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<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">Dear all:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">Thanks every one for all the suggestions. Here I address your questions; also post my questions related to your suggestions.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">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.<span style="mso-spacerun:
yes">
</span>I could not able to import these mat files in MATLAB.<span style="mso-spacerun: yes">
</span><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">Simon: I will also try your suggestion. How would I check if it has exported the right set of electrode layout?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">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.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">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?
<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">I am going to try out the following:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">Install EP Toolbox and check if it helps.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">Install Biosig4matlab tool and check if it helps.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">I will keep you posted on the status.<o:p></o:p></span></p>
<!--EndFragment-->
<p></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><br>
</span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">Thanks, again.</span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><br>
</span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">Best regards,</span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><br>
</span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin">RB</span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><br>
</span></p>
<p class="MsoNormal"><span style="font-family:Calibri;mso-ascii-theme-font:major-latin;
mso-hansi-theme-font:major-latin"><br>
</span></p>
<!--EndFragment-->
<div style="font-family:Tahoma; font-size:13px">
<div style="font-family:Tahoma; font-size:13px">
<div style="font-family:Tahoma; font-size:13px"><font face="Calibri"><font class="Apple-style-span" color="#333399"><font class="Apple-style-span" size="3"><strong>R. B. Govindan, PhD</strong></font> </font>
</font>
<div><font class="Apple-style-span" color="#333399" size="3" face="Calibri"><em>Staff Scientist III</em></font></div>
<div><font class="Apple-style-span" color="#333399" size="3" face="Calibri">Director of Advanced Physiologic Signals Processing Lab</font></div>
<div><font color="#333399" size="3" face="Calibri">Fetal Medicine Institute</font></div>
<div><font class="Apple-style-span" color="#333399" size="3" face="Calibri">Division of Fetal and Transitional Medicine</font></div>
<div><font class="Apple-style-span" color="#333399" size="3" face="Calibri">Children's National Health System</font></div>
<div><font class="Apple-style-span" color="#333399" size="3" face="Calibri">111 Michigan Ave, NW, M3118C</font></div>
<div><font class="Apple-style-span" color="#333399" size="3" face="Calibri">Washington, DC</font></div>
<div><font color="#333399" size="3" face="Calibri">202-476-5309</font></div>
<div><font color="#333399" size="3" face="Calibri"><em>We stand for children.</em></font></div>
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<div style="font-family: Times New Roman; color: #000000; font-size: 16px">
<hr tabindex="-1">
<div id="divRpF600057" style="direction: ltr; "><font face="Tahoma" size="2" color="#000000"><b>From:</b> Ramón Martinez [nucleuscub@gmail.com]<br>
<b>Sent:</b> Thursday, September 11, 2014 3:28 PM<br>
<b>To:</b> Govindan, Rathinaswamy; EEGLAB List<br>
<b>Subject:</b> Re: [Eeglablist] load EGI files<br>
</font><br>
</div>
<div></div>
<div>
<div dir="ltr">
<div>Hi Govindan, </div>
<div>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)</div>
<div>You'll find the Biosig plugin in the EEGLAB extension manger:</div>
<div><br>
</div>
<div> File -> Manage EEGLAB extesions -> Data import extensions</div>
<div><br>
</div>
<div>After checking out the plugin, you can try pop_biosig.m, or from the GUI</div>
<div><br>
</div>
<div>File -> Using the Biosig interface</div>
<div><br>
</div>
<div>2- Other memory issues can arise from the PC-MATLAB side. Check this link to have an idea.</div>
<div><a href="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=" target="_blank">http://www.mathworks.com/matlabcentral/answers/91711-what-is-the-maximum-matrix-size-for-each-platform</a></div>
<div><br>
</div>
<div>Hope this helps,</div>
<div> Ramon</div>
</div>
<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Sep 11, 2014 at 11:44 AM, Govindan, Rathinaswamy
<span dir="ltr"><<a href="mailto:rgovinda@childrensnational.org" target="_blank">rgovinda@childrensnational.org</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex; border-left:1px #ccc solid; padding-left:1ex">
<div>
<div style="direction:ltr; font-family:Calibri; color:#333399; font-size:12pt">Dear List:
<div>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?</div>
<div><br>
</div>
<div>Thank you very much in anticipation.</div>
<div><br>
</div>
<div>Best regards,</div>
<div><br>
</div>
<div>RB Govindan<br>
<div><br>
<div style="font-family:Tahoma; font-size:13px">
<div style="font-family:Tahoma; font-size:13px">
<div style="font-family:Tahoma; font-size:13px"></div>
</div>
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<div><span style="color:rgb(136,136,136)">_____________________________________________________</span><br>
</div>
<div><span style="color:rgb(136,136,136)">Ramon Martinez-Cancino</span></div>
<span style="color:rgb(136,136,136)">Swartz Center for Computational Neuroscience</span><br style="color:rgb(136,136,136)">
<span style="color:rgb(136,136,136)">Institute for Neural Computation, University of California San Diego</span><br>
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