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<p>Dear Stephen and Arjen,</p>
<p><br>
</p>
<p>Thanks a lot for your suggestions. Exactly, I am just pre-referencing them for visualisation purposes and therefore need others to be not re-referenced. As I also filter the signal differently depending on the channel type, I am doing the separation-concatenating
approach. Just thought there might be something "hidden" I did not know about.</p>
<p><br>
</p>
<p>Thanks a lot!</p>
<p><br>
</p>
<p>Best,</p>
<p>Christine<br>
</p>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size:11pt" color="#000000"><b>Von:</b> fieldtrip <fieldtrip-bounces@science.ru.nl> im Auftrag von Stephen Whitmarsh <stephen.whitmarsh@gmail.com><br>
<b>Gesendet:</b> Montag, 15. Juli 2019 17:41:59<br>
<b>An:</b> FieldTrip discussion list<br>
<b>Betreff:</b> Re: [FieldTrip] Apply new ref to selected chans only</font>
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<div>Dear Christine,</div>
<div><br>
</div>
<div>If you want to keep your 'unreferenced' or rather 'pre-rereferenced' channels, you could just add them from the state before re-referencing. Or preprocess a set of channels separately and concatinate them later. Note sure
<i>why </i>you would like to do that though as you would be ending up with channels with different referencing schemes. In any case, per default you lose your reference channels, as they will (average to) zeros anyway.
<br>
</div>
<div><br>
</div>
<div>Also see: <br>
</div>
<div></div>
<div><code></code>
<pre class="gmail-highlight"><code> cfg.implicitref = 'label' or empty, add the implicit EEG reference as zeros (default = [])<b><br></b></code></pre>
Hope this helps,<br>
<br>
Stephen</div>
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<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, 15 Jul 2019 at 15:35, Blume Christine <<a href="mailto:christine.blume@sbg.ac.at">christine.blume@sbg.ac.at</a>> wrote:<br>
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<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
Dear FieldTrippers,<br>
<br>
I am asking myself (& the code, both without success) whether <br>
<br>
i) the new reference in ft_preprocessing is also applied to the original reference channels (which in the case of linked mastoids is not desirable) and if that is the case, ii) whether the code allows to only apply the new ref to specific channels only. Any
ideas are appreciated!<br>
<br>
Best,<br>
Christine <br>
<br>
Sent from my iPhone<br>
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