{"id":1946,"date":"2019-06-28T16:42:55","date_gmt":"2019-06-28T06:42:55","guid":{"rendered":"https:\/\/www.cognav.net\/?p=1946"},"modified":"2019-06-28T16:42:55","modified_gmt":"2019-06-28T06:42:55","slug":"how-is-three-dimensional-space-encoded-in-the-brain","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=1946","title":{"rendered":"How is three-dimensional space encoded in the brain?"},"content":{"rendered":"<p style=\"text-align: justify;\">We live in a three-dimensional world.\u00a0Questions about <strong><span style=\"color: #ff0000;\">how we perceive\u00a0and represent the three-dimensional\u00a0world that surrounds us<\/span> <\/strong>have occupied\u00a0humankind for centuries.\u00a0<\/p>\n<p style=\"text-align: justify;\">Some of Nachum Ulanovsky&#8217;s group main results in recent years included: the finding that in flight,<strong><span style=\"color: #ff0000;\"> 3D hippocampal place cells have nearly spherical 3D place fields<\/span><\/strong>. Recordings in the bat presubiculum revealed <strong><span style=\"color: #ff0000;\">3D head-direction tuning in many cells,<\/span><\/strong> <span style=\"color: #ff0000;\"><strong>which could serve as a 3D compass<\/strong><\/span>; and surprisingly,<strong><span style=\"color: #ff0000;\"> this compass followed a toroidal coordinate system<\/span><\/strong> &#8211; providing an interesting biological solution to the discontinuity and non-commutativity problems associated with a standard spherical coordinate system.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-1947\" src=\"https:\/\/www.braininspirednavigation.com\/wp-content\/uploads\/2019\/06\/Representation-of-three-dimensional-space-in-the-brain-1024x619.png\" alt=\"\" width=\"677\" height=\"409\" srcset=\"https:\/\/braininspirednavigation.com\/wp-content\/uploads\/2019\/06\/Representation-of-three-dimensional-space-in-the-brain-1024x619.png 1024w, https:\/\/braininspirednavigation.com\/wp-content\/uploads\/2019\/06\/Representation-of-three-dimensional-space-in-the-brain-150x91.png 150w, https:\/\/braininspirednavigation.com\/wp-content\/uploads\/2019\/06\/Representation-of-three-dimensional-space-in-the-brain-300x181.png 300w, https:\/\/braininspirednavigation.com\/wp-content\/uploads\/2019\/06\/Representation-of-three-dimensional-space-in-the-brain-768x464.png 768w, https:\/\/braininspirednavigation.com\/wp-content\/uploads\/2019\/06\/Representation-of-three-dimensional-space-in-the-brain.png 1083w\" sizes=\"(max-width: 677px) 100vw, 677px\" \/><\/p>\n<p style=\"text-align: center;\">Fig source: Ulanovsky N <strong><em>Curr. Biol.\u00a0<\/em><\/strong>2011.<\/p>\n<p>More info can be found on the\u00a0<a href=\"https:\/\/www.weizmann.ac.il\/neurobiology\/labs\/ulanovsky\/\">Nachum Ulanovsky&#8217;s group website<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We live in a three-dimensional world.\u00a0Questions about how we perceive\u00a0and represent the three-dimensional\u00a0world that surrounds us have occupied\u00a0humankind for centuries.\u00a0 Some of Nachum Ulanovsky&#8217;s group main results in recent years included: the finding that in flight, 3D hippocampal place cells have nearly spherical 3D place fields. Recordings in the bat presubiculum revealed 3D head-direction tuning [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/1946"}],"collection":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1946"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/1946\/revisions"}],"predecessor-version":[{"id":1948,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/1946\/revisions\/1948"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1946"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1946"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1946"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}