{"id":435,"date":"2025-11-29T14:31:55","date_gmt":"2025-11-29T14:31:55","guid":{"rendered":"https:\/\/cabinet-psihoterapie-consiliere.ro\/wp\/?p=435"},"modified":"2026-04-19T12:30:58","modified_gmt":"2026-04-19T12:30:58","slug":"neurobiologia-pierderii-psihologice-ce-dezvaluie-extracelulara-amigdalei-despre-reactiile-noastre-la-pierdere","status":"publish","type":"post","link":"https:\/\/cabinet-psihoterapie-consiliere.ro\/?p=435","title":{"rendered":"Neurobiologia pierderii psihologice. Ce dezv\u0103luie extracelulara amigdalei despre reac\u021biile noastre la pierdere"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"435\" class=\"elementor elementor-435\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-69c76829 e-flex e-con-boxed e-con e-parent\" data-id=\"69c76829\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-89ce4f elementor-widget elementor-widget-text-editor\" data-id=\"89ce4f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t\n<p class=\"wp-block-paragraph\">Pierderea psihologic\u0103 influen\u021beaz\u0103 semnificativ via\u021ba cotidian\u0103, mai mult dec\u00e2t ar putea fi anticipat. Aceasta poate ap\u0103rea \u00een urma concedierilor, decesele persoanelor apropiate sau dispari\u021bia sentimentului de securitate. De\u0219i suntem familiariza\u021bi cu efectele emo\u021bionale, procesele neurobiologice implicate r\u0103m\u00e2neau neexplorate. Un studiu realizat de Universitatea din Cincinnati ofer\u0103 acum perspective clare asupra mecanismelor moleculare activate \u00een cazul experien\u021belor de pierdere.<\/p>\n\n<p class=\"wp-block-paragraph\">Cum po\u021bi studia pierderea la nivel molecular<\/p>\n\n<p class=\"wp-block-paragraph\">Cercet\u0103torii au folosit o metod\u0103 numit\u0103 eliminarea \u00eembog\u0103\u021birii (Environmental Enrichment Removal, ER). Animalele sunt crescute timp de c\u00e2teva s\u0103pt\u0103m\u00e2ni \u00eentr-un mediu bogat \u00een juc\u0103rii, structuri de explorat \u0219i contact social, apoi sunt mutate \u00eentr-un spa\u021biu simplificat \u0219i lipsit de stimulare. Aceast\u0103 trecere brusc\u0103 produce un model valid de pierdere psihologic\u0103.<\/p>\n\n<p class=\"wp-block-paragraph\">Analiz\u00e2nd creierul dup\u0103 aceast\u0103 perioad\u0103, echipa a identificat o regiune care r\u0103spunde puternic la schimbare: amigdala bazolateral\u0103 (BLA), cunoscut\u0103 pentru rolul ei \u00een procesarea stresului, a emo\u021biilor \u0219i a adapt\u0103rii comportamentale.<\/p>\n\n<p class=\"wp-block-paragraph\">Ce se \u00eent\u00e2mpl\u0103 \u00een amigdala bazolateral\u0103<\/p>\n\n<p class=\"wp-block-paragraph\">Studiul a mers mult mai departe dec\u00e2t analiza activit\u0103\u021bii neuronale. Cercet\u0103torii au folosit o abordare multi-omic\u0103 pe mai multe cohorte. Rezultatele arat\u0103 dou\u0103 schimb\u0103ri majore:<\/p>\n\n<ol class=\"wp-block-list\">\n<li>Microglia devine mai pu\u021bin activ\u0103<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Microglia, celulele imune ale creierului, \u00ee\u0219i reduc dimensiunea, complexitatea \u0219i capacitatea de fagocitoz\u0103. Cu alte cuvinte, scade supravegherea imun\u0103, iar \u021besutul neural devine mai pu\u021bin flexibil.<\/p>\n\n<ol class=\"wp-block-list\" start=\"2\">\n<li>Matricea extracelular\u0103 cre\u0219te \u0219i blocheaz\u0103 plasticitatea<\/li>\n<\/ol>\n\n<p class=\"wp-block-paragraph\">Pierdere \u00eenseamn\u0103 \u0219i o cre\u0219tere puternic\u0103 a matricei extracelulare (ECM), mai ales a structurilor numite re\u021bele perineuronale. Acestea \u00eenvelesc interneuronii parvalbuminici \u0219i le modific\u0103 func\u021bia. Rezultatul este o inhibi\u021bie crescut\u0103 \u00een BLA \u0219i o reducere a capacit\u0103\u021bii de adaptare a re\u021belelor neuronale.<\/p>\n\n<p class=\"wp-block-paragraph\">\u201eNeuronii ajung s\u0103 fie izola\u021bi. Nu ei sunt problema, ci izolatorii lor\u201d, explic\u0103 James Herman, autor principal al studiului. Acesta este poate cel mai surprinz\u0103tor rezultat: nu neuronii declan\u0219eaz\u0103 disfunc\u021bia, ci structurile care \u00eei \u00eenconjoar\u0103.<\/p>\n\n<p class=\"wp-block-paragraph\">Cum se traduce asta \u00een comportament<\/p>\n\n<p class=\"wp-block-paragraph\">\u0218obolanii supu\u0219i \u00eendep\u0103rt\u0103rii \u00eembog\u0103\u021birii au ar\u0103tat o alterare a evalu\u0103rii proeminen\u021bei, adic\u0103 un decalaj \u00eentre intensitatea unui stimul \u0219i reac\u021bia comportamental\u0103. Pe scurt, creierul nu mai reac\u021bioneaz\u0103 adecvat la ceea ce se \u00eent\u00e2mpl\u0103 \u00een jur.<\/p>\n\n<p class=\"wp-block-paragraph\">Aceast\u0103 nepotrivire aminte\u0219te de modul \u00een care oamenii reac\u021bioneaz\u0103 dup\u0103 pierdere: dificult\u0103\u021bi de adaptare, supraestimare sau subestimare a stimulilor emo\u021bionali \u0219i probleme \u00een reglarea stresului.<\/p>\n\n<p class=\"wp-block-paragraph\">Vestea bun\u0103: efectele pot fi inversate<\/p>\n\n<p class=\"wp-block-paragraph\">C\u00e2nd cercet\u0103torii au redus ECM din BLA \u00een timpul perioadei de pierdere, comportamentele asem\u0103n\u0103toare pierderii au fost \u00een mare parte prevenite. Asta deschide drumul c\u0103tre noi \u021binte terapeutice. Dac\u0103 ECM joac\u0103 un rol at\u00e2t de central, modificarea ei ar putea diminua impactul pierderii psihologice asupra s\u0103n\u0103t\u0103\u021bii mentale.<\/p>\n\n<p class=\"wp-block-paragraph\">De ce conteaz\u0103 aceast\u0103 descoperire<\/p>\n\n<p class=\"wp-block-paragraph\">Pierderea este unul dintre cei mai comuni declan\u0219atori ai depresiei \u0219i ai anxiet\u0103\u021bii. Ultimii ani, marca\u021bi de izolare \u0219i insecuritate, au accentuat acest lucru. Studiul Universit\u0103\u021bii din Cincinnati aduce un nou nivel de \u00een\u021belegere: pierderea nu afecteaz\u0103 doar starea de spirit, ci remodeleaz\u0103 microstructura creierului \u00eentr-un mod predictibil.<\/p>\n\n<p class=\"wp-block-paragraph\">Acest mecanism este relevant pentru oameni, nu doar pentru modele animale. Este un pas \u00eenainte \u00een \u00een\u021belegerea celor mai universale \u0219i dificile experien\u021be emo\u021bionale.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-64bd519 elementor-author-box--align-right elementor-widget elementor-widget-author-box\" data-id=\"64bd519\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"author-box.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-author-box\">\n\t\t\t\n\t\t\t<div class=\"elementor-author-box__text\">\n\t\t\t\t\t\t\t\t\t<div >\n\t\t\t\t\t\t<h6 class=\"elementor-author-box__name\">\n\t\t\t\t\t\t\tDan Molnar\t\t\t\t\t\t<\/h6>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-author-box__bio\">\n\t\t\t\t\t\t<p>Psiholog clinician<br \/>\nPsihoterapeut Psihoterapie Psihanalitica<\/p>\n\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/div>\n\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>Pierderea psihologic\u0103 ne afecteaz\u0103 profund via\u021ba de zi cu zi, dar ce se \u00eent\u00e2mpl\u0103 la nivel molecular \u00een creierul nostru? Un studiu recent de la Universitatea din Cincinnati a descoperit c\u0103 amigdala bazolateral\u0103 joac\u0103 un rol crucial \u00een modul \u00een care reac\u021bion\u0103m la pierdere. Schimb\u0103rile \u00een microglie \u0219i matricea extracelular\u0103 pot explica dificult\u0103\u021bile de adaptare \u0219i problemele de reglare a stresului. Vestea bun\u0103? Efectele negative ale pierderii pot fi inversate! Afl\u0103 cum aceste descoperiri pot deschide noi c\u0103i terapeutice pentru s\u0103n\u0103tatea mental\u0103.<\/p>\n","protected":false},"author":1,"featured_media":436,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_canvas","format":"standard","meta":{"pagelayer_contact_templates":[],"_pagelayer_content":"","footnotes":""},"categories":[59],"tags":[],"class_list":["post-435","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-categorie"],"_links":{"self":[{"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=\/wp\/v2\/posts\/435","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=435"}],"version-history":[{"count":19,"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=\/wp\/v2\/posts\/435\/revisions"}],"predecessor-version":[{"id":945,"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=\/wp\/v2\/posts\/435\/revisions\/945"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=\/wp\/v2\/media\/436"}],"wp:attachment":[{"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=435"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=435"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/cabinet-psihoterapie-consiliere.ro\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=435"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}