand that
> STUDY.cluster(2).erspsubjinds{1} in there would allow me extracting the
> signle trials, but I don't know how to pick the right column of
> erspsubjinds. I guess I have to use a combination of .sets, .setinds or
> .allinds, but I can't find the right combo... Can I find help about this
> anywhere? or am I digging too deep?
>
> Many thanks,
> Max
>
>
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-- 
Makoto Miyakoshi
JSPS Postdoctral Fellow for Research Abroad
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego