{"id":1969,"date":"2019-07-04T14:11:05","date_gmt":"2019-07-04T04:11:05","guid":{"rendered":"https:\/\/www.cognav.net\/?p=1969"},"modified":"2019-07-04T14:11:05","modified_gmt":"2019-07-04T04:11:05","slug":"how-3d-vision-neurons-in-insect-brains-compute-3d-distance-and-direction","status":"publish","type":"post","link":"https:\/\/braininspirednavigation.com\/?p=1969","title":{"rendered":"How 3D vision neurons in insect brains compute 3D distance and direction?"},"content":{"rendered":"<p style=\"text-align: justify;\">Ronny Rosner, Joss von Hadeln, Ghaith Tarawneh &amp; Jenny C. A. Read. <a href=\"https:\/\/www.nature.com\/articles\/s41467-019-10721-z\"><strong>A neuronal correlate of insect stereopsis<\/strong><\/a>.\u00a0Nature Communications volume 10, Article number: 2845 (2019)\u00a0<\/p>\n<p style=\"text-align: justify;\">Abstract<br \/>\n<span style=\"color: #ff0000;\"><strong>A puzzle for neuroscience\u2014and robotics\u2014is how insects achieve surprisingly complex behaviours with such tiny brains.<\/strong><\/span> One example is depth perception via binocular stereopsis in the praying mantis, a predatory insect. Praying mantids use stereopsis, the computation of distances from disparities between the two retinal images, to trigger a raptorial strike of their forelegs when prey is within reach. The neuronal basis of this ability is entirely unknown. <span style=\"color: #ff0000;\"><strong>Here we show the first evidence that individual neurons in the praying mantis brain are tuned to specific disparities and eccentricities, and thus locations in 3D-space.<\/strong><\/span> Like disparity-tuned cortical cells in vertebrates, the responses of these mantis neurons are consistent with linear summation of binocular inputs followed by an output nonlinearity. <strong><span style=\"color: #ff0000;\">Our study not only proves the existence of disparity sensitive neurons in an insect brain, it also reveals feedback connections hitherto undiscovered in any animal species.<\/span><\/strong><\/p>\n<p style=\"text-align: justify;\">For further info, please read the paper Rosner et al. 2019 and the report\u00a0\u00a0<a href=\"https:\/\/www.ncl.ac.uk\/press\/articles\/latest\/2019\/06\/neuronfor3ddiscovered\/\">Brain cells for 3D vision discovered<\/a><\/p>\n<p style=\"text-align: justify;\">Ronny Rosner, Joss von Hadeln, Ghaith Tarawneh &amp; Jenny C. A. Read. <a href=\"https:\/\/www.nature.com\/articles\/s41467-019-10721-z\"><strong>A neuronal correlate of insect stereopsis<\/strong><\/a>.\u00a0Nature Communications volume 10, Article number: 2845 (2019)\u00a0<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/www.ncl.ac.uk\/press\/articles\/latest\/2019\/06\/neuronfor3ddiscovered\/\">Brain cells for 3D vision discovered<\/a>\u00a0Newcastle University News<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ronny Rosner, Joss von Hadeln, Ghaith Tarawneh &amp; Jenny C. A. Read. A neuronal correlate of insect stereopsis.\u00a0Nature Communications volume 10, Article number: 2845 (2019)\u00a0 Abstract A puzzle for neuroscience\u2014and robotics\u2014is how insects achieve surprisingly complex behaviours with such tiny brains. One example is depth perception via binocular stereopsis in the praying mantis, a predatory [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[479],"tags":[517,518],"_links":{"self":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/1969"}],"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=1969"}],"version-history":[{"count":1,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/1969\/revisions"}],"predecessor-version":[{"id":1970,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=\/wp\/v2\/posts\/1969\/revisions\/1970"}],"wp:attachment":[{"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1969"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1969"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/braininspirednavigation.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1969"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}