{"id":846,"date":"2009-12-02T15:07:32","date_gmt":"2009-12-02T22:07:32","guid":{"rendered":"http:\/\/prefrontal.org\/blog\/?p=846"},"modified":"2026-03-06T13:28:21","modified_gmt":"2026-03-06T20:28:21","slug":"live-sectioning-of-hms-brain","status":"publish","type":"post","link":"https:\/\/prefrontal.org\/blog\/2009\/12\/live-sectioning-of-hms-brain\/","title":{"rendered":"Live Sectioning of HM&#8217;s Brain"},"content":{"rendered":"<p>The Brain Observatory at UCSD is doing a live feed of the histological sectioning of patient HM&#8217;s brain today.  The feed will continue for the next two days while they slice through HM&#8217;s brain by fractions of a millimeter at a time.  You can view the feed yourself at the following link:<br \/>\n<a href=\"http:\/\/thebrainobservatory.ucsd.edu\/hm_live.php\">http:\/\/thebrainobservatory.ucsd.edu\/hm_live.php<\/a>.<\/p>\n<p>The studies done with HM revolutionized our understanding of human memory.  His case remains one of the most important in the history of psychology and cognitive science.  If you aren&#8217;t familiar with patient HM then take a few minutes and go through the Wikipedia article on him:<br \/>\n<a href=\"http:\/\/en.wikipedia.org\/wiki\/HM_(patient)\">http:\/\/en.wikipedia.org\/wiki\/HM_(patient)<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/prefrontal.org\/blog\/wp-content\/uploads\/2009\/12\/MicrotomeHM.jpg\" alt=\"MicrotomeHM\" title=\"MicrotomeHM\" width=\"600\" height=\"251\" class=\"alignnone size-full wp-image-847\" srcset=\"https:\/\/prefrontal.org\/blog\/wp-content\/uploads\/2009\/12\/MicrotomeHM.jpg 600w, https:\/\/prefrontal.org\/blog\/wp-content\/uploads\/2009\/12\/MicrotomeHM-300x125.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The Brain Observatory at UCSD is doing a live feed of the histological sectioning of patient HM&#8217;s brain today. The feed will continue for the next two days while they slice through HM&#8217;s brain by fractions of a millimeter at a time. You can view the feed yourself at the following link: http:\/\/thebrainobservatory.ucsd.edu\/hm_live.php. The studies [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,12],"tags":[],"class_list":["post-846","post","type-post","status-publish","format-standard","hentry","category-cognitive-neuroscience","category-psychology"],"_links":{"self":[{"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/posts\/846","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/comments?post=846"}],"version-history":[{"count":5,"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/posts\/846\/revisions"}],"predecessor-version":[{"id":852,"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/posts\/846\/revisions\/852"}],"wp:attachment":[{"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/media?parent=846"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/categories?post=846"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prefrontal.org\/blog\/wp-json\/wp\/v2\/tags?post=846"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}