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    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">M. Castillo</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">September 2012,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">33 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(8) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1417-1418; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A2929 </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-12041--6473846708" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">M. Castillo </div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=M.%2BCastillo%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Castillo%20M&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link last"><a href="/search/author1%3AM.%2BCastillo%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div></div></div>  </div>

  
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    <div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" xmlns:xhtml="http://www.w3.org/1999/xhtml" class="section ref-list" id="ref-list-1"><h2>References</h2><ol class="cit-list ref-use-labels"><li><span class="ref-label">1.</span><a class="rev-xref-ref" href="#xref-ref-1-1" title="View reference 1. in text" id="ref-1">↵</a>

<div class="cit ref-cit ref-journal" id="cit-33.8.1417.1"><div class="cit-metadata"><ol class="cit-auth-list"><li><span class="cit-auth"><span class="cit-name-surname">Strathearn</span>  <span class="cit-name-given-names">L</span></span>, </li><li><span class="cit-auth"><span class="cit-name-surname">Li</span>  <span class="cit-name-given-names">J</span></span>, </li><li><span class="cit-auth"><span class="cit-name-surname">Fonagy</span>  <span class="cit-name-given-names">P</span></span>, </li><li><span class="cit-etal">et al</span></li></ol><cite>.
<span class="cit-article-title">What's in a smile? Maternal brain responses to infant facial cues</span>. 
<em>Pediatrics</em> 
<span class="cit-pub-date">2008</span>;
<span class="cit-vol">122</span>:
<span class="cit-fpage">40</span>–
<span class="cit-lpage">51</span>
</cite></div><div class="cit-extra"></div></div>
</li><li><span class="ref-label">2.</span><a class="rev-xref-ref" href="#xref-ref-2-1" title="View reference 2. in text" id="ref-2">↵</a>

<div class="cit ref-cit ref-journal" id="cit-33.8.1417.2" data-doi="10.1006/nimg.2002.1323"><div class="cit-metadata"><ol class="cit-auth-list"><li><span class="cit-auth"><span class="cit-name-surname">Kitts</span>  <span class="cit-name-given-names">CD</span></span>, </li><li><span class="cit-auth"><span class="cit-name-surname">Egan</span>  <span class="cit-name-given-names">G</span></span>, </li><li><span class="cit-auth"><span class="cit-name-surname">Gideon</span>  <span class="cit-name-given-names">DA</span></span>, </li><li><span class="cit-etal">et al</span></li></ol><cite>.
<span class="cit-article-title">Dissociable neural pathways are involved in the recognition of emotion in static and dynamic facial expressions</span>. 
<abbr class="cit-jnl-abbrev">Neuroimage</abbr> 
<span class="cit-pub-date">2003</span>;
<span class="cit-vol">18</span>:
<span class="cit-fpage">156</span>–<span class="cit-lpage">68</span>.
</cite></div><div class="cit-extra"><a href="/lookup/external-ref?access_num=10.1006/nimg.2002.1323&amp;link_type=DOI" class="cit-ref-sprinkles cit-ref-sprinkles-doi cit-ref-sprinkles-crossref"><span>CrossRef</span></a><a href="/lookup/external-ref?access_num=12507452&amp;link_type=MED&amp;atom=%2Fajnr%2F33%2F8%2F1417.atom" class="cit-ref-sprinkles cit-ref-sprinkles-medline"><span>PubMed</span></a><a href="/lookup/external-ref?access_num=000180015200014&amp;link_type=ISI" class="cit-ref-sprinkles cit-ref-sprinkles-newisilink cit-ref-sprinkles-webofscience"><span>Web of Science</span></a></div></div>
</li><li><span class="ref-label">3.</span><a class="rev-xref-ref" href="#xref-ref-3-1" title="View reference 3. in text" id="ref-3">↵</a>

<div class="cit ref-cit ref-journal" id="cit-33.8.1417.3"><div class="cit-metadata"><ol class="cit-auth-list"><li><span class="cit-auth"><span class="cit-name-surname">Bigger</span>  <span class="cit-name-given-names">S</span></span></li></ol><cite>. 
<span class="cit-article-title">Behind that smile</span>. 
<abbr class="cit-jnl-abbrev">New Scientist</abbr> 
<span class="cit-pub-date">2005</span>;
<span class="cit-vol">2530</span>:
<span class="cit-fpage">25</span> 
</cite></div><div class="cit-extra"></div></div>
</li><li><span class="ref-label">4.</span><a class="rev-xref-ref" href="#xref-ref-4-1" title="View reference 4. in text" id="ref-4">↵</a>

<div class="cit ref-cit ref-web" id="cit-33.8.1417.4"><div class="cit-metadata"><cite><span class="cit-source">Glad or Sad</span>. 
<span class="cit-comment"><a href="http://www.gladorsad.com/en">http://www.gladorsad.com/en</a></span>. 
<span class="cit-access-date">Accessed September 28, 2011</span> 
</cite></div><div class="cit-extra"></div></div>
</li><li><span class="ref-label">5.</span><a class="rev-xref-ref" href="#xref-ref-5-1" title="View reference 5. in text" id="ref-5">↵</a>

<div class="cit ref-cit ref-web" id="cit-33.8.1417.5"><div class="cit-metadata"><cite><span class="cit-source">Dental Braces</span>. 
<span class="cit-comment"><a href="http://en.wikipedia.org/wiki/Dental_braces">http://en.wikipedia.org/wiki/Dental_braces</a></span>. 
<span class="cit-access-date">Accessed September 28, 2011</span>
</cite></div><div class="cit-extra"></div></div>
</li><li><span class="ref-label">6.</span><a class="rev-xref-ref" href="#xref-ref-6-1" title="View reference 6. in text" id="ref-6">↵</a>

<div class="cit ref-cit ref-web" id="cit-33.8.1417.6"><div class="cit-metadata"><cite><span class="cit-auth cit-collab">Orthodontics</span>. 
<span class="cit-source">Angle's classification of malocclusion</span>. 
<span class="cit-comment"><a href="http://web.archive.org/web/20080213164657/http:/www.unc.edu/depts/appl_sci/ortho/introduction/angles.html">http://web.archive.org/web/20080213164657/http:/www.unc.edu/depts/appl_sci/ortho/introduction/angles.html</a></span>. 
<span class="cit-access-date">Accessed September 28, 2011</span>
</cite></div><div class="cit-extra"></div></div>
</li><li><span class="ref-label">7.</span><a class="rev-xref-ref" href="#xref-ref-7-1" title="View reference 7. in text" id="ref-7">↵</a>

<div class="cit ref-cit ref-web" id="cit-33.8.1417.7"><div class="cit-metadata"><cite><span class="cit-auth cit-collab">Charlie Brooker</span>. 
<span class="cit-article-title">Thinking of getting you teeth whitened? Well don't. Keep them brown</span>. 
<span class="cit-source">The Guardian</span>. 
<span class="cit-month">November</span> 
<span class="cit-day">12</span>, 
<span class="cit-pub-date">2006</span>. 
<span class="cit-comment"><a href="http://www.guardian.co.uk/commentisfree/2006/nov/13/comment.charliebrooker">http://www.guardian.co.uk/commentisfree/2006/nov/13/comment.charliebrooker</a></span>. 
<span class="cit-access-date">Accessed September 28, 2011</span>
</cite></div><div class="cit-extra"></div></div>
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