{"id":55450,"date":"2026-02-18T15:20:49","date_gmt":"2026-02-18T15:20:49","guid":{"rendered":"https:\/\/www.mediconanet.pt\/?p=55450"},"modified":"2026-02-23T10:21:36","modified_gmt":"2026-02-23T10:21:36","slug":"perda-de-memoria-declinio-cognitivo","status":"publish","type":"post","link":"https:\/\/www.mediconanet.pt\/en\/perda-de-memoria-declinio-cognitivo\/","title":{"rendered":"Perda de mem\u00f3ria e decl\u00ednio cognitivo: causas, sinais precoces e diagn\u00f3stico"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"55450\" class=\"elementor elementor-55450\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6bd653a e-flex e-con-boxed e-con e-parent\" data-id=\"6bd653a\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-cca3e6b elementor-widget elementor-widget-heading\" data-id=\"cca3e6b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Introdu\u00e7\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5f2c530 elementor-widget elementor-widget-text-editor\" data-id=\"5f2c530\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A <strong data-start=\"681\" data-end=\"701\">perda de mem\u00f3ria<\/strong> preocupa muitas pessoas, especialmente com o aumento da longevidade. Nem todos os esquecimentos indicam uma doen\u00e7a grave; no entanto, podem ser um sinal precoce de decl\u00ednio cognitivo. Uma revis\u00e3o publicada no <em data-start=\"911\" data-end=\"917\">JAMA<\/em> sobre diagn\u00f3stico e gest\u00e3o da dem\u00eancia explica que a mem\u00f3ria envolve tr\u00eas processos fundamentais: registar informa\u00e7\u00e3o, armazenar e recuperar. Altera\u00e7\u00f5es em qualquer uma destas etapas podem resultar em diferentes formas de perda de mem\u00f3ria, com impacto vari\u00e1vel no quotidiano.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e7dcd0 elementor-widget elementor-widget-heading\" data-id=\"3e7dcd0\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">D\u00e9fice cognitivo ligeiro (MCI) vs. dem\u00eancia<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a3c051d elementor-widget elementor-widget-heading\" data-id=\"a3c051d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">O que \u00e9 o d\u00e9fice cognitivo ligeiro?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-542f0da elementor-widget elementor-widget-text-editor\" data-id=\"542f0da\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"1296\" data-end=\"1584\">O d\u00e9fice cognitivo ligeiro (MCI) representa um estado interm\u00e9dio entre o envelhecimento normal e a dem\u00eancia. Caracteriza-se por <strong data-start=\"1424\" data-end=\"1457\">decl\u00ednio cognitivo detect\u00e1vel<\/strong>, frequentemente envolvendo perda de mem\u00f3ria, mas com preserva\u00e7\u00e3o da autonomia nas actividades di\u00e1rias.<br data-start=\"1566\" data-end=\"1569\" \/>O MCI pode ser:<\/p><ul><li data-start=\"1587\" data-end=\"1644\"><strong data-start=\"1587\" data-end=\"1600\">Amn\u00e9stico<\/strong>, quando a perda de mem\u00f3ria \u00e9 predominante<\/li><li data-start=\"1587\" data-end=\"1644\"><strong data-start=\"1647\" data-end=\"1664\">N\u00e3o amn\u00e9stico<\/strong>, quando afecta outras fun\u00e7\u00f5es cognitivas, como aten\u00e7\u00e3o ou linguagem<\/li><\/ul><p data-start=\"1736\" data-end=\"1833\">Nem todas as pessoas com MCI evoluem para dem\u00eancia, mas o risco \u00e9 superior ao da popula\u00e7\u00e3o geral.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a72c9dc elementor-widget elementor-widget-heading\" data-id=\"a72c9dc\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">E a dem\u00eancia?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8ad1c37 elementor-widget elementor-widget-text-editor\" data-id=\"8ad1c37\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A dem\u00eancia \u00e9 um s\u00edndrome cl\u00ednico caracterizado por <strong data-start=\"1905\" data-end=\"1949\">decl\u00ednio progressivo da fun\u00e7\u00e3o cognitiva<\/strong>, com impacto significativo na autonomia. A doen\u00e7a de Alzheimer \u00e9 a causa mais frequente e manifesta-se inicialmente por perda de mem\u00f3ria epis\u00f3dica, como esquecer compromissos, repetir perguntas ou dificuldades em aprender informa\u00e7\u00e3o nova.<br data-start=\"2194\" data-end=\"2197\" \/>Outros tipos incluem a dem\u00eancia vascular, com progress\u00e3o em etapas, e as dem\u00eancias frontotemporais, que afectam sobretudo o comportamento e a linguagem.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-100fd3b elementor-widget elementor-widget-heading\" data-id=\"100fd3b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Factores de risco e factores protectores<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fec05c7 elementor-widget elementor-widget-text-editor\" data-id=\"fec05c7\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A perda de mem\u00f3ria e o decl\u00ednio cognitivo est\u00e3o associados a factores de risco <strong data-start=\"2480\" data-end=\"2500\">n\u00e3o modific\u00e1veis<\/strong>, como idade avan\u00e7ada e predisposi\u00e7\u00e3o gen\u00e9tica, e <strong data-start=\"2550\" data-end=\"2566\">modific\u00e1veis<\/strong>, como hipertens\u00e3o, diabetes, dislipidemia, obesidade, traumatismo craniano e depress\u00e3o.<br data-start=\"2666\" data-end=\"2669\" \/>H\u00e1 ainda associa\u00e7\u00e3o com consumo excessivo de \u00e1lcool, tabagismo, isolamento social e baixa escolaridade.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ee6e360 elementor-widget elementor-widget-heading\" data-id=\"ee6e360\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quais s\u00e3o os factores protectores?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2b68fd9 elementor-widget elementor-widget-text-editor\" data-id=\"2b68fd9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"2814\" data-end=\"2872\">Medidas que ajudam a preservar a fun\u00e7\u00e3o cognitiva incluem:<\/p><ul><li data-start=\"2875\" data-end=\"2896\">Dieta mediterr\u00e2nica<\/li><li data-start=\"2875\" data-end=\"2896\">Actividade f\u00edsica regular<\/li><li data-start=\"2875\" data-end=\"2896\">Est\u00edmulo intelectual cont\u00ednuo (leitura, jogos cognitivos)<\/li><li data-start=\"2875\" data-end=\"2896\">Socializa\u00e7\u00e3o<\/li><li data-start=\"2875\" data-end=\"2896\">Controlo rigoroso de factores de risco cardiovascular<\/li><li data-start=\"2875\" data-end=\"2896\">Sono adequado<\/li><\/ul><p data-start=\"3083\" data-end=\"3200\">Estas estrat\u00e9gias reduzem o risco de perda de mem\u00f3ria e podem atrasar a progress\u00e3o do decl\u00ednio cognitivo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f4bd28e elementor-widget elementor-widget-heading\" data-id=\"f4bd28e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Sinais precoces e diagn\u00f3stico<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-403f3a6 elementor-widget elementor-widget-heading\" data-id=\"403f3a6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Quais sinais devo procurar?<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f2b0007 elementor-widget elementor-widget-text-editor\" data-id=\"f2b0007\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"3275\" data-end=\"3340\">Alguns sinais de alerta para perda de mem\u00f3ria patol\u00f3gica incluem:<\/p><ul><li data-start=\"3343\" data-end=\"3387\">Esquecimentos que interferem no quotidiano<\/li><li data-start=\"3343\" data-end=\"3387\">Dificuldade em encontrar palavras<\/li><li data-start=\"3343\" data-end=\"3387\">Desorienta\u00e7\u00e3o em locais familiares<\/li><li data-start=\"3343\" data-end=\"3387\">Altera\u00e7\u00f5es de humor ou personalidade<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a648d0b elementor-widget elementor-widget-heading\" data-id=\"a648d0b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Como \u00e9 feito o diagn\u00f3stico?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-bfd2f9c elementor-widget elementor-widget-text-editor\" data-id=\"bfd2f9c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>O diagn\u00f3stico baseia-se numa avalia\u00e7\u00e3o cl\u00ednica detalhada, testes cognitivos (Mini-Mental, MoCA) e exames complementares para excluir causas revers\u00edveis, como d\u00e9fices vitam\u00ednicos ou altera\u00e7\u00f5es da tir\u00f3ide.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-13d0e96 elementor-widget elementor-widget-image\" data-id=\"13d0e96\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo.webp\" class=\"attachment-large size-large wp-image-55883\" alt=\"Decl\u00ednio cognitivo e perda de mem\u00f3ria em adultos\" srcset=\"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo.webp 1024w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo-300x300.webp 300w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo-150x150.webp 150w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo-768x768.webp 768w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo-12x12.webp 12w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo-600x600.webp 600w, https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-declinio-cognitivo-100x100.webp 100w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e41a9df elementor-widget elementor-widget-heading\" data-id=\"e41a9df\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Quando devo consultar um profissional?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2952292 elementor-widget elementor-widget-text-editor\" data-id=\"2952292\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Se a perda de mem\u00f3ria persistir ou se agravar ao longo de meses, \u00e9 essencial procurar avalia\u00e7\u00e3o m\u00e9dica. A detec\u00e7\u00e3o precoce permite intervir em factores modific\u00e1veis, planear cuidados e melhorar a qualidade de vida.<\/p><p>Na <strong data-start=\"3805\" data-end=\"3822\">M\u00e9dico na Net<\/strong>, \u00e9 poss\u00edvel agendar uma <a href=\"https:\/\/www.mediconanet.pt\/produto\/consulta-online-de-perda-de-memoria\/\"><strong data-start=\"3847\" data-end=\"3929\">consulta m\u00e9dica online para avalia\u00e7\u00e3o da perda de mem\u00f3ria e decl\u00ednio cognitivo<\/strong><\/a>, onde profissionais de sa\u00fade analisam o historial cl\u00ednico, sintomas, factores de risco e impacto funcional. Atrav\u00e9s de acompanhamento m\u00e9dico \u00e0 dist\u00e2ncia, \u00e9 poss\u00edvel orientar exames, esclarecer d\u00favidas, identificar causas revers\u00edveis e definir estrat\u00e9gias de seguimento adequadas, com confidencialidade e foco na preserva\u00e7\u00e3o da sa\u00fade cognitiva.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-52906d8 e-flex e-con-boxed e-con e-parent\" data-id=\"52906d8\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-7b3bf47 e-con-full e-flex e-con e-child\" data-id=\"7b3bf47\" data-element_type=\"container\">\n\t\t<div class=\"elementor-element elementor-element-5495848 e-con-full e-flex e-con e-child\" data-id=\"5495848\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-61a3538 elementor-widget elementor-widget-heading\" data-id=\"61a3538\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Perguntas frequentes (FAQ)<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d94a946 elementor-widget elementor-widget-n-accordion\" data-id=\"d94a946\" data-element_type=\"widget\" data-settings=\"{&quot;default_state&quot;:&quot;all_collapsed&quot;,&quot;max_items_expended&quot;:&quot;one&quot;,&quot;n_accordion_animation_duration&quot;:{&quot;unit&quot;:&quot;ms&quot;,&quot;size&quot;:400,&quot;sizes&quot;:[]}}\" data-widget_type=\"nested-accordion.default\">\n\t\t\t\t\t\t\t<div class=\"e-n-accordion\" aria-label=\"Accordion. Open links with Enter or Space, close with Escape, and navigate with Arrow Keys\">\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2270\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"1\" tabindex=\"0\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2270\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Perder mem\u00f3ria \u00e9 sempre sinal de dem\u00eancia? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2270\" class=\"elementor-element elementor-element-42c92c9 e-con-full e-flex e-con e-child\" data-id=\"42c92c9\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2270\" class=\"elementor-element elementor-element-3655ec6 e-flex e-con-boxed e-con e-child\" data-id=\"3655ec6\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d627cd elementor-widget elementor-widget-text-editor\" data-id=\"0d627cd\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>N\u00e3o. A perda de mem\u00f3ria pode estar associada a stress, ansiedade, priva\u00e7\u00e3o de sono ou depress\u00e3o. A dem\u00eancia implica decl\u00ednio progressivo e perda de autonomia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2271\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"2\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2271\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> O d\u00e9fice cognitivo ligeiro evolui sempre para dem\u00eancia? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2271\" class=\"elementor-element elementor-element-9a5b658 e-con-full e-flex e-con e-child\" data-id=\"9a5b658\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2271\" class=\"elementor-element elementor-element-ec45e4c e-flex e-con-boxed e-con e-child\" data-id=\"ec45e4c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d671c30 elementor-widget elementor-widget-text-editor\" data-id=\"d671c30\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>N\u00e3o. Muitos casos permanecem est\u00e1veis ou at\u00e9 melhoram quando factores modific\u00e1veis s\u00e3o tratados<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2272\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"3\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2272\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> \u00c9 poss\u00edvel prevenir a perda de mem\u00f3ria? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2272\" class=\"elementor-element elementor-element-b4a4319 e-con-full e-flex e-con e-child\" data-id=\"b4a4319\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2272\" class=\"elementor-element elementor-element-bda569c e-flex e-con-boxed e-con e-child\" data-id=\"bda569c\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d8a3b95 elementor-widget elementor-widget-text-editor\" data-id=\"d8a3b95\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Adoptar h\u00e1bitos saud\u00e1veis, controlar factores cardiovasculares e manter actividade intelectual reduz o risco de decl\u00ednio cognitivo.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2273\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"4\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2273\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> A depress\u00e3o pode causar perda de mem\u00f3ria? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2273\" class=\"elementor-element elementor-element-989edae e-con-full e-flex e-con e-child\" data-id=\"989edae\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2273\" class=\"elementor-element elementor-element-021e427 e-flex e-con-boxed e-con e-child\" data-id=\"021e427\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1aceee9 elementor-widget elementor-widget-text-editor\" data-id=\"1aceee9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>Sim. A depress\u00e3o pode provocar dificuldades cognitivas que simulam dem\u00eancia, conhecidas como pseudo-dem\u00eancia.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t\t<details id=\"e-n-accordion-item-2274\" class=\"e-n-accordion-item\" >\n\t\t\t\t<summary class=\"e-n-accordion-item-title\" data-accordion-index=\"5\" tabindex=\"-1\" aria-expanded=\"false\" aria-controls=\"e-n-accordion-item-2274\" >\n\t\t\t\t\t<span class='e-n-accordion-item-title-header'><div class=\"e-n-accordion-item-title-text\"> Que m\u00e9dico devo procurar em caso de perda de mem\u00f3ria? <\/div><\/span>\n\t\t\t\t\t\t\t<span class='e-n-accordion-item-title-icon'>\n\t\t\t<span class='e-opened' ><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-minus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h384c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t\t<span class='e-closed'><svg aria-hidden=\"true\" class=\"e-font-icon-svg e-fas-plus\" viewBox=\"0 0 448 512\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><path d=\"M416 208H272V64c0-17.67-14.33-32-32-32h-32c-17.67 0-32 14.33-32 32v144H32c-17.67 0-32 14.33-32 32v32c0 17.67 14.33 32 32 32h144v144c0 17.67 14.33 32 32 32h32c17.67 0 32-14.33 32-32V304h144c17.67 0 32-14.33 32-32v-32c0-17.67-14.33-32-32-32z\"><\/path><\/svg><\/span>\n\t\t<\/span>\n\n\t\t\t\t\t\t<\/summary>\n\t\t\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2274\" class=\"elementor-element elementor-element-da42528 e-con-full e-flex e-con e-child\" data-id=\"da42528\" data-element_type=\"container\">\n\t\t<div role=\"region\" aria-labelledby=\"e-n-accordion-item-2274\" class=\"elementor-element elementor-element-6f4de0e e-flex e-con-boxed e-con e-child\" data-id=\"6f4de0e\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9a130df elementor-widget elementor-widget-text-editor\" data-id=\"9a130df\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"6119\" data-end=\"6336\">O m\u00e9dico de fam\u00edlia \u00e9 o primeiro contacto. Neurologistas, geriatras e psiquiatras podem complementar a avalia\u00e7\u00e3o, frequentemente com apoio de neuropsic\u00f3logos.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/details>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<script type=\"application\/ld+json\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Perder mem\\u00f3ria \\u00e9 sempre sinal de dem\\u00eancia?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"N\\u00e3o. A perda de mem\\u00f3ria pode estar associada a stress, ansiedade, priva\\u00e7\\u00e3o de sono ou depress\\u00e3o. A dem\\u00eancia implica decl\\u00ednio progressivo e perda de autonomia.\"}},{\"@type\":\"Question\",\"name\":\"O d\\u00e9fice cognitivo ligeiro evolui sempre para dem\\u00eancia?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"N\\u00e3o. Muitos casos permanecem est\\u00e1veis ou at\\u00e9 melhoram quando factores modific\\u00e1veis s\\u00e3o tratados\"}},{\"@type\":\"Question\",\"name\":\"\\u00c9 poss\\u00edvel prevenir a perda de mem\\u00f3ria?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Adoptar h\\u00e1bitos saud\\u00e1veis, controlar factores cardiovasculares e manter actividade intelectual reduz o risco de decl\\u00ednio cognitivo.\"}},{\"@type\":\"Question\",\"name\":\"A depress\\u00e3o pode causar perda de mem\\u00f3ria?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Sim. A depress\\u00e3o pode provocar dificuldades cognitivas que simulam dem\\u00eancia, conhecidas como pseudo-dem\\u00eancia.\"}},{\"@type\":\"Question\",\"name\":\"Que m\\u00e9dico devo procurar em caso de perda de mem\\u00f3ria?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"O m\\u00e9dico de fam\\u00edlia \\u00e9 o primeiro contacto. Neurologistas, geriatras e psiquiatras podem complementar a avalia\\u00e7\\u00e3o, frequentemente com apoio de neuropsic\\u00f3logos.\"}}]}<\/script>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2739838 e-flex e-con-boxed e-con e-parent\" data-id=\"2739838\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-f7cb2a1 elementor-widget elementor-widget-heading\" data-id=\"f7cb2a1\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Conclus\u00e3o<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6eed5aa elementor-widget elementor-widget-text-editor\" data-id=\"6eed5aa\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p>A <strong data-start=\"5563\" data-end=\"5583\">perda de mem\u00f3ria<\/strong> \u00e9 um sinal que merece aten\u00e7\u00e3o cl\u00ednica. Distinguir entre envelhecimento normal, d\u00e9fice cognitivo ligeiro e dem\u00eancia permite interven\u00e7\u00f5es precoces e melhor planeamento de cuidados. O controlo de factores de risco e a adop\u00e7\u00e3o de estilos de vida saud\u00e1veis desempenham um papel central na preserva\u00e7\u00e3o da fun\u00e7\u00e3o cognitiva e na melhoria da qualidade de vida.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1da7aa8 elementor-widget elementor-widget-heading\" data-id=\"1da7aa8\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Refer\u00eancias<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-345c85e elementor-widget elementor-widget-text-editor\" data-id=\"345c85e\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><a href=\"https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2781046\" rel=\"dofollow noopener\" target=\"_blank\"><strong data-start=\"6278\" data-end=\"6325\">JAMA \u2013 <\/strong>Diagnosis and Management of Dementia<\/a><\/p><p><strong data-start=\"6391\" data-end=\"6460\"><a href=\"https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2781047\" rel=\"nofollow noopener\" target=\"_blank\">J<\/a><a href=\"https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2781047\" rel=\"nofollow noopener\" target=\"_blank\">AMA \u2013 <\/a><\/strong><a href=\"https:\/\/jamanetwork.com\/journals\/jama\/fullarticle\/2781047\" rel=\"nofollow noopener\" target=\"_blank\">Mild Cognitive Impairment: Clinical Features and Diagnosis<\/a><\/p><p><a href=\"https:\/\/www.ncbi.nlm.nih.gov\/books\/NBK559191\/\" rel=\"nofollow noopener\" target=\"_blank\"><strong data-start=\"6526\" data-end=\"6568\">StatPearls \u2013 <\/strong>Mild Cognitive Impairment<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o A perda de mem\u00f3ria preocupa muitas pessoas, especialmente com o aumento da longevidade. Nem todos os esquecimentos indicam uma doen\u00e7a grave; no entanto, podem ser um sinal precoce de decl\u00ednio cognitivo. Uma revis\u00e3o publicada no JAMA sobre diagn\u00f3stico e gest\u00e3o da dem\u00eancia explica que a mem\u00f3ria envolve tr\u00eas processos fundamentais: registar informa\u00e7\u00e3o, armazenar e [&hellip;]<\/p>\n","protected":false},"author":2964,"featured_media":55881,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[184],"tags":[],"class_list":["post-55450","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-saude-mental"],"jetpack_featured_media_url":"https:\/\/www.mediconanet.pt\/wp-content\/uploads\/2026\/02\/perda-de-memoria-e-declinio-cognitivo.webp","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/55450","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/users\/2964"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/comments?post=55450"}],"version-history":[{"count":10,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/55450\/revisions"}],"predecessor-version":[{"id":55886,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/posts\/55450\/revisions\/55886"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/media\/55881"}],"wp:attachment":[{"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/media?parent=55450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/categories?post=55450"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mediconanet.pt\/en\/wp-json\/wp\/v2\/tags?post=55450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}