<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>All due respect to Steve (who runs a great course), I'd need some persuading to follow this advice. The entire reason we baseline correct is that without it we can't actually be sure what the true zero is due to slow drifts in the data. Much of the relative values that are being removed we want to remove because they reflect these slow but, over time, substantial drifts. In my own data, I've found that I get better results (in terms of clean removal of blink artifacts) with ICA artifact correction of epoched data if it is baseline corrected first because it helps minimize the effects of these drifts. I haven't subjected this question to systematic evaluation however. I imagine it would also depend on the characteristics of the recording equipment and filter settings and so forth.</div><div><br></div><div>Joe</div><br><div><div>On Sep 12, 2012, at 7:02 AM, "Gunseli, E." <<a href="mailto:e.gunseli@vu.nl">e.gunseli@vu.nl</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="NL" link="blue" vlink="purple" style="font-family: Courier; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div class="WordSection1" style="page: WordSection1; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Dear all,<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I have a question about the steps that should be taken before running ICA.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">If we are going to epoch the data (step 5), why are we manually rejecting the extra noisy parts earlier (step 2).<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Since these extra noisy portions are mostly at beginning and end of trial blocks, they will be gone away during epoching anyway.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">So, epoching the critical time window can save a fair amount of time that else we would have spent on manual inspection.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">At this point I have another question; I have read that, it is better to run ICA on continuous, non-epoched data.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">One of the problems of running ICA on epoched data is that, “the baseline correction changes relative values across channels” (S. Luck, ERP Boot Camp Lecture Slides). But probably that is not the only reason to run ICA on continuous data because this problem can easily be overcome via removing the baseline after running ICAs.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">So I guess there should be other problems related to running ICAs on epoched data.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Can anyone provide information about these potential problems?<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Kind regards,<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Eren<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-US" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></div><div style="border-style: solid none none; border-top-width: 1pt; border-top-color: rgb(181, 196, 223); padding: 3pt 0cm 0cm; "><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span lang="EN-US" style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span lang="EN-US" style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span><a href="mailto:eeglablist-bounces@sccn.ucsd.edu">eeglablist-bounces@sccn.ucsd.edu</a> [mailto:eeglablist-<a href="mailto:bounces@sccn.ucsd.edu">bounces@sccn.ucsd.edu</a>]<span class="Apple-converted-space"> </span><b>On Behalf Of<span class="Apple-converted-space"> </span></b>Makoto Miyakoshi<br><b>Sent:</b><span class="Apple-converted-space"> </span>Friday, September 07, 2012 00:58<br><b>To:</b><span class="Apple-converted-space"> </span>IMALI THANUJA HETTIARACHCHI<br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [Eeglablist] On ICA based artifact rejection<o:p></o:p></span></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">Dear Imali,<o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">Pipeline check?<o:p></o:p></div></div><div><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">1.</span><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Re-reference continues data (The data is collected on a bipolar montage so re-reference to the common average)</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">2.</span><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Reject unsuitable portions of data by visual inspection</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">3.</span><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">High pass filter the data(cut-off @ 0.5Hz to preserve ERP components), low pass filter the data(cut-off 30Hz)</span><o:p></o:p></p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">I would say filtering should be done before data rejection, since the rejection creates boundaries which can confuse filtering.<o:p></o:p></div><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">4.</span><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Extract epochs (without baseline removal???)</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; ">According to Groppe et al., whole-epoch baseline is better than usual short pre-stimulus baseline. Scott says no baseline correction is even better. So without baseline removal may be better.<o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">5.</span><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Run ICA</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">6.</span><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><b><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">A. Tools>Remove components </span></i></b><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">to subtract ICA components or should I do</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">B.</span></i></b><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> <b><i>Tools> Reject data Epochs> reject data(all methods),(</i></b> but if I do this how can that be an artifact rejection<b><i> </i></b>by ICA)<b><i> </i></b>or</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">C.Tools>Reject data epochs>export marks to ICA reject </span></i></b><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">and then<b><i> Tools>Reject data epochs>Reject marked epochs</i></b>?</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; ">6A is not necessary if you are going to use STUDY (it will create clusters for artifacts) so don't bother to do this. 6B is recommended. Theoretically, 2nd ICA after 6B improves the quality of decomposition, but in my experience it rarely changes the result unless drastic rejection, either quantitatively or qualitatively, is performed.<o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Could you please make it clear to me how I should reject epochs using ICA after the first decomposition.</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; ">Just take a look at independent component activities as you check your channel EEG data. It is a good idea to use 'all methods' for obtaining statistical suggestions (but don't take them blindly). You may want to discard 5-10 % of data here, depending your data quality. Improbability test is good but hopefully it is done after thresholding on channel EEG (therefore I recommend mild amplitude threshold on channel EEG before ICA, and then improbability test on IC activities).<o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">7.</span></i></b><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Then <b>Tools>Remove Baseline</b> and <b><i> Plot>Channel ERP’s </i></b>steps<b><i> </i></b>will give me the ERP for a particular stimulation?</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; ">Yes.<o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">8.</span></i></b><span style="font-size: 7pt; color: rgb(31, 73, 125); "> </span><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Now to do dipole localisation Run ICA on the pruned data set and run DIPFIT, here won’t I get the same remaining ICA components from the first epoched data set?</span><o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; ">Again, whether or not running the 2nd ICA depends on how much you care about data quality. DIPFIT does not care your IC activities. It only cares about scalp maps ICA generated. Therefore, epoch rejection does not affect DIPFIT performance. <o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; ">You should locate two dipoles manually when you find bilateral topographies using an interactive 'fine fit' GUI of DIPFIT. <o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; ">Makoto<o:p></o:p></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></p><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">2012/9/6 Stephen Politzer-Ahles <<a href="mailto:politzerahless@gmail.com" target="_blank" style="color: purple; text-decoration: underline; ">politzerahless@gmail.com</a>><o:p></o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">Hi Imali,<br><br>I don't have experience with using "reject based on ICA", but the first option you pointed out (6A--using Tools>Reject components to remove the IC(s) with artifact) works. What I have typically done is first use Tools>Reject components to do that, and then use Tools>Reject epochs (by inspection) on the cleaned data to go through and reject any epochs that contain other artifact. (In my case, I use ICA to remove the blink artifacts, but then must reject by inspection to remove artifact that's left over such as skin potentials or EMG).<br><br>Maybe some others on the list can give you some more information about the other methods, which I am not familiar with.<br><br>Best,<br>Steve<o:p></o:p></div><div><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></p><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">On Wed, Sep 5, 2012 at 10:28 PM, IMALI THANUJA HETTIARACHCHI <<a href="mailto:ith@deakin.edu.au" target="_blank" style="color: purple; text-decoration: underline; ">ith@deakin.edu.au</a>> wrote:<o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Thank you very much Makoto, really appreciate your guidance and help.</span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">I have further some questions regarding ICA artifact rejection and localisation.</span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(55, 96, 146); ">In EEGLAb we use ICA for both artifact rejection and source localisation? As I want to use EEGLAB for my dipole localisation, I am a bit confused with the steps that I should follow, I read the details on artifact rejection given on the wiki and a thread on ‘</span><span lang="EN-AU" style="color: rgb(55, 96, 146); ">Pipeline of processing to optimize ICA for artrifact removal</span><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(55, 96, 146); ">’<span class="Apple-converted-space"> </span></span><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">on the discussion list, but still not clear on the steps. Below I will briefly give the steps which I understood that I should follow, can you please tell me whether my understanding is correct and comment if I have gone wrong somewhere?</span><span lang="EN-AU"><o:p></o:p></span></div><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">1.</span><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Re-reference continues data (The data is collected on a bipolar montage so re-reference to the common average)</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">2.</span><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Reject unsuitable portions of data by visual inspection</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">3.</span><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">High pass filter the data(cut-off @ 0.5Hz to preserve ERP components), low pass filter the data(cut-off 30Hz)</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">4.</span><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Extract epochs (without baseline removal???)</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">5.</span><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Run ICA</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Now I get confused, after the ICA decomposition I will be able to view the ICA components with<span class="Apple-converted-space"> </span><b><i>Tools> Reject data using ICA>Reject components by map</i></b></span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">With this window I can detect the components for eye artifacts, muscle artifacts etc. Then is it,</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">6.</span><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span><b><i><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">A. Tools>Remove components<span class="Apple-converted-space"> </span></span></i></b><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">to subtract ICA components or should I do</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">B.</span></i></b><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "><span class="Apple-converted-space"> </span><b><i>Tools> Reject data Epochs> reject data(all methods),(</i></b><span class="Apple-converted-space"> </span>but if I do this how can that be an artifact rejection<b><i><span class="Apple-converted-space"> </span></i></b>by ICA)<b><i><span class="Apple-converted-space"> </span> </i></b>or</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">C.Tools>Reject data epochs>export marks to ICA reject<span class="Apple-converted-space"> </span></span></i></b><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">and then<b><i><span class="Apple-converted-space"> </span>Tools>Reject data epochs>Reject marked epochs</i></b>?</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Could you please make it clear to me how I should reject epochs using ICA after the first decomposition.</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">7.</span></i></b><b><i><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span></i></b><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Then<span class="Apple-converted-space"> </span><b>Tools>Remove Baseline</b><span class="Apple-converted-space"> </span>and <b><i> Plot>Channel ERP’s<span class="Apple-converted-space"> </span></i></b>steps<b><i><span class="Apple-converted-space"> </span></i></b>will give me the ERP for a particular stimulation?</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">8.</span></i></b><b><i><span lang="EN-AU" style="font-size: 7pt; color: rgb(31, 73, 125); "> <span class="Apple-converted-space"> </span></span></i></b><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Now to do dipole localisation Run ICA on the pruned data set and run DIPFIT, here won’t I get the same remaining ICA components from the first epoched data set?</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></i></b><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Many thanks,</span><span lang="EN-AU"><o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 0cm; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); ">Imali</span><span lang="EN-AU"><o:p></o:p></span></p><div style="margin: 0cm 0cm 0.0001pt 36pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><i><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span></i></b><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125); "> </span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span lang="EN-US" style="font-size: 10pt; font-family: Tahoma, sans-serif; ">From:</span></b><span lang="EN-US" style="font-size: 10pt; font-family: Tahoma, sans-serif; "><span class="Apple-converted-space"> </span>Makoto Miyakoshi [mailto:<a href="mailto:mmiyakoshi@ucsd.edu" target="_blank" style="color: purple; text-decoration: underline; ">mmiyakoshi@ucsd.edu</a>]<span class="Apple-converted-space"> </span><br><b>Sent:</b><span class="Apple-converted-space"> </span>Wednesday, 5 September 2012 7:02 AM<br><b>To:</b><span class="Apple-converted-space"> </span>IMALI THANUJA HETTIARACHCHI<br><b>Cc:</b><span class="Apple-converted-space"> </span><a href="mailto:eeglablist@sccn.ucsd.edu" target="_blank" style="color: purple; text-decoration: underline; ">eeglablist@sccn.ucsd.edu</a><br><b>Subject:</b><span class="Apple-converted-space"> </span>Re: [Eeglablist] ERP localisation with BESA and DIPFIT with ICA</span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Dear Imali,<o:p></o:p></span></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">ICA returns 'one map/IC per a component' which does not change across recording time.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">A static location corresponds to a brain region.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">If you think of averaged ERP topo, for example, scalp topography changes from timepoint to timepoint. Independent components are not like that.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">> 2.</span><span lang="EN-AU" style="font-size: 7pt; "> </span><span lang="EN-AU">Do independent components for cognitive activity in brain represents ERP components(P1,N1, etc)?<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Not necessarily. One IC can explain 3 ERP peaks (P1/N1/P2 as one burst).<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">> 3.</span><span lang="EN-AU" style="font-size: 7pt; "> </span><span lang="EN-AU">Since I have minimal(correct to say no..) experience in ERP, how do I know my dipole localisations with ICA are correct? For instance, in a visual task I would expect to see one or more dipoles in visual area, but when changing the conditions such as colour or shape where else do I get dipoles? Or simply, how do I have a hypothesis for the ICA component related dipoles?<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">How do I know my dipole location is correct? <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">When you calculate dipole fit, you'll have residual variance. If this value is small, that means your dipole location is good.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">For symmetrical two dipoles, when the topography show bilateral pattern you should place two dipoles (This may require some prior knowledge about somatosensory mu, alpha, and EOG). <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">> 4.</span><span lang="EN-AU" style="font-size: 7pt; "> </span><span lang="EN-AU">With very limited neuroscience knowledge how do I get around with localisations to extract a task related neuronal activity?<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">If you don't have time to read Scott Makeig, Arnaud Delorme, or Julie Onton etc, then<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">1. run ICA<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">2. run dipfit (autofit)<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Remember, 1 dipole for 1 (or bilateral 2) IC(s). They are always paired. ICA generates time-invariant scalp topo, and dipfit calculates the associated dipole(s) that is also time-invariant (ICs don't change their locations throughout your data just as your brain regions don't).<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">If you have further questions please ask further.<o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Makoto<o:p></o:p></span></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">2012/8/31 IMALI THANUJA HETTIARACHCHI <<a href="mailto:ith@deakin.edu.au" target="_blank" style="color: purple; text-decoration: underline; ">ith@deakin.edu.au</a>><o:p></o:p></span></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Dear EEGLAB list,<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">While reading through papers for my experiments, I just became curious (with some confusion) on the dipole fitting approach of the ERP data(for a specific task).<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">According to my understanding the ERP wave consists of several components such as P1,N1, P2 , N2 and P3 mainly (stimulus dependent). As I am intending to use ICA based source localization(using DIPFIT plugin) I wanted to find out on what degree the two dipole fitting approaches are differing in BESA and DIPFIT with ICA.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><p style="margin-right: 0cm; margin-left: 20.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">1.</span><span lang="EN-AU" style="font-size: 7pt; "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU">Am I correct if I say that with BESA, dipoles can be fitted to individual components of the ERP waveform?<o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 20.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">2.</span><span lang="EN-AU" style="font-size: 7pt; "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU">Do independent components for cognitive activity in brain represents ERP components(P1,N1, etc)?<o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 20.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">3.</span><span lang="EN-AU" style="font-size: 7pt; "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU">Since I have minimal(correct to say no..) experience in ERP, how do I know my dipole localisations with ICA are correct? For instance, in a visual task I would expect to see one or more dipoles in visual area, but when changing the conditions such as colour or shape where else do I get dipoles? Or simply, how do I have a hypothesis for the ICA component related dipoles?<o:p></o:p></span></p><p style="margin-right: 0cm; margin-left: 20.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">4.</span><span lang="EN-AU" style="font-size: 7pt; "> <span class="Apple-converted-space"> </span></span><span lang="EN-AU">With very limited neuroscience knowledge how do I get around with localisations to extract a task related neuronal activity?<o:p></o:p></span></p><div style="margin: 0cm 0cm 0.0001pt 2.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt 2.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Sorry about throwing a lot of questions at the list, but I have always found EEGLAB list as very friendly and a very expertized group. So, your advice will be highly appreciated to move forward in my work.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt 2.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt 2.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Best regards<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt 2.25pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Imali<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><b><span lang="EN-AU">Imali Thanuja Hettiarachchi</span></b><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">PhD Candidate<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Centre for Intelligent Systems research<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU">Deakin University,<span class="Apple-converted-space"> </span></span><span lang="EN-AU" style="font-size: 10pt; ">Geelong 3217, Australia.</span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 10pt; ">Email:<span class="Apple-converted-space"> </span><a href="mailto:ith@deakin.edu.au" target="_blank" style="color: purple; text-decoration: underline; ">ith@deakin.edu.au</a><br></span><span lang="EN-AU"><a href="http://www.deakin.edu.au/cisr" target="_blank" style="color: purple; text-decoration: underline; ">www.deakin.edu.au/cisr</a><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 9pt; font-family: Helvetica, sans-serif; "><image001.jpg></span><span lang="EN-AU"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="font-size: 10pt; font-family: Tahoma, sans-serif; "> </span><span lang="EN-AU"><o:p></o:p></span></div><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></p><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"> <o:p></o:p></span></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU"><br>_______________________________________________<br>Eeglablist page:<span class="Apple-converted-space"> </span><a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank" style="color: purple; text-decoration: underline; ">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>To unsubscribe, send an empty email to<span class="Apple-converted-space"> </span><a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu" target="_blank" style="color: purple; text-decoration: underline; ">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>For digest mode, send an email with the subject "set digest mime" to<span class="Apple-converted-space"> </span><a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank" style="color: purple; text-decoration: underline; ">eeglablist-request@sccn.ucsd.edu</a><o:p></o:p></span></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="color: rgb(136, 136, 136); "><br><br clear="all"><o:p></o:p></span></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="color: rgb(136, 136, 136); "> <o:p></o:p></span></div></div><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span lang="EN-AU" style="color: rgb(136, 136, 136); ">--<span class="Apple-converted-space"> </span><br>Makoto Miyakoshi<br>JSPS Postdoctral Fellow for Research Abroad<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<o:p></o:p></span></p></div></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><br>_______________________________________________<br>Eeglablist page:<span class="Apple-converted-space"> </span><a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html" target="_blank" style="color: purple; text-decoration: underline; ">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>To unsubscribe, send an empty email to<span class="Apple-converted-space"> </span><a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu" target="_blank" style="color: purple; text-decoration: underline; ">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>For digest mode, send an email with the subject "set digest mime" to<span class="Apple-converted-space"> </span><a href="mailto:eeglablist-request@sccn.ucsd.edu" target="_blank" style="color: purple; text-decoration: underline; ">eeglablist-request@sccn.ucsd.edu</a><o:p></o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><br><br clear="all"><br>--<o:p></o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><span class="hoenzb"><span style="color: rgb(136, 136, 136); ">Stephen Politzer-Ahles</span></span><span style="color: rgb(136, 136, 136); "><br><span class="hoenzb">University of Kansas</span><br><span class="hoenzb">Linguistics Department</span><br><span class="hoenzb"><a href="http://www.linguistics.ku.edu/" target="_blank" style="color: purple; text-decoration: underline; ">http://www.linguistics.ku.edu/</a></span></span><o:p></o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><br><br clear="all"><o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif; "><o:p> </o:p></div></div><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: 'Times New Roman', serif; ">--<span class="Apple-converted-space"> </span><br>Makoto Miyakoshi<br>JSPS Postdoctral Fellow for Research Abroad<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<o:p></o:p></p></div></div>_______________________________________________<br>Eeglablist page: <a href="http://sccn.ucsd.edu/eeglab/eeglabmail.html">http://sccn.ucsd.edu/eeglab/eeglabmail.html</a><br>To unsubscribe, send an empty email to <a href="mailto:eeglablist-unsubscribe@sccn.ucsd.edu">eeglablist-unsubscribe@sccn.ucsd.edu</a><br>For digest mode, send an email with the subject "set digest mime" to <a href="mailto:eeglablist-request@sccn.ucsd.edu">eeglablist-request@sccn.ucsd.edu</a></div></blockquote></div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Courier; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Courier; font-size: medium; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; 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"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Courier; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Courier; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; 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