{"id":29895,"date":"2025-06-25T09:49:16","date_gmt":"2025-06-25T07:49:16","guid":{"rendered":"https:\/\/www.previsorageneral.com\/?p=29895"},"modified":"2025-06-25T09:49:16","modified_gmt":"2025-06-25T07:49:16","slug":"per-que-ens-quedem-en-blanc","status":"publish","type":"post","link":"https:\/\/www.previsorageneral.com\/ca\/per-que-ens-quedem-en-blanc\/","title":{"rendered":"Per qu\u00e8 a vegades ens quedem en blanc?"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">T\u2019ha passat mai d\u2019estar en un examen o enmig d\u2019una conversa important i, de sobte, et quedes en blanc? Aquest habitual fenomen ha generat moltes inc\u00f2gnites al llarg del temps <\/span><strong>a causa de la seva falta d\u2019explicaci\u00f3 clara<\/strong><span style=\"font-weight: 400;\">. Ara, un equip internacional de neurocient\u00edfics i fil\u00f2sofs ha analitzat en profunditat aquest estat mental, <\/span><a href=\"https:\/\/www.cell.com\/trends\/cognitive-sciences\/fulltext\/S1364-6613(25)00034-8?rss=yes\"><span style=\"font-weight: 400;\">donant resposta al com i per qu\u00e8 passa<\/span><\/a><span style=\"font-weight: 400;\">. T\u2019ho expliquem!<\/span><\/p> <h2><b>Per qu\u00e8 ens quedem en blanc?<\/b><\/h2> <p><span style=\"font-weight: 400;\">Quedar-se en blanc o desconnectar de manera immediata i involunt\u00e0ria t\u00e9 una base neurofisiol\u00f2gica concreta: <\/span><strong>aquest estat mental succeeix quan hi ha un desajust en els nivells d\u2019activaci\u00f3 cerebral<\/strong><span style=\"font-weight: 400;\">, fet que impedeix el funcionament normal de processos com la mem\u00f2ria, l\u2019atenci\u00f3 i el llenguatge.\u00a0<\/span><\/p> <p><span style=\"font-weight: 400;\">Segons els investigadors de l\u2019estudi, tant els estats d\u2019excitaci\u00f3 cerebral elevats com els molt baixos poden conduir a aquesta desconnexi\u00f3. Per aix\u00f2, sovint s\u2019ha associat aquest fenomen a la fatiga o l\u2019estr\u00e8s sostingut, ja que <\/span><strong>se sol experimentar amb major freq\u00fc\u00e8ncia despr\u00e9s d\u2019estats mentals exigents i episodis de poc descans<\/strong><span style=\"font-weight: 400;\">.<\/span><\/p> <h2><b>Un estat necessari per al cervell<\/b><\/h2> <p><span style=\"font-weight: 400;\">Quan ens quedem en blanc, <\/span><strong>el cervell entra en un estat similar a quan somiem<\/strong><span style=\"font-weight: 400;\">.\u00a0 Per aix\u00f2, quan succeeix, algunes regions cerebrals entren en un estat de descans momentani, mentre que la resta de l\u2019organisme continua despert. Els humans, de mitjana, <\/span><strong>passem entre un 5% i un 20% del nostre temps amb aquest estat<\/strong><span style=\"font-weight: 400;\">. Ara b\u00e9, aquest fet, <\/span><strong>lluny de ser perjudicial<\/strong><span style=\"font-weight: 400;\">, \u00e9s considerat pels investigadors un estat din\u00e0mic i fisiol\u00f2gic que <\/span><strong>pot ajudar el cervell a recuperar-se dels per\u00edodes d\u2019alta demanda cognitiva<\/strong><span style=\"font-weight: 400;\">.<\/span><\/p> <p><span style=\"font-weight: 400;\">Quedar-se en blanc \u00e9s, doncs, un estat m\u00e9s de consci\u00e8ncia, sovint necessari per a mantenir l\u2019equilibri mental. Aix\u00ed que, la pr\u00f2xima vegada que et passi, no t\u2019angoixis: potser el teu cervell simplement et demana una pausa per recuperar-se i continuar amb m\u00e9s claredat.<\/span><\/p> <p><span style=\"font-weight: 400;\">Si aquest article ha estat del teu inter\u00e8s consulta la resta de <\/span><a href=\"https:\/\/www.previsorageneral.com\/ca\/blog\/\"><span style=\"font-weight: 400;\">blogs de Previsora General<\/span><\/a><span style=\"font-weight: 400;\">.<\/span><\/p>","protected":false},"excerpt":{"rendered":"<p>T\u2019ha passat mai d\u2019estar en un examen o enmig d\u2019una conversa important i, de sobte, et quedes en blanc? Aquest habitual fenomen ha generat moltes inc\u00f2gnites al llarg del temps a causa de la seva falta d\u2019explicaci\u00f3 clara. Ara, un&hellip;<\/p>\n","protected":false},"author":1,"featured_media":29897,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[5674,2320],"tags":[6025,3375,3896,6024,6022,6026,6020,6021,6023,6027],"post_series":[],"class_list":["post-29895","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-salut-3","category-salut-emocional","tag-blanc","tag-cervell","tag-dormir","tag-en","tag-ens","tag-necessari","tag-per","tag-que","tag-quedem","tag-similar","entry","has-media"],"_links":{"self":[{"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/posts\/29895","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/comments?post=29895"}],"version-history":[{"count":1,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/posts\/29895\/revisions"}],"predecessor-version":[{"id":29896,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/posts\/29895\/revisions\/29896"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/media\/29897"}],"wp:attachment":[{"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/media?parent=29895"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/categories?post=29895"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/tags?post=29895"},{"taxonomy":"post_series","embeddable":true,"href":"https:\/\/www.previsorageneral.com\/ca\/wp-json\/wp\/v2\/post_series?post=29895"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}