[Eeglablist] Data change when updating eeglab from version 10 to 12

[Nicolas Rochet]

Dear Makoto and Arno,
To sum up: i'm using study analysis using *channels* (with GUI) to 
compare two conditions. After further testings, i have similar issues 
with EEGLAB version 12 and 11.05.5.4b : the stats maps (for condition 
comparaison in ERSP / ITC analysis) are changing each time i replot 
whatever stats option i use. Also, while ERP's topographics map are not 
changing, the significant channels (when comparing the two conditions) 
are changing each time i replot.
Strangely, those issues only happens with EEGLAB statistic's option, 
indeed when i choose Fieldtrip stat's option, i don't have this problem: 
the stats map remains the same after each replotting.

cordially,
Nicolas

Le 30/04/2013 17:00, Makoto Miyakoshi a écrit :
> Dear Nicolas and Arno,
>
> > some of these data, the stats are changing, whatever stats option i 
> used (parametric, permutations, with or without holms correction and 
> bonferoni correction).
>
> Permutation results may change because this approach is based on 
> random permutation. However parametric test result should not. Could 
> you check it again?
>
> > ERP's topographic map's ( the significant channels are not the same 
> each time i replot).
>
> Significant channels? You mean you are running STUDY analysis using 
> channels? If that's the case I'm not experienced with it.
>
> However, changing topographic maps is familiar with me. However, I 
> want to know exactly what you are doing (using ICs or channels)
>
> Makoto
>
> 2013/4/26 Nicolas Rochet <nicolas.rochet at univ-provence.fr 
> <mailto:nicolas.rochet at univ-provence.fr>>
>
>     Hi Makoto,
>     Firstly, I recomputed ERP, ERSP and ITC after updating to version
>     12. I realised that (when using the study's GUI with version 12)
>     each time i plot some of these data, the stats are changing,
>     whatever stats option i used (parametric, permutations, with or
>     without holms correction and bonferoni correction).
>     For example. when i try to compare ERSP maps in two different
>     condition: each time i replot it, the corresponding stat map is
>     changing while the ERSP map is the same. I had the same problem
>     with ITC maps or for ERP's topographic map's ( the significant
>     channels are not the same each time i replot).
>
>     Do you have any idea ? Nobody seems to have reported similar
>     issues ....
>
>     Nicolas
>
>     Le 18/04/2013 03:26, Makoto Miyakoshi a écrit :
>>     Dear Nicolas,
>>
>>     I'd be interested in learning how much the difference was. Would
>>     you mind explaining it to us?
>>
>>     Makoto
>>
>>
>>     2013/4/15 Nicolas Rochet <nicolas.rochet at univ-provence.fr
>>     <mailto:nicolas.rochet at univ-provence.fr>>
>>
>>         Dear EEGLAB community,
>>         I was previously using eeglab version 10.2.2.4b. After
>>         updating EEGLAB
>>         to  version 12.0.2.0b (with SVN) the SAME data (ie  ERP, ERSP
>>         and ITC
>>         grand average) processed with the study protocol are
>>         different with the
>>         two version
>>         Does anybody encountered similar issues ?
>>
>>         Thanks,
>>         Nicolas
>>
>>         --
>>         Nicolas Rochet, PhD Student
>>         Laboratoire de Neurosciences Cognitives, UMR 7291
>>
>>         Université de Provence / CNRS
>>         Pôle 3C - Case C
>>         3 place Victor Hugo
>>         13331 Marseille Cedex 03
>>         France
>>
>>         tel : (+33) 04 13 55 09 00
>>         <tel:%28%2B33%29%2004%2013%2055%2009%2000>
>>
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>>
>>
>>
>>     -- 
>>     Makoto Miyakoshi
>>     Swartz Center for Computational Neuroscience
>>     Institute for Neural Computation, University of California San Diego
>
>
>     -- 
>     Nicolas Rochet, PhD Student
>     Laboratoire de Neurosciences Cognitives, UMR 7291
>
>     Université de Provence / CNRS
>     Pôle 3C - Case C
>     3 place Victor Hugo
>     13331 Marseille Cedex 03
>     France
>
>     tel :(+33) 04 13 55 09 00  <tel:%28%2B33%29%2004%2013%2055%2009%2000>
>
>
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>     Eeglablist page: http://sccn.ucsd.edu/eeglab/eeglabmail.html
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>
>
>
>
> -- 
> Makoto Miyakoshi
> Swartz Center for Computational Neuroscience
> Institute for Neural Computation, University of California San Diego


-- 
Nicolas Rochet, PhD Student
Laboratoire de Neurosciences Cognitives, UMR 7291

Université de Provence / CNRS
Pôle 3C - Case C
3 place Victor Hugo
13331 Marseille Cedex 03
France

tel : (+33) 04 13 55 09 00

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