{"id":2817,"date":"2023-03-07T11:15:55","date_gmt":"2023-03-07T01:15:55","guid":{"rendered":"https:\/\/www.cognav.net\/?p=2817"},"modified":"2023-03-07T11:15:55","modified_gmt":"2023-03-07T01:15:55","slug":"how-the-neural-representation-of-allocentric-space-is-distorted-by-goal-directed-behaviour","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=2817","title":{"rendered":"How the neural representation of allocentric space is distorted by goal-directed behaviour?"},"content":{"rendered":"<p style=\"text-align: justify;\">PS Muhle-Karbe, H Sheahan, G Pezzulo, HJ Spiers, S Chien, NW Schuck, C Summerfield. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2023.01.12.523762v2\"><strong>Goal-seeking compresses neural codes for space in the human hippocampus and orbitofrontal cortex<\/strong><\/a>.\u00a0bioRxiv 2023.01.12.523762; doi: https:\/\/doi.org\/10.1101\/2023.01.12.523762<\/p>\n<p style=\"text-align: justify;\">Abstract<br \/>\n&#8220;<strong><span style=\"color: #ff0000;\">Humans can navigate flexibly to meet their goals<\/span><\/strong>. Here, <strong><span style=\"color: #ff0000;\">we asked how the neural representation of allocentric space is distorted by goal-directed behaviour<\/span><\/strong>. Participants navigated an agent to two successive goal locations in a grid world environment comprising four interlinked rooms, with a contextual cue indicating the conditional dependence of one goal location on another. Examining the neural geometry by which room and context were encoded in fMRI signals, <strong><span style=\"color: #ff0000;\">we found that map-like representations of the environment emerged in both hippocampus and neocortex<\/span><\/strong>. <strong><span style=\"color: #ff0000;\">Cognitive maps in hippocampus and orbitofrontal cortices were compressed so that locations cued as goals were coded together in neural state space, and these distortions predicted successful learning<\/span><\/strong>. This effect was captured by a computational model in which current and prospective locations are jointly encoded in a place code, <strong><span style=\"color: #ff0000;\">providing a theory of how goals warp the neural representation of space in macroscopic neural signals<\/span><\/strong>.&#8221;<\/p>\n<p style=\"text-align: justify;\">PS Muhle-Karbe, H Sheahan, G Pezzulo, HJ Spiers, S Chien, NW Schuck, C Summerfield. <a href=\"https:\/\/www.biorxiv.org\/content\/10.1101\/2023.01.12.523762v2\"><strong>Goal-seeking compresses neural codes for space in the human hippocampus and orbitofrontal cortex<\/strong><\/a>.\u00a0bioRxiv 2023.01.12.523762; doi: https:\/\/doi.org\/10.1101\/2023.01.12.523762<\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PS Muhle-Karbe, H Sheahan, G Pezzulo, HJ Spiers, S Chien, NW Schuck, C Summerfield. Goal-seeking compresses neural codes for space in the human hippocampus and orbitofrontal cortex.\u00a0bioRxiv 2023.01.12.523762; doi: https:\/\/doi.org\/10.1101\/2023.01.12.523762 Abstract &#8220;Humans can navigate flexibly to meet their goals. Here, we asked how the neural representation of allocentric space is distorted by goal-directed behaviour. Participants [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[96,960,346],"tags":[1208,931,349,971,588],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2817"}],"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=2817"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2817\/revisions"}],"predecessor-version":[{"id":2818,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2817\/revisions\/2818"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2817"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2817"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2817"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}