{"id":2403,"date":"2021-02-05T19:48:23","date_gmt":"2021-02-05T09:48:23","guid":{"rendered":"https:\/\/www.cognav.net\/?p=2403"},"modified":"2021-02-05T19:48:23","modified_gmt":"2021-02-05T09:48:23","slug":"how-does-the-brain-encode-angular-and-linear-velocity","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=2403","title":{"rendered":"How does the brain encode angular and linear velocity?"},"content":{"rendered":"<p style=\"text-align: justify;\">Davide Spalla, Alessandro Treves, Charlotte N. Boccara. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2021.01.28.428631v1\"><strong>Angular and Linear Speed Cells in the Parahippocampal Circuits<\/strong><\/a>.\u00a0bioRxiv 2021.01.28.428631; doi: https:\/\/doi.org\/10.1101\/2021.01.28.428631<\/p>\n<p style=\"text-align: justify;\">Abstract<br \/>\n&#8220;<strong><span style=\"color: #ff0000;\">An essential role of the hippocampal region is to integrate information to compute and update representations<\/span><\/strong>. How this transpires is highly debated. Many theories hinge on the integration of self-motion signals and the existence of continuous attractor networks (CAN). CAN models hypothesise that neurons coding for navigational correlates \u2013 such as position and direction \u2013 receive inputs from cells conjunctively coding for position, direction and self-motion. As yet, such conjunctive coding had not been found in the hippocampal region. Here, <span style=\"color: #ff0000;\"><strong>we report neurons coding for angular and linear velocity, distributed across the medial entorhinal cortex, the presubiculum and the parasubiculum<\/strong><\/span>. These self-motion neurons often conjunctively encoded position and\/or direction, yet lacked a structured organisation, calling for the revision of current CAN models. <strong><span style=\"color: #ff0000;\">These results offer insights as to how linear\/angular speed \u2013 derivative in time of position\/direction \u2013 may allow the updating of spatial representations, possibly uncovering a generalised algorithm to update any representation<\/span><\/strong>.&#8221;<\/p>\n<p style=\"text-align: justify;\">Davide Spalla, Alessandro Treves, Charlotte N. Boccara. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2021.01.28.428631v1\"><strong>Angular and Linear Speed Cells in the Parahippocampal Circuits<\/strong><\/a>.\u00a0bioRxiv 2021.01.28.428631; doi: https:\/\/doi.org\/10.1101\/2021.01.28.428631<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Davide Spalla, Alessandro Treves, Charlotte N. Boccara. Angular and Linear Speed Cells in the Parahippocampal Circuits.\u00a0bioRxiv 2021.01.28.428631; doi: https:\/\/doi.org\/10.1101\/2021.01.28.428631 Abstract &#8220;An essential role of the hippocampal region is to integrate information to compute and update representations. How this transpires is highly debated. Many theories hinge on the integration of self-motion signals and the existence of [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114,96,346,849],"tags":[892,572,893,891,375],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2403"}],"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=2403"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2403\/revisions"}],"predecessor-version":[{"id":2404,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2403\/revisions\/2404"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2403"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2403"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}