[Eeglablist] .set to EGI.raw format

Mon Jun 27 05:05:52 PDT 2011

Dear all,
I have read the messages about saving back files .set (after for  
example ICA on eeglab) in formats readable by Net Station.
I have imported a .raw continous eeg recorded with net station,  
segmented with EEGLAB epoching tool in 300 epochs (3 conditions), run  
ICA, removed artifactual components and saved as ICA_pruned.set file.  
So far so good.
Then, I have opened the .set with EP toolkit and simply saved the file  
as both .egis and binary file. Net station is now able to open the  
epoched and pruned .egis file but there is not the event-list (it only  
distinguishes cell 1 and cell2), therefore I'm not able to run  
additional analyses like averaging.

How can I save in .raw format?

Is there any way to export or save the .egis file with the event list? 
Or simply to import an event-list on a continuous or segmented .raw  
file in Net station?

Maybe is better to segment before with net station and to run ICA on  
already segmented files instead of epoching with eeglab?

I realized that ICA is a beautiful tool for rejecting artifacts (i.e.,  
eye blink, 50 Hz noise, etc), but it is not very simple to re-import  
files in net station.

Could anyone help me please?

Many thanks

Giovanni Mento, PhD
Department od General Psychology
University of Padua
Via Venezia, 8.
35131, Padova (PD)
tel. +39 (0)49 827 6149
fax. +39 (0)49 827 6600

Il giorno 07/mag/11, alle ore 03:19, Joseph Dien ha scritto:

> There have been some further developments on this front.  EGI has  
> been developing a new file format and been working with other  
> software developers to get it supported.  The problem with the  
> NetStation native format is that it utilized some third-party  
> software, which kept them from being able to have it be directly  
> supported by others.  This new MFF format has now been added to  
> FieldTrip's fileio module by Ingrid Nieuwenhuis (who I am cc'ing on  
> this).  FieldTrip's Fileio module is used by other open source  
> Matlab packages like EEGlab, SPM, and my own EP Toolkit to support  
> other file formats so it should take very little effort to make use  
> of it.  I haven't had a chance to try it out myself yet but it  
> sounds like it is ready to use.  I think it is necessary to have the  
> new 4.5 release of NetStation to try it out though.  Perhaps Ingrid  
> can give us more information.
>
> Cheers!
>
> Joe
>
>
>
> On May 4, 2011, at 8:32 PM, Tarik S Bel-Bahar wrote:
>
>> Hi Stephanie,
>>
>> Another user had a similar question recently. here is the response  
>> from me further below. Let me know if you got this email.
>> Please do let me know via email if you find a solution that works  
>> for you.
>> Please also let the eeglab list know.
>> Also don't forget solutions like ERPlab which allow you to forget  
>> about NS.
>>
>>
>>
>> Greetings,
>>
>> If you look over the most recent postings on this topic (see  
>> below), you will note Dr. Dominguez's (l.garcia.d at gmail.com) note  
>> that he has developed a working path (using Joseph Dien's EP  
>> toolkit, search for it on Google) that works pretty well. Thus far,  
>> EEGLAB itself has not been extended for writing data that is  
>> readable back into Netstation. EGI support ( "Support Team" <supportteam at egi.com 
>> > ) also has a matlab file that can help you write RAW files from  
>> matlab that are readable into Netstation. This file from EGI (as  
>> well as looking at the EP Toolkit code-which exports files readable  
>> by both EGI and EEGLAB), and a better understanding of the EGI file  
>> structure (by looking at their File Manual) may help you develop  
>> your own plugin. As there is a general interest in streamlining  
>> this process (see EEGLAB list archive and below), please let the  
>> EEGLAB list know if you make any further progress in this area, and  
>> perhaps we can add an EGI file exporter plugin to EEGLAB in the  
>> future. One related area that could also use some examination is  
>> maintaining the consistency of events codes and rich event sub- 
>> fields between Netstation and EGI, although this issue is generally  
>> resolved by saving out time stamped events from or into Netstation.  
>> If there are other users out there who have other working solutions  
>> in this general "Netstation to EEGLAB and back" area, please also  
>> let the list know, and perhaps we can collate all the current  
>> solutions onto a singular webpage for future reference.  
>> Respectfully. tb
>>
>>
>>
>>
>> [Eeglablist] from Netstation to EEGLab and back
>>
>> Michiel Spape Michiel.Spape at nottingham.ac.uk
>> Mon Mar 14 02:54:35 PDT 2011
>> Previous message: [Eeglablist] from Netstation to EEGLab and back
>> Next message: [Eeglablist] from Netstation to EEGLab and back
>> Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
>> Hi,
>> Sorry - are you talking about reading in Netstation 'session files'  
>> rather than exported "raw" Netstation files? In that case, I, and  
>> probably most people using Netstation and EEGLab would be most  
>> interested. Any chance this could be added to the standard import/ 
>> export plugins of EEGLab?
>>
>> Best,
>> Michiel
>>
>> Michiel Spapé
>> Research Fellow
>> Perception & Action group
>> University of Nottingham
>> School of Psychology
>> www.cognitology.eu
>>
>>
>>
>> -----Original Message-----
>> From: eeglablist-bounces at sccn.ucsd.edu [mailto:eeglablist- 
>> bounces at sccn.ucsd.edu] On Behalf Of Luis Garcia Dominguez
>>
>> Sent: 09 March 2011 13:49
>> To: eeglablist at sccn.ucsd.edu
>> Subject: [Eeglablist] from Netstation to EEGLab and back
>>
>> In case some of you have problems exporting and importing segmented
>>
>> files between Netstation and eeglab (ERP Toolkit) I can help. I have
>> been able to export files from NS to eeglab (with help from EGI), do
>> some transformation to the data and, save the files back in NS format
>> keeping all the necessary events. I know some of you have been
>>
>> interested on this issue in the past.
>> Many thanks to Tarik Bel Bahar, Joseph Dien, and Gaynor Foster (EGI)
>> for helping me.
>>
>> -- 
>> Luis García Domínguez
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>> Previous message: [Eeglablist] from Netstation to EEGLab and back
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>>
>>
>>
>> On Tue, May 3, 2011 at 12:20 AM, Stephanie C  
>> <s.connell at psy.gla.ac.uk> wrote:
>> Hi,
>>
>> I am looking for guidance on how to export the data and associated  
>> metaddata from an EEGLAB .set file format back to a EGI.raw file  
>> format?
>>
>> Any help would be greatly appreciated!
>>
>> Cheers,
>> Stephanie
>>
>>
>> Stephanie Connell
>> Ph.D Student
>> School of Psychology
>> University of Glasgow
>>
>>
>>
>>
>>
>>
>>
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