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<p class="MsoNormal">Dear SimNibs users,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-GB">I want to compare several tDCS montages and assess field strength in particular ROI’s, on a “generic” head model, prior to actually starting the study. I thought the MNI152 example mesh could serve perfectly for this
purpose. However, I struggle with some very beginner technical issues.<o:p></o:p></span></p>
<ul style="margin-top:0cm" type="disc">
<li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-GB">Am I correct in assuming that this mesh is already in MNI space?
<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-GB">“Transform to MNI space” under simulation options fails, supposedly because the m2m folder doesn’t contain the necessary information?<o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2;text-autospace:none">
<span lang="EN-GB">Similarly, the mni2subject_coords call in the example ROI script fails, again, I assume again because the m2m folder doesn’t contain the necessary information? (I can get it to run without a problem on Ernie).</span><span lang="EN-GB" style="font-size:12.0pt;font-family:"Courier New""><o:p></o:p></span></li><li class="MsoListParagraph" style="margin-left:0cm;mso-list:l0 level1 lfo2"><span lang="EN-GB">Is it possible to calculate mean field strength in an anatomical (e.g., atlas-based) ROI, rather than using the sphere-based approach? (I wanted to approach this
from a “masking” angle, but am unsure how to proceed, as I cannot transform the standard head simulation to MNI space).<o:p></o:p></span></li></ul>
<p class="MsoListParagraph"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Thank you very much for making this wonderful software and also making the tutorials publicly available on youtube!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB">Kris Baetens<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB"><o:p> </o:p></span></p>
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