{"id":3609,"date":"2010-03-16T14:51:01","date_gmt":"2010-03-16T13:51:01","guid":{"rendered":"https:\/\/ellipse.prbb.org\/?p=3609"},"modified":"2024-06-03T12:31:46","modified_gmt":"2024-06-03T10:31:46","slug":"estudiar-la-memoria","status":"publish","type":"post","link":"https:\/\/ellipse.prbb.org\/ca\/estudiar-la-memoria\/","title":{"rendered":"Estudiar la mem\u00f2ria"},"content":{"rendered":"<p>La mem\u00f2ria constitueix una funci\u00f3 cerebral fascinant: d\u2019ella dep\u00e8n, en bona part, el que som i el que fem.<\/p>\n<p>Cada <strong>hemisferi cerebral<\/strong> est\u00e0 relacionat amb el registre de formes espec\u00edfiques de mem\u00f2ria:<\/p>\n<ul>\n<li><strong>l&#8217;hemisferi dret<\/strong> registra mem\u00f2ries m\u00e9s visuals i espacials (dibuixos)<\/li>\n<li><strong>l&#8217;hemisferi esquerre<\/strong> registra m\u00e9s les mem\u00f2ries verbals (llistes de paraules)<\/li>\n<\/ul>\n<p>En les parts m\u00e9s profundes del cervell existeixen unes estructures d\u2019especial rellev\u00e0ncia per la mem\u00f2ria, els <strong>hipocamp<\/strong>s. Els hipocamps actuen com una porta d&#8217;entrada que permet la gravaci\u00f3 de la mem\u00f2ria a <strong>l&#8217;escor\u00e7a cerebral<\/strong>. Quan es lesionen definitivament, la persona deixa de formar noves mem\u00f2ries; \u00e9s encara capa\u00e7, per\u00f2, de recordar el que ja t\u00e9 gravat. Aquest fet crida l&#8217;atenci\u00f3, ja que \u00e9s dif\u00edcil d\u2019entendre que el pacient sigui capa\u00e7 de recordar coses de la seva joventut per\u00f2 incapa\u00e7 de recordar el que va fer el dia anterior.<\/p>\n<blockquote><p>L&#8217;hipocamp, localitzat en les parts m\u00e9s profundes del cervell, t\u00e9 especial rellev\u00e0ncia per la mem\u00f2ria. Si est\u00e0 lesionat, no es formen noves mem\u00f2ries.<\/p><\/blockquote>\n<p>La mem\u00f2ria posa de relleu un principi biol\u00f2gic general: qualsevol conducta d&#8217;un organisme \u00e9s el resultat d&#8217;una organitzaci\u00f3 jer\u00e0rquica: mol\u00e8cules, sinapsis, neurones, circuits neuronals, connexions entre circuits, i finalment el comportament. Tot aquest conjunt es modifica constantment a trav\u00e9s de les experi\u00e8ncies viscudes. La creaci\u00f3 de mem\u00f2ries \u00e9s el resultat de determinades connexions (<strong>sinapsis<\/strong>) de l&#8217;escor\u00e7a cerebral.<\/p>\n<p>Amb tants agents actuant podem dir que, igual com la mem\u00f2ria, <strong>la recerca sobre la mem\u00f2ria<\/strong> requereix de la mateixa cooperaci\u00f3 per funcionar, i \u00e9s necess\u00e0riament <strong>multidisciplin\u00e0ria<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jordi Pe\u00f1a-Casanova, neur\u00f2leg de l&#8217;Hospital del Mar i investigador de l&#8217;IMIM, ens explica com s&#8217;organitza aquesta fascinant capacitat, la mem\u00f2ria.<\/p>\n","protected":false},"author":6,"featured_media":3630,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[30],"tags":[320,513,213,317],"new-type":[35],"class_list":["post-3609","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia-i-societat","tag-alzheimer","tag-ciencia-al-descobert","tag-imim","tag-neurobiologia","new-type-noticies"],"acf":[],"_links":{"self":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/3609","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/comments?post=3609"}],"version-history":[{"count":3,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/3609\/revisions"}],"predecessor-version":[{"id":3616,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/posts\/3609\/revisions\/3616"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media\/3630"}],"wp:attachment":[{"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/media?parent=3609"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/categories?post=3609"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/tags?post=3609"},{"taxonomy":"new-type","embeddable":true,"href":"https:\/\/ellipse.prbb.org\/ca\/wp-json\/wp\/v2\/new-type?post=3609"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}