<div dir="ltr">Dear Booer,<div><br></div><div>As I said before, ADJUST is not magic and there are several factors that may contribute to missing blink artifacts.</div><div><br></div><div>Could you please let me know more about your data (number of electrodes, number of trials, time interval) and send me a screenshot of ADJUST results (the ICA components classified or not as artifactual)?<br>
</div><div><br></div><div>Thanks,</div><div><br></div><div>Marco</div></div><div class="gmail_extra"><br><br><div class="gmail_quote">On 6 August 2014 03:59, bjj2909102003 <span dir="ltr"><<a href="mailto:bjj2909102003@163.com" target="_blank">bjj2909102003@163.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div>
<div><span></span>Thank you for replying.</div>
<div>Actually, the problem is ADJUST. I find ADJUST sometimes doesn't detect eye blink. So <span style="font-size:10.5pt;line-height:1.5;background-color:window">I must take a look into blink component just to be sure.</span></div>
<div><span style="font-size:10.5pt;line-height:1.5;background-color:window"><br></span></div><div><span style="font-size:10.5pt;line-height:1.5;background-color:window">Another problem is that only once ICA is enough for reject eye blink and other artifact by ADJUST? In ADJUST manual, it said ADJUST is not suitable for rerun(second) ICA.</span></div>
<div><span style="font-size:10.5pt;line-height:1.5;background-color:window">I tried to rerun ICA simply. But the result seemed not better than the first ICA result. And the strange thing was that after the first ICA the signals were more smooth than ones after the second ICA(looked like higher sampling frequency , but the dataset size didn't change)?</span></div>
<div><span style="background-color:window;font-size:10.5pt;line-height:1.5"><br></span></div><div><span style="background-color:window;font-size:10.5pt;line-height:1.5">Thank you!</span></div><hr style="width:210px;min-height:1px" color="#b5c4df" size="1" align="left">
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<blockquote style="margin-top:0px;margin-bottom:0px;margin-left:0.5em"><div> </div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm"><div style="PADDING-RIGHT:8px;PADDING-LEFT:8px;FONT-SIZE:12px;FONT-FAMILY:tahoma;COLOR:#000000;BACKGROUND:#efefef;PADDING-BOTTOM:8px;PADDING-TOP:8px">
<div><b>From:</b> <a href="mailto:spa268@nyu.edu" target="_blank">Stephen Politzer-Ahles</a></div><div><b>Date:</b> 2014-08-06 05:07</div><div class=""><div><b>To:</b> <a href="mailto:bjj2909102003@163.com" target="_blank">bjj2909102003</a></div>
<div><b>CC:</b> <a href="mailto:eeglablist@sccn.ucsd.edu" target="_blank">eeglablist</a></div><div><b>Subject:</b> Re: [Eeglablist] ICA and eye blink component</div></div></div></div><div><div class="h5"><div><div><div dir="ltr">
It does not; some participants won't show as clear a component (maybe they had fewer blinks or their blinks were less stereotypical). Sometimes it can help to record a few blinks on purpose at the beginning of the recording to use as a template.</div>
<div class="gmail_extra"><br clear="all"><div><div dir="ltr"><div><br><br></div>Stephen Politzer-Ahles<br>New York University, Abu Dhabi<br>Neuroscience of Language Lab<br><a href="http://www.nyu.edu/projects/politzer-ahles/" target="_blank">http://www.nyu.edu/projects/politzer-ahles/</a><br>
</div></div>
<br><br><div class="gmail_quote">On Tue, Aug 5, 2014 at 2:53 PM, bjj2909102003 <span dir="ltr"><<a href="mailto:bjj2909102003@163.com" target="_blank">bjj2909102003@163.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
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<div><span></span>Hello,</div><div>I want to use ICA to reject eye blink. But for some subjects it is easy to find eye blink component, for others it is hard to find blink component even I use the plugin-ADJUST. So does ICA <span style="background-color:rgba(0,0,0,0)">extract</span> eye blink component without fail??</div>
<div><br></div><div>Thanks so much!</div><div>Booer</div><hr style="width:210px;min-height:1px" color="#b5c4df" size="1" align="left">
<div><br></div>
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-- <br>Marco Buiatti, PhD<br><br>CEA/DSV/I2BM / NeuroSpin<br>INSERM U992 - Cognitive Neuroimaging Unit<br>Bât 145 - Point Courrier 156<br>Gif sur Yvette F-91191 FRANCE<br>Ph: +33(0)169.08.65.21 <br>Fax: +33(0)169.08.79.73<br>
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