<div dir="ltr"><div class="gmail_default" style="color:rgb(51,51,153)">Hello Freya, not sure if it will help but you could try the following. Cheers!</div><div class="gmail_default" style="color:rgb(51,51,153)">*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)</div><div class="gmail_default" style="color:rgb(51,51,153)">*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<br></div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div><div class="gmail_default" style="color:rgb(51,51,153)">This might be a bug, so please pass it on to eeglab bugzilla</div><div class="gmail_default" style="color:rgb(51,51,153)">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.</div><div class="gmail_default" style="color:rgb(51,51,153)">*Last, consider also plotting an ERSP once you've sorted things out :)<br></div><div class="gmail_default" style="color:rgb(51,51,153)"><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jun 8, 2016 at 5:42 AM, Freya De Keyser <span dir="ltr"><<a href="mailto:Freya.DeKeyser@ugent.be" target="_blank">Freya.DeKeyser@ugent.be</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><u></u>
<div style="font-family:Arial;font-size:14px">
<p>Hi all, <br>
<br>
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. <br>
My main goal is to plot ERPs that show the difference in P300 components between the conditions. <br>
<br>
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)". <br>
<br>
Is there anyone of you who has encountered the same problem and who knows how I can solve this? <br>
<br>
All the best,<br>
Freya </p>
</div>
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