{"id":2639,"date":"2022-05-27T11:10:26","date_gmt":"2022-05-27T01:10:26","guid":{"rendered":"https:\/\/www.cognav.net\/?p=2639"},"modified":"2022-05-27T11:10:26","modified_gmt":"2022-05-27T01:10:26","slug":"how-does-the-brain-maintain-a-stable-head-direction-representation-in-naturalistic-visual-environments","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=2639","title":{"rendered":"How does the brain maintain a stable head direction representation in naturalistic visual environments?"},"content":{"rendered":"<p style=\"text-align: justify;\">Hannah Haberkern, Shivam S Chitnis, Philip M Hubbard, Tobias Goulet, Ann M Hermundstad, Vivek Jayaraman. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2022.05.17.492284v1\"><strong>Maintaining a stable head direction representation in naturalistic visual environments<\/strong><\/a>.\u00a0bioRxiv 2022.05.17.492284; doi: https:\/\/doi.org\/10.1101\/2022.05.17.492284<\/p>\n<p style=\"text-align: justify;\">Abstract<br \/>\n&#8220;<strong><span style=\"color: #ff0000;\">Many animals rely on a representation of head direction for flexible, goal-directed navigation<\/span><\/strong>. In insects, a compass-like head direction representation is maintained in a conserved brain region called the central complex. <span style=\"color: #000000;\">This head direction representation is updated by self-motion information and by tethering to sensory cues in the surroundings through a plasticity mechanism<\/span>. <strong><span style=\"color: #ff0000;\">However,<\/span><\/strong> <strong><span style=\"color: #ff0000;\">under natural settings, some of these sensory cues may temporarily disappear\u2014for example, when clouds hide the sun\u2014and prominent landmarks at different distances from the insect may move across the animal&#8217;s field of view during translation, creating potential conflicts for a neural compass<\/span><\/strong>. We used two-photon calcium imaging in head-fixed Drosophila behaving in virtual reality to monitor the fly&#8217;s compass during navigation in immersive naturalistic environments with approachable local landmarks. <strong><span style=\"color: #ff0000;\">We found that the fly&#8217;s compass remains stable even in these settings by tethering to available global cues, likely preserving the animal&#8217;s ability to perform compass-driven behaviors such as maintaining a constant heading<\/span><\/strong>.&#8221;<\/p>\n<p style=\"text-align: justify;\">Hannah Haberkern, Shivam S Chitnis, Philip M Hubbard, Tobias Goulet, Ann M Hermundstad, Vivek Jayaraman. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2022.05.17.492284v1\"><strong>Maintaining a stable head direction representation in naturalistic visual environments<\/strong><\/a>.\u00a0bioRxiv 2022.05.17.492284; doi: https:\/\/doi.org\/10.1101\/2022.05.17.492284<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hannah Haberkern, Shivam S Chitnis, Philip M Hubbard, Tobias Goulet, Ann M Hermundstad, Vivek Jayaraman. Maintaining a stable head direction representation in naturalistic visual environments.\u00a0bioRxiv 2022.05.17.492284; doi: https:\/\/doi.org\/10.1101\/2022.05.17.492284 Abstract &#8220;Many animals rely on a representation of head direction for flexible, goal-directed navigation. In insects, a compass-like head direction representation is maintained in a conserved brain [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[987,96,346],"tags":[396,1023,1022,1024],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2639"}],"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=2639"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2639\/revisions"}],"predecessor-version":[{"id":2640,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2639\/revisions\/2640"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2639"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2639"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2639"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}