{"id":2718,"date":"2022-10-05T13:58:20","date_gmt":"2022-10-05T03:58:20","guid":{"rendered":"https:\/\/www.cognav.net\/?p=2718"},"modified":"2022-10-05T13:58:20","modified_gmt":"2022-10-05T03:58:20","slug":"whether-the-compression-of-time-cells-obeys-the-weber-fechner-law","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=2718","title":{"rendered":"Whether the compression of time cells obeys the Weber-Fechner Law?"},"content":{"rendered":"<p style=\"text-align: justify;\">Rui Cao, John H. Bladon, Stephen J. Charczynski, Michael E. Hasselmo, Marc W. Howard. <a href=\"https:\/\/doi.org\/10.1101\/2021.10.25.465750\"><strong>Internally Generated Time in the Rodent Hippocampus is Logarithmically Compressed<\/strong><\/a>. bioRxiv 2021.10.25.465750; doi: https:\/\/doi.org\/10.1101\/2021.10.25.465750<\/p>\n<p style=\"text-align: justify;\">Abstract<br \/>\n&#8220;The Weber-Fechner law proposes that our perceived sensory input increases with physical input on a logarithmic scale. <strong><span style=\"color: #ff0000;\">Hippocampal \u201ctime cells\u201d carry a record of recent experience by firing sequentially during a circumscribed period of time after a triggering stimulus<\/span><\/strong>. Different cells have \u201ctime fields\u201d at different delays up to at least tens of seconds. Past studies suggest that time cells represent a compressed timeline by demonstrating that fewer time cells fire late in the delay and their time fields are wider. <strong><span style=\"color: #ff0000;\">This paper asks whether the compression of time cells obeys the Weber-Fechner Law<\/span><\/strong>. Time cells were studied with a hierarchical Bayesian model that simultaneously accounts for the firing pattern at the trial level, cell level, and population level. This procedure allows separate estimates of the within-trial receptive field width and the across-trial variability. The analysis at the trial level suggests the time cells represent an internally coherent timeline as a group. Furthermore, even after isolating across-trial variability, time field width increases linearly with delay. Finally, <strong><span style=\"color: #ff0000;\">we find that the time cell population is distributed evenly on a logarithmic time scale<\/span><\/strong>. Together, <strong><span style=\"color: #ff0000;\">these findings provide strong quantitative evidence that the internal neural temporal representation is logarithmically compressed and obeys a neural instantiation of the Weber-Fechner Law<\/span><\/strong>.&#8221;<\/p>\n<p style=\"text-align: justify;\">Rui Cao, John H. Bladon, Stephen J. Charczynski, Michael E. Hasselmo, Marc W. Howard. <a href=\"https:\/\/doi.org\/10.1101\/2021.10.25.465750\"><strong>Internally Generated Time in the Rodent Hippocampus is Logarithmically Compressed<\/strong><\/a>. bioRxiv 2021.10.25.465750; doi: https:\/\/doi.org\/10.1101\/2021.10.25.465750<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rui Cao, John H. Bladon, Stephen J. Charczynski, Michael E. Hasselmo, Marc W. Howard. Internally Generated Time in the Rodent Hippocampus is Logarithmically Compressed. bioRxiv 2021.10.25.465750; doi: https:\/\/doi.org\/10.1101\/2021.10.25.465750 Abstract &#8220;The Weber-Fechner law proposes that our perceived sensory input increases with physical input on a logarithmic scale. Hippocampal \u201ctime cells\u201d carry a record of recent experience [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[987,96,346,762],"tags":[349,1098,1100,1099,205,766],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2718"}],"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=2718"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2718\/revisions"}],"predecessor-version":[{"id":2719,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/2718\/revisions\/2719"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2718"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2718"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}