{"id":7740,"date":"2026-05-02T18:38:34","date_gmt":"2026-05-02T16:38:34","guid":{"rendered":"https:\/\/museumnachtleiden.nl\/programma\/a-topsy-turvy-world\/"},"modified":"2026-05-02T18:38:34","modified_gmt":"2026-05-02T16:38:34","slug":"a-topsy-turvy-world","status":"publish","type":"programma","link":"https:\/\/museumnachtleiden.nl\/en\/program\/a-topsy-turvy-world\/","title":{"rendered":"A topsy-turvy world"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">\u2018The Innsbruck Goggle Experiments\u2019 sound intriguing and slightly dubious. This research from the fifties studied the subjectivity of perception. The test subjects wore -all day long- special glasses that turned their vision upside down. Up was down, and down was up. After multiple days of blundering, something very special happened. Averaging from day six, their brains switched the images once again, through these glasses they now saw the world as they normally would. A remarkable feat of adaption by the brain! Try it yourself, will you successfully walk the obstacle course with our upside-down-glasses     Vanaf gemiddeld de zesde dag draaide hun brein vanzelf het beeld weer om, ze zagen alles door de bril hetzelfde als dat ze het normaal zouden doen. Een bijzonder aanpassingsvermogen van het brein! Probeer het deze avond zelf ook, loop je met succes een parcours af met deze opmerkelijke omkeer b  <\/span><span style=\"font-weight: 400;\">?<\/span><\/p>\n<p><span style=\"font-weight: 400;\"> <img fetchpriority=\"high\" decoding=\"async\" class=\" wp-image-7736 alignnone\" src=\"https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/05\/Foto_Rijksmuseum-Boerhaave_De-omgekeerde-wereld-1024x734.jpg\" alt=\"\" width=\"668\" height=\"479\" srcset=\"https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/05\/Foto_Rijksmuseum-Boerhaave_De-omgekeerde-wereld-1024x734.jpg 1024w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/05\/Foto_Rijksmuseum-Boerhaave_De-omgekeerde-wereld-300x215.jpg 300w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/05\/Foto_Rijksmuseum-Boerhaave_De-omgekeerde-wereld-768x550.jpg 768w, https:\/\/museumnachtleiden.nl\/wp-content\/uploads\/2026\/05\/Foto_Rijksmuseum-Boerhaave_De-omgekeerde-wereld.jpg 1090w\" sizes=\"(max-width: 668px) 100vw, 668px\" \/><\/span><\/p>\n","protected":false},"featured_media":7739,"parent":0,"template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"class_list":["post-7740","programma","type-programma","status-publish","has-post-thumbnail","hentry"],"_links":{"self":[{"href":"https:\/\/museumnachtleiden.nl\/en\/wp-json\/wp\/v2\/programma\/7740","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/museumnachtleiden.nl\/en\/wp-json\/wp\/v2\/programma"}],"about":[{"href":"https:\/\/museumnachtleiden.nl\/en\/wp-json\/wp\/v2\/types\/programma"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/museumnachtleiden.nl\/en\/wp-json\/wp\/v2\/media\/7739"}],"wp:attachment":[{"href":"https:\/\/museumnachtleiden.nl\/en\/wp-json\/wp\/v2\/media?parent=7740"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}