It&#39;s more a methodological question, and I have asked this before, but I think it could be better discussed in the FreeSurfer community.<br clear="all"><br>Several times people ask me what&#39;s the advantage of Surface based methods like the ones used in FreeSurfer over VBM in estimating volumetric parameters of subcortical structures.<br>

<br>The plain question people ask me is: what`s the advantage of FreeSurfer over SPM in terms of volumetric measures.<br><br>I have some answers for this. I have wrote something about in the FAQ of FreeSurfer but I was wondering if there&#39;s some comparative study or some better idea on this.<br>

<br><br>-----------------------------------------------------------<br>Pedro Paulo de M. Oliveira Junior<br>Diretor de Operações<br>Netfilter &amp; SpeedComm Telecom<br>--- Novo Netfilter 3.0 <a href="http://www.Netfilter.com.br">www.Netfilter.com.br</a><br>

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