[Eeglablist] Artifact rejection on multiple datasets

[James Desjardins]

Hi HanGue,

My Batch plugin that is linked to the EEGLab site should be able to help with this.

If you load a file, perform your operations, then save a new file, the Batch plugin facilitates saving a History Template Batching file (a text file that contains the EEG.history string, with some keywords for file name replacement). Once that you have this template file you can use the Batch menue to Run a History Template Batch. This will call up a GUI that will query you to select a history template file, then select a series of data files. When you press OK it will perform the operations from the history file on each of the selected data files sequentially.

The history template file often needs editing once that it is saved in order to work properly, but I would be happy to help you with that if you run in to any road blocks.



James Desjardins, MA
Electrophysiology Technologist
Cognitive and Affective Neuroscience Lab, Psychology Department
Jack and Nora Walker Centre for Lifespan Development Research
Brock University
500 Glenridge Ave.
St. Catharines, ON, Canada L2S 3A1
905-688-5550 x4676
--
"'Cause you never can tell What goes on down below!
"This pool might be bigger Than you or I know!"

McElligot's Pool
Dr.Seuss 1947
________________________________
From: eeglablist-bounces at sccn.ucsd.edu [eeglablist-bounces at sccn.ucsd.edu] on behalf of Makoto Miyakoshi [mmiyakoshi at ucsd.edu]
Sent: March-19-13 1:33 PM
To: HanGue Jo
Cc: eeglablist at sccn.ucsd.edu
Subject: Re: [Eeglablist] Artifact rejection on multiple datasets

Dear HanGue,

Currently no. You should perform it for each subject.

Actually that was the motive for me to start writing a code in Matlab: automatize the boring and time-consuming preprocess steps (and it eliminates human error too). For that you need two simple techniques.
1. use 'eegh' to obtain the code you ran from GUI
2. use 'for...end' loop. I give you an example below. Also 'help' literally helps.

cd('yourDataFolder')
allSetFiles = dir('*.set');
for n = 1:length(allSetFiles)
      loadFileName = allSetFiles(n).name;
      dataName = loadFileName(1:end-4);
      EEG = pop_loadset('filename', loadFileName, 'filepath', pwd);

      ..... (do your processes here)

      pop_saveset(EEG, 'filename', loadFileName, 'filepath', pwd)
end

Good luck.

Makoto

2013/3/17 HanGue Jo <johangue at gmail.com<mailto:johangue at gmail.com>>
Hi all,

Is there any method to use "Tools -> Reject data epochs" on multiple datasets or a study, in one step on multiple datasets ?

Best,
HanGue.

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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
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