[Eeglablist] Problem with std_makedesign() function to create STUDY

[Tarik S Bel-Bahar]

Hello Freya, not sure if it will help but you could try the following.
Cheers!
*give the ID and condition info to each file before making the study (or do
it later at the study GUI if you know the ID and condition of each file so
you can just type it in there)
*put all your files on one folder, then load all the files into eeglab one
at a time, and then create study from the loaded files


This might be a bug, so please pass it on to eeglab bugzilla
There may be some lower limit to the number of subjects, but I don't think
so, STUDY should accept even one subject and one condition.
*Last, consider also plotting an ERSP once you've sorted things out :)


On Wed, Jun 8, 2016 at 5:42 AM, Freya De Keyser <Freya.DeKeyser at ugent.be>
wrote:

> Hi all,
>
> First some information on my dataset: I have an auditory oddball task with
> high tones (= frequent tones) and low tones ( = odd tones). There are two
> task versions: the subject either has to listen to the tones and actively
> report them (= active condition) or the subject just has to listen to the
> tones ( = passive condition). The tasks were done either before (=
> pre-recording) of after (= post-rcording) a hypnotic induction. Combination
> of these variables gives four conditions: active pre, active post, passive
> pre, and passive post. I have two subjects and both of them passed all of
> four conditions.
> My main goal is to plot ERPs that show the difference in P300 components
> between the conditions.
>
> I've finished preprocessing and I created epochs of the same length for
> each of the conditions. I have created separate datasets for high and low
> tones for each of the conditions (per participant). Now, I want to creaty a
> STUDY in order to combine the conditions of the two participants so that I
> can plot the ERPs. When I go to "Create study > Browse for datasets", I
> select the datasets in the appropriate folders. When I then want to create
> the study, I get the following error message: "There is probably an issue
> with the folder names - move the files and ty again. Error occured in
> function std_makedesign() at line 347)".
>
> Is there anyone of you who has encountered the same problem and who knows
> how I can solve this?
>
> All the best,
> Freya
>
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