{"id":2213,"date":"2020-01-29T14:08:31","date_gmt":"2020-01-29T04:08:31","guid":{"rendered":"https:\/\/www.cognav.net\/?p=2213"},"modified":"2020-01-29T14:08:31","modified_gmt":"2020-01-29T04:08:31","slug":"how-does-the-brains-compass-system-work-in-insects-and-mammals","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=2213","title":{"rendered":"How does the brain&#8217;s compass system work in insects and mammals?"},"content":{"rendered":"<p style=\"text-align: justify;\">Hulse, Brad K., and Vivek Jayaraman. &#8220;<strong><a href=\"https:\/\/www.annualreviews.org\/doi\/pdf\/10.1146\/annurev-neuro-072116-031516\">Mechanisms Underlying the Neural Computation of Head Direction<\/a><\/strong>.&#8221; Annual Review of Neuroscience 43 (2019).<\/p>\n<p style=\"text-align: justify;\"><strong>Abstract <\/strong><\/p>\n<p style=\"text-align: justify;\">&#8220;<span style=\"color: #ff0000;\"><strong>Many animals use an internal sense of direction to guide their movements through the world<\/strong><\/span>. Neurons selective to head direction are thought to support this directional sense and have been found in a diverse range of species, from insects to primates, highlighting their evolutionary importance. <strong><span style=\"color: #ff0000;\">Across species, most head-direction networks share four key properties: a unique representation of direction at all times, persistent activity in the absence of movement, integration of angular velocity to update the representation, and the use of directional cues to correct drift<\/span><\/strong>. The dynamics of theorized network structures called ring attractors elegantly account for these properties, but <strong><span style=\"color: #ff0000;\">their relationship to brain circuits is unclear<\/span><\/strong>. Here, we review experiments in rodents and flies that offer insights into <strong><span style=\"color: #ff0000;\">potential neural implementations of ring attractor networks<\/span><\/strong>. We suggest that a theory-guided search across model systems for biological mechanisms that enable such dynamics would <strong><span style=\"color: #ff0000;\">uncover general principles underlying head-direction circuit function<\/span><\/strong>.&#8221;<\/p>\n<p style=\"text-align: justify;\">Hulse, Brad K., and Vivek Jayaraman. &#8220;<strong><a href=\"https:\/\/www.annualreviews.org\/doi\/pdf\/10.1146\/annurev-neuro-072116-031516\">Mechanisms Underlying the Neural Computation of Head Direction<\/a><\/strong>.&#8221; Annual Review of Neuroscience 43 (2019).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Hulse, Brad K., and Vivek Jayaraman. &#8220;Mechanisms Underlying the Neural Computation of Head Direction.&#8221; Annual Review of Neuroscience 43 (2019). Abstract &#8220;Many animals use an internal sense of direction to guide their movements through the world. Neurons selective to head direction are thought to support this directional sense and have been found in a diverse [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,346,419],"tags":[572,749,750,747,752,605,263,643,751,753,746,748],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2213"}],"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=2213"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2213\/revisions"}],"predecessor-version":[{"id":2214,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2213\/revisions\/2214"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2213"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2213"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2213"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}