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<DIV><FONT face=Arial size=2>Hi Ki-Young Jung</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I have had experience with 3 styles of
caps</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>(1) the standard 10-20 system EEG cap available for
the last 20 years. Put the cap on the head, secure the chin strap, put
electrode paste in the holes in the cap, attach the electrodes.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>(2) a geodesics quick-cap design available for
approximately the last 5 years. The cap is an expandable wire grid of
electrodes. Easy set-up is advertised.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>(3) Biosemi Active-II electrode cap system
available for approximately the last 5 years. Put the cap on the head,
secure the chin strap, put electrode paste in the holes in the cap, attach
*ACTIVE LOW NOISE* electrodes.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>I highly recommend either option (1) or option
(3). My experience with option (2) is that while attaching the electrodes
to a study participants head is fast, the electrode contacts are generally not
particularly good. The result is that the data are quite
noisy.</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Since it sounds like you already have your EEG
system, you will not be able to use option (3) so that leaves option (2).
This my opinion colored by my experience. I suggest you also consider the
opinions of other researchers, in addition to mine, before you make your final
decision.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Regards,</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2>Philip Michael Zeman</FONT></DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<DIV><FONT face=Arial size=2></FONT> </DIV>
<BLOCKQUOTE
style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px">
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B>
<A title=jungky@korea.ac.kr href="mailto:jungky@korea.ac.kr">Jung Ki-Young</A>
</DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A title=eeglablist@sccn.ucsd.edu
href="mailto:eeglablist@sccn.ucsd.edu">eeglablist@sccn.ucsd.edu</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, August 25, 2009 9:54
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> [Eeglablist] which cap electrode
is the best?</DIV>
<DIV><BR></DIV>
<DIV class=Section1>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">Dear
EEGLABer<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">I am going to use
cap electrode for 64 channel EEG system (Grass
Telefactor).<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">There are several
models of cap electrode such as, easy cap, quick cap, electro-cap
etc.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">I’d like to know
which cap electrode is the best in terms of impedence value, easy
accessibility, and durability something…<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">Thanks a lot in
advance for your help.<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US style="FONT-SIZE: 12pt">Ki-Young
Jung<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Tahoma','sans-serif'">---------------------------------------------------------------------------<BR>Jung,
Ki-Young, MD, PhD, Associate Professor<BR>Department of Neurology, Korea
University Medical Center, <BR>Korea University College of
Medicine <o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Tahoma','sans-serif'">KU Computational
Neuroscience Research Lab (http://<A
href="eeg.re.kr">eeg.re.kr</A>)<BR>---------------------------------------------------------------------------<o:p></o:p></SPAN></P>
<P class=MsoNormal><SPAN lang=EN-US><o:p> </o:p></SPAN></P></DIV>
<P>
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