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<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">Hello,</p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">I want to compare a handful of ROIs between subjects, so I: 1) did my source analysis on a subject-specific grid that was inverse-warped to a template grid 2) used the AAL atlas to interpolate onto my sourcemodel to have ROIs.<span class="gmail-Apple-converted-space"> </span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">When I interpolated the atlas onto the source model of one of my subjects, I was able to get a list of indices for the sources that are in my ROIs. I planned to use those same indices to index sources for every subject, as I assume those indices point to the same positions in the brain across subjects.<span class="gmail-Apple-converted-space"> </span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">I was wondering if it is recommended/custom to use that approach when determining which sources to look in my ROIs, or rather, interpolating the atlas for each subject individually to determine which sources to look at.<span class="gmail-Apple-converted-space"> </span></p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">(The reason I ask is because when I index those sources on a different subject, I notice generally the sources do appear in the same region of the brain - but some sources, understandably, are in a slightly different position (ex. Just outside of the headmodel).</p>
<p class="gmail-p2" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue";min-height:15px"><br></p>
<p class="gmail-p1" style="margin:0px;font-variant-numeric:normal;font-variant-east-asian:normal;font-variant-alternates:normal;font-size-adjust:none;font-kerning:auto;font-feature-settings:normal;font-stretch:normal;font-size:13px;line-height:normal;font-family:"Helvetica Neue"">Thanks and I appreciate the help</p></div>