Is there a clever trick so that I can just &quot;flip&quot; Right handed ROI&#39;s I drew on a mask to the Left side--- they were drawn on the fsl 1MM mask...<br><br>I tried playing around with the eye.mat, but before I spend the next two years relearning/rembering linear algebra I decided to see if someone could just tell me!  <br>
<br>Thanks<br><br clear="all"><br>-- <br>David A &quot;trying not to reinvent the wheel&quot;  Gutman, M.D. Ph.D.<br>Department of Psychiatry &amp; Behavioral Sciences<br>Emory University School of Medicine<br>