{"id":16,"date":"2026-03-07T20:40:29","date_gmt":"2026-03-07T20:40:29","guid":{"rendered":"http:\/\/everydaycurious.co.uk\/?p=16"},"modified":"2026-03-08T14:46:23","modified_gmt":"2026-03-08T14:46:23","slug":"why-do-we-get-deja-vu","status":"publish","type":"post","link":"https:\/\/everydaycurious.co.uk\/?p=16","title":{"rendered":"Why do we get d\u00e9j\u00e0 vu?"},"content":{"rendered":"\n<p>Have you ever had the strange feeling that a moment is repeating itself \u2014 as if you\u2019ve somehow lived through it before? That oddly familiar sensation is called&nbsp;d\u00e9j\u00e0 vu, and most people experience it at least once in their lives.<\/p>\n\n\n\n<p>It can feel a bit eerie, like your brain has skipped ahead in time. But despite how mysterious it seems, d\u00e9j\u00e0 vu is usually just a small quirk in how our brains handle memories.<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-border-color has-background is-layout-constrained wp-container-core-group-is-layout-f611be13 wp-block-group-is-layout-constrained\" style=\"border-color:#e6e6e6;border-width:1px;border-top-left-radius:12px;border-top-right-radius:12px;border-bottom-left-radius:12px;border-bottom-right-radius:12px;background-color:#e6f3f2;padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<h2 class=\"wp-block-heading has-medium-font-size\">\ud83d\udca1 Here\u2019s the gist<\/h2>\n\n\n\n<p class=\"has-background\" style=\"background-color:#e6f3f2\">D\u00e9j\u00e0 vu probably happens when the brain briefly mistakes a new experience for a memory. For a split second, the brain thinks the moment has already happened \u2014 which creates that eerie feeling of familiarity.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">1. A small memory mix-up<\/h2>\n\n\n\n<p>One popular theory is that d\u00e9j\u00e0 vu occurs when the brain\u2019s memory system briefly misfires. Normally, the brain stores new experiences and recognises old ones separately. But sometimes the signals overlap.<\/p>\n\n\n\n<p>When that happens, the brain can momentarily treat a brand-new situation as if it\u2019s something you&#8217;ve experienced before \u2014 even though you haven\u2019t.<\/p>\n\n\n\n<p>For a second or two, your brain is basically saying, \u201cHang on\u2026 haven\u2019t we done this already?\u201d<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. The brain loves recognising patterns<\/h2>\n\n\n\n<p>Our brains are incredibly good at spotting patterns. If something about a situation feels even slightly familiar \u2014 a room layout, a smell, a voice, or a sequence of events \u2014 the brain may trigger a sense of recognition.<\/p>\n\n\n\n<p>That recognition can arrive before the brain has fully processed the new experience, leaving you with the odd sensation that the moment has already happened.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. Younger people experience it more often<\/h2>\n\n\n\n<p>Interestingly, d\u00e9j\u00e0 vu tends to happen more often in younger adults, particularly people between their teens and early thirties.<\/p>\n\n\n\n<p>Scientists think this may be because younger brains are constantly forming new memories and making connections, which increases the chances of the occasional memory mix-up.<\/p>\n\n\n\n<div class=\"wp-block-group is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-group has-border-color has-background is-layout-constrained wp-container-core-group-is-layout-f611be13 wp-block-group-is-layout-constrained\" style=\"border-color:#e6e6e6;border-width:1px;border-top-left-radius:12px;border-top-right-radius:12px;border-bottom-left-radius:12px;border-bottom-right-radius:12px;background-color:#fff4e5;padding-top:var(--wp--preset--spacing--50);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--50);padding-left:var(--wp--preset--spacing--50)\">\n<h2 class=\"wp-block-heading has-text-align-left has-background has-medium-font-size\" style=\"background-color:#fff4e5;padding-top:var(--wp--preset--spacing--20);padding-right:var(--wp--preset--spacing--50);padding-bottom:var(--wp--preset--spacing--20);padding-left:var(--wp--preset--spacing--50)\">\ud83d\udcad Curious thought<\/h2>\n\n\n\n<p style=\"padding-top:0;padding-right:var(--wp--preset--spacing--60);padding-bottom:0;padding-left:var(--wp--preset--spacing--60)\">Some scientists believe d\u00e9j\u00e0 vu may actually be your brain double-checking new experiences against stored memories. In other words, your brain might simply be running a very quick \u201cHave we seen this before?\u201d scan.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">You might also wonder&#8230;<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Why do we dream?<\/li>\n\n\n\n<li>Why do we wake up at 3am?<\/li>\n\n\n\n<li>Why do onions make us cry?<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Have you ever had the strange feeling that a moment is repeating itself \u2014 as if you\u2019ve somehow lived through it before? That oddly familiar sensation is called&nbsp;d\u00e9j\u00e0 vu, and most people experience it at least once in their lives. It can feel a bit eerie, like your brain has skipped ahead in time. But [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":36,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"right-sidebar","site-content-layout":"","ast-site-content-layout":"normal-width-container","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":"","adv-header-id-meta":"","stick-header-meta":"","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[6],"tags":[],"class_list":["post-16","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-psychology"],"_links":{"self":[{"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/16","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=16"}],"version-history":[{"count":4,"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/16\/revisions"}],"predecessor-version":[{"id":94,"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=\/wp\/v2\/posts\/16\/revisions\/94"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=\/wp\/v2\/media\/36"}],"wp:attachment":[{"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=16"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/everydaycurious.co.uk\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}