op">=</span><span class="cn">TRUE</span><span class="op">)</span></span></code></pre></div>
<p>Here is the command line which was originally used to extract the
surface:</p>
<div class="sourceCode" id="cb5"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="co">#SURFvextract(sdirpath = SUBJECTS_DIR, filename = "SPRENG_CTv", template='fsaverage5', measure = 'thickness', subj_ID = T)</span></span></code></pre></div>
<p>To load the demo thickness matrix:</p>
<div class="sourceCode