psihologie la Universitatea din Umeaa, in nordul Suediei.
Pentru acest studiu care face parte dintr-unul mai amplu dedicat memoriei, cercetatorii au monitorizat 1.962 de persoane cu varste intre 35 si 90 de ani, incepand din 1988. Ei au comparat memoria celor care si-au pastrat dintii cu a acelora care si-au pus proteze dentare. „Memoria unei persoane este in mod evident mai slaba atunci cand nu mai are dinti”, a afirmat Bergdahl.
Studii japoneze recente pe sobolani si maimute au demonstrat existenta unei legaturi intre dinti si memorie, insa studiul suedez este primul care demonstreaza acelasi lucru la oameni.
Bergdahl nu se va opri aici cu cercetarile. „Vom studia cati dinti poate pierde o persoana inainte ca acest lucru sa aiba un efect negativ asupra memoriei sale. Vom analiza si impactul cariilor dentare si implanturilor asupra memoriei”, a mai spus Bergdahl. Dupa acesta, este foarte putin probabil sa se descopere ca implanturile dentare au un efect pozitiv asupra memoriei.
„Testele pe animale au demonstrat ca extractia dintilor sectioneaza nervi conectati la creier”, a explicat cercetatorul suedez, subliniind ca este posibil ca cercetarile pe aceasta tema sa schimbe modul in care sunt ingrijiti dintii batranilor. „Este posibil ca pe viitor sa ne gandim de doua ori inainte sa scoatem un dinte care are o problema”, a spus el.
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