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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi Frederic,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>If you use the plotting functions in
FieldTrip there are several ways to plot the significant differences between
conditions. In the topoplot functions you can highlight the significant sensors
(see help topoplot.m). In the multiplot functions you can make use of opacity
masking (see help again). Set the data.mask field as cfg.maskparameter. Multiplying
the raw effect with the significance map is not recommended if you use the
topoplot functions, because interpolation takes place to fill in the space between
the channels. Setting channels to zero can create interpolation artifiacts.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>See also the tutorials on the FieldTrip
webpage for more information: <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><a
href="http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip">http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Plotting clusters:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><a
href="http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip:documentation:tutorial:plotting#plotting_clusters">http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip:documentation:tutorial:plotting#plotting_clusters</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'> In the Cluster-based permutation tests
tutorial there is also information about plotting the results<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><a
href="http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip:documentation:tutorial:statistics#2.1_permutation_tests_for_time-locked_databetween-trials_experiments">http://www2.ru.nl/fcdonders/fieldtrip/doku.php?id=fieldtrip:documentation:tutorial:statistics#2.1_permutation_tests_for_time-locked_databetween-trials_experiments</a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Good luck,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Ingrid<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> <st1:PersonName
w:st="on">FieldTrip discussion list</st1:PersonName>
[mailto:FIELDTRIP@NIC.SURFNET.NL] <b><span style='font-weight:bold'>On Behalf
Of </span></b>Frederic Roux<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, July 11, 2008 9:17
AM<br>
<b><span style='font-weight:bold'>To:</span></b> FIELDTRIP@NIC.SURFNET.NL<br>
<b><span style='font-weight:bold'>Subject:</span></b> [FIELDTRIP]</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'>Hi Eric,<br>
<br>
thank you for replying so fast. Your answer helped me a lot. I have on more
question: if I want to see significant differences between conditions I must
multiply the raweffect with a significance map?<br>
This should look similar to this:<br>
plotdata.powspctrm = clusrand.raweffect.*squeeze(clusrand.posclusterlabelmat ==
1);<br>
<br>
Is that correct?<br>
<br>
Regards,<br>
<br>
Frederic<br>
<br>
<br>
<br>
<br>
Dipl. Psych. Frederic Roux <br>
<br>
Max Planck Institut für Hirnforschung<br>
Abteilung Neurophysiologie<br>
Deutschordenstr. 46<br>
60528 Frankfurt am Main<br>
<br>
Tel.: 069 / 6301 83225<br>
Mail: fredericroux@hotmail.de <br>
froux@mpih-frankfurt.mpg.de<br>
<br>
<br>
<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma'>Messenger Online Treff: <a
href="http://redirect.gimas.net/?cat=hmtl&n=M0807MOT&d=http://messenger.live.de/community/messenger-online-treff.aspx"
target="_new">Spontan chatten, über Hobbies reden, sofort Spass haben? Jetzt
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<p>----------------------------------</p>
<p>The aim of this list is to facilitate the discussion between users of the FieldTrip toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis.</p>
<p> http://listserv.surfnet.nl/archives/fieldtrip.html</p>
<p> http://www.ru.nl/fcdonders/fieldtrip/</p>
<p>----------------------------------</p>
<p>The aim of this list is to facilitate the discussion between users of the FieldTrip toolbox, to share experiences and to discuss new ideas for MEG and EEG analysis.</p>
<p> http://listserv.surfnet.nl/archives/fieldtrip.html</p>
<p> http://www.ru.nl/fcdonders/fieldtrip/</p>