{"id":2583,"date":"2022-03-16T11:11:26","date_gmt":"2022-03-16T01:11:26","guid":{"rendered":"https:\/\/www.cognav.net\/?p=2583"},"modified":"2022-03-16T11:12:57","modified_gmt":"2022-03-16T01:12:57","slug":"how-the-primary-visual-cortex-encodes-stable-3d-head-direction-signals","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=2583","title":{"rendered":"How the primary visual cortex encodes stable 3D head direction signals?"},"content":{"rendered":"<p style=\"text-align: justify;\">Grigori Guitchounts, William Lotter, Joel Dapello, David Cox. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2020.09.04.283762v2\"><strong>Stable 3D Head Direction Signals in the Primary Visual Cortex<\/strong><\/a>. bioRxiv 2020.09.04.283762; doi: https:\/\/doi.org\/10.1101\/2020.09.04.283762<\/p>\n<p style=\"text-align: justify;\">Abstract<br \/>\n&#8220;<strong><span style=\"color: #ff0000;\">Visual signals influence the brain\u2019s computation of spatial position and orientation<\/span><\/strong>. Accordingly, the primary visual cortex (V1) is extensively interconnected with areas involved in computing head direction (HD) information. Predictive coding theories posit that higher cortical areas send sensory or motor predictions to lower areas, <strong><span style=\"color: #ff0000;\">but whether this includes cognitive variables like the HD signal\u2014and whether HD information is present in V1\u2014is unknown<\/span><\/strong>. Here we show that <strong><span style=\"color: #ff0000;\">V1 encodes the yaw, roll, and pitch of the head in freely behaving rats, either in the presence or absence of visual cues<\/span><\/strong>. HD tuning was modulated by lighting and movement state, but was stable on a population level for over a week. These results demonstrate the presence of a critical spatial orientation signal in a primary cortical sensory area and support predictive coding theories of brain function.&#8221;<\/p>\n<p style=\"text-align: justify;\">Grigori Guitchounts, William Lotter, Joel Dapello, David Cox. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2020.09.04.283762v2\"><strong>Stable 3D Head Direction Signals in the Primary Visual Cortex<\/strong><\/a>. bioRxiv 2020.09.04.283762; doi: https:\/\/doi.org\/10.1101\/2020.09.04.283762<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Grigori Guitchounts, William Lotter, Joel Dapello, David Cox. Stable 3D Head Direction Signals in the Primary Visual Cortex. bioRxiv 2020.09.04.283762; doi: https:\/\/doi.org\/10.1101\/2020.09.04.283762 Abstract &#8220;Visual signals influence the brain\u2019s computation of spatial position and orientation. Accordingly, the primary visual cortex (V1) is extensively interconnected with areas involved in computing head direction (HD) information. Predictive coding theories [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[390,479,389,96,346],"tags":[642,120,652],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2583"}],"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=2583"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2583\/revisions"}],"predecessor-version":[{"id":2584,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2583\/revisions\/2584"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2583"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2583"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2583"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}