[Eeglablist] load EGI files

Fri Sep 12 09:40:35 PDT 2014

Okay, then I think the best way is to export as .mff files, and import
these to EEGLAB, and then read the EEG.data, which should contain a matrix
of your data.

2014-09-12 18:34 GMT+02:00 Govindan, Rathinaswamy <
rgovinda at childrensnational.org>:

>  Yes, I am planning to export the files from EGI and not to import the
> files in EEGLAB.
> Thank you very much, Simon.
>
>  Best regards,
>
>  RB
>
>
>    ------------------------------
> *From:* Simon-Shlomo Poil [poil.simonshlomo at gmail.com]
> *Sent:* Friday, September 12, 2014 12:29 PM
> *To:* Govindan, Rathinaswamy
> *Cc:* Ramón Martinez; EEGLAB List
>
> *Subject:* Re: [Eeglablist] load EGI files
>
>   Dear RB Govinda,
>
>  Your problem is to export the files from EGI, right. Not to import the
> files in EEGLAB?
>
>  To check the layout, you need to click "Plot | Plot channel locations"
> and compare the layout with your EEG cap.
>
>  -Simon
>
> --
> Simon-Shlomo Poil, Dr.
>
> Mobile number: +41 (0)76 399 5809
> LinkedIn profile: http://ch.linkedin.com/in/simonshlomopoil/
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__ch.linkedin.com_in_simonshlomopoil_&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=okZJm-KSH7clpY_nvt67okxBtClD7N6S9eCqg2x0Wl8&s=0zUU4b5Zl-GpG3ZFKv29bF6OPuKyZblYZNIbc3j7o30&e=>
>
> The Neurophysiological Biomarker Toolbox (NBT): http://www.nbtwiki.net
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.nbtwiki.net&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=okZJm-KSH7clpY_nvt67okxBtClD7N6S9eCqg2x0Wl8&s=y5CJgAww0e-1ANXbZ7cKGoxnAc9844ll3pJn1uFLrrM&e=>
>
> My latest publications:
> Integrative EEG biomarkers predict progression to Alzheimer's disease at
> the MCI stage: http://l.nbtwiki.net/19jMuy8
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__l.nbtwiki.net_19jMuy8&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=okZJm-KSH7clpY_nvt67okxBtClD7N6S9eCqg2x0Wl8&s=hl_pD6q6-cxlDjyBVUPb1UxgK7JQz4f0sybC_kcgAK0&e=>
>
> The Amsterdam Resting-State Questionnaire reveals multiple phenotypes of
> resting-state cognition: http://l.nbtwiki.net/17yblK7
> <https://urldefense.proofpoint.com/v2/url?u=http-3A__l.nbtwiki.net_17yblK7&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=okZJm-KSH7clpY_nvt67okxBtClD7N6S9eCqg2x0Wl8&s=u8hoWFfUUca7Hvlc8HTIexBe5hFOzfcp-MkB5o00NYY&e=>
>
> 2014-09-12 13:04 GMT+02:00 Govindan, Rathinaswamy <
> rgovinda at childrensnational.org>:
>
>>   Dear all:
>>
>> Thanks every one for all the suggestions. Here I address your questions;
>> also post my questions related to your suggestions.
>>
>>
>>
>> Srini: Our sampling rate is 1KHz. I can down sample the data to 250Hz or
>> even lower however I am worried that it might affect the gamma band
>> activity that we are interested in.
>>
>>
>>
>> Andrew: I am using IMAC to import the data. I am running 32bit MATLAB in
>> it. It has 16GB of RAM. I was suggested by EGI techs to insert event in the
>> file and use segmentation option to segment the data based on the events.
>> After I segmented the data, I used the convert to mat format function that
>> came with EGI software.  I could not able to import these mat files in
>> MATLAB.
>>
>>
>>
>> Simon: I will also try your suggestion. How would I check if it has
>> exported the right set of electrode layout?
>>
>>
>>
>> Iman: Are you running EP Toolbox on Windows PC or on Linux/Unix/MAC. I am
>> trying to understand if I need to install this in a computer running on
>> 64bit processor.
>>
>>
>>
>> Ramon and Alois: Does the biosig4matlab tool have to be installed on a
>> Linux system? Can it work on IMAC in which a 32 bit MATLAB is installed?
>>
>>
>>  I am going to try out the following:
>>
>>
>>
>> Install EP Toolbox and check if it helps.
>>
>>
>>
>> Install Biosig4matlab tool and check if it helps.
>>
>>
>>
>> I will keep you posted on the status.
>>
>>
>>  Thanks, again.
>>
>>
>>  Best regards,
>>
>>
>>  RB
>>
>>
>>
>>   *R. B. Govindan, PhD*
>> *Staff Scientist III*
>> Director of Advanced Physiologic Signals Processing Lab
>> Fetal Medicine Institute
>> Division of Fetal and Transitional Medicine
>> Children's National Health System
>> 111 Michigan Ave, NW, M3118C
>> Washington, DC
>> 202-476-5309
>> *We stand for children.*
>>    ------------------------------
>> *From:* Ramón Martinez [nucleuscub at gmail.com]
>> *Sent:* Thursday, September 11, 2014 3:28 PM
>> *To:* Govindan, Rathinaswamy; EEGLAB List
>> *Subject:* Re: [Eeglablist] load EGI files
>>
>>    Hi Govindan,
>> 1- From the EEGLAB side,  yes, you can import EGI files using
>> pop_readegi.m, but for a big file, should be better to use the Biosig
>> plugin for EEGLAB (you can try both)
>> You'll find the Biosig plugin in the EEGLAB extension manger:
>>
>>   File -> Manage EEGLAB extesions -> Data import extensions
>>
>>  After checking out the plugin,  you can try pop_biosig.m,  or from the
>> GUI
>>
>>  File -> Using the Biosig interface
>>
>>  2- Other memory issues can arise from the PC-MATLAB side. Check this
>> link to have an idea.
>>
>> http://www.mathworks.com/matlabcentral/answers/91711-what-is-the-maximum-matrix-size-for-each-platform
>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__www.mathworks.com_matlabcentral_answers_91711-2Dwhat-2Dis-2Dthe-2Dmaximum-2Dmatrix-2Dsize-2Dfor-2Deach-2Dplatform&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=GsEjw4m_8nx3fkAo7zDVR3Ol0zIb_5r_viVtSqbdjfU&s=CLVXtTG8nc_AkBkZXfMXanIdrUgDQWrFccevCjNUTzA&e=>
>>
>>  Hope this helps,
>>  Ramon
>>
>> On Thu, Sep 11, 2014 at 11:44 AM, Govindan, Rathinaswamy <
>> rgovinda at childrensnational.org> wrote:
>>
>>>  Dear List:
>>> This RB Govindan from Children's Hospital, Washington, DC. We have EEG
>>> recorded from premature infants using HD EEG system. Some of our recordings
>>> last for more than 2 hours. We would like to export the data to MATLAB and
>>> process them in MATLAB. The software that came with the HD EEG system is
>>> not allowing us to convert our huge files (>2GB) into mat format. Would
>>> like to know if there are tools available in EEGLAB or some similar to
>>> export the data to MATLAB environment?
>>>
>>>  Thank you very much in anticipation.
>>>
>>>  Best regards,
>>>
>>>  RB Govindan
>>>
>>>     ------------------------------
>>> Confidentiality Notice: This e-mail message, including any attachments,
>>> is for the sole use of the intended recipient(s) and may contain
>>> confidential and privileged information. Any unauthorized review, use,
>>> disclosure or distribution is prohibited. If you are not the intended
>>> recipient, please contact the sender by reply e-mail and destroy all copies
>>> of the original message.
>>>
>>> _______________________________________________
>>> Eeglablist page: http://sccn.ucsd.edu/eeglab/eeglabmail.html
>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__sccn.ucsd.edu_eeglab_eeglabmail.html&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=GsEjw4m_8nx3fkAo7zDVR3Ol0zIb_5r_viVtSqbdjfU&s=oslQPR1JGkuj3VJgJQy04mHwxgmBGkhyjxhQXD2-VfI&e=>
>>> To unsubscribe, send an empty email to
>>> eeglablist-unsubscribe at sccn.ucsd.edu
>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__mailto-3Aeeglablist-2Dunsubscribe-40sccn.ucsd.edu&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=GsEjw4m_8nx3fkAo7zDVR3Ol0zIb_5r_viVtSqbdjfU&s=FaiSJV1eaOHN0tUPK5OO_3maTc7sroT_4mhT57yM_YA&e=>
>>> For digest mode, send an email with the subject "set digest mime" to
>>> eeglablist-request at sccn.ucsd.edu
>>> <https://urldefense.proofpoint.com/v2/url?u=http-3A__mailto-3Aeeglablist-2Drequest-40sccn.ucsd.edu&d=AAMFaQ&c=Zoipt4Nmcnjorr_6TBHi1A&r=4JR34R10jj9uXt37C2EM4uXHWYJdQA42rymb5F0yfJY&m=GsEjw4m_8nx3fkAo7zDVR3Ol0zIb_5r_viVtSqbdjfU&s=7dzJGBs45UA4n_Vf22HNS-Ipm5lZXos5ZcYUIevu0qY&e=>
>>>
>>
>>
>>
>>  --
>>  _____________________________________________________
>>  Ramon Martinez-Cancino
>> Swartz Center for Computational Neuroscience
>> Institute for Neural Computation, University of California San Diego
>>      ------------------------------
>> Confidentiality Notice: This e-mail message, including any attachments,
>> is for the sole use of the intended recipient(s) and may contain
>> confidential and privileged information. Any unauthorized review, use,
>> disclosure or distribution is prohibited. If you are not the intended
>> recipient, please contact the sender by reply e-mail and destroy all copies
>> of the original message.
>>
>
>     ------------------------------
> Confidentiality Notice: This e-mail message, including any attachments, is
> for the sole use of the intended recipient(s) and may contain confidential
> and privileged information. Any unauthorized review, use, disclosure or
> distribution is prohibited. If you are not the intended recipient, please
> contact the sender by reply e-mail and destroy all copies of the original
> message.
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://sccn.ucsd.edu/pipermail/eeglablist/attachments/20140912/e307306d/attachment.html>