{"id":4779,"date":"2016-12-20T22:12:09","date_gmt":"2016-12-20T22:12:09","guid":{"rendered":"http:\/\/doctorexpres.ro\/?p=4779"},"modified":"2016-12-20T22:13:05","modified_gmt":"2016-12-20T22:13:05","slug":"sarcina-produce-modificari-in-creierul-femeilor","status":"publish","type":"post","link":"https:\/\/doctorexpres.ro\/index.php\/2016\/12\/20\/sarcina-produce-modificari-in-creierul-femeilor\/","title":{"rendered":"Sarcina produce modific\u0103ri \u00een creierul femeilor"},"content":{"rendered":"

Tinerele m\u0103mici spun adesea c\u0103 s\u00eent \u00een leg\u0103tur\u0103 cu \u201ecreierul copilului\u201d, experiment\u00eend un nou mod de g\u00eendire \u00een timpul sarcinii \u0219i na\u0219terii. Noi cercet\u0103ri sugereaz\u0103 c\u0103 au dreptate.
\nSarcina determin\u0103 schimb\u0103ri pe termen lung \u00een creierul unei femei care, probabil, evolueaz\u0103 pentru a \u00eembun\u0103t\u0103\u021bi capacitatea mamei de a proteja \u0219i hr\u0103ni copilul, spun cercet\u0103torii spanioli. Ei au folosit scanarea RMN pentru a compara structurile creierului a 25 de femei \u00eenainte \u015fi dup\u0103 prima lor sarcin\u0103.
\nConform rezultatelor, dup\u0103 ce au n\u0103scut, femeile au prezentat reduceri semnificative ale materiei cenu\u015fii \u00een zone ale creierului asociate cu interac\u021biunile sociale<\/a>. Acele regiuni ale creierului<\/a> s-au suprapus peste cele care s-au activat atunci c\u00eend mamele au vizionat imagini cu propriii lor copii.
\n\u201eSchimb\u0103rile se refer\u0103 la zonele creierului asociate cu func\u021biile necesare pentru a gestiona provoc\u0103rile maternit\u0103\u021bii<\/em>\u201d, a declarat Erika Barba, de la Universitatea Autonom\u0103 din Barcelona.<\/p>\n

Cu toate c\u0103 unele mame \u00eens\u0103rcinate <\/a>s-au pl\u00eens de g\u00eendire neclar\u0103, cercet\u0103torii au constatat c\u0103 gravidele nu au suferit nicio modificare a memoriei<\/a> sau a altor procese cognitive pe perioada sarcinii. Asta \u00eenseamn\u0103 c\u0103 pierderea de materie cenu\u0219ie nu le-a creat probleme \u00een acele zone. Modific\u0103rile creierului<\/a>, care s-au men\u0163inut timp de cel pu\u021bin doi ani dup\u0103 na\u0219tere, probabil le ajut\u0103 s\u0103 se adapteze la maternitate, sugereaz\u0103 autorii.<\/p>\n

Potrivit lui Oscar Vilarroya, unul dintre autorii studiului, \u201econstat\u0103rile puncteaz\u0103 un proces de adaptare pentru a detecta mai bine nevoile copilului, cum ar fi identificarea st\u0103rii emo\u021bionale a nou-n\u0103scutului. Mai mult, ne ofer\u0103 indicii primare \u00een ceea ce prive\u0219te baza neuronal\u0103<\/a> a maternit\u0103\u0163ii, s\u0103n\u0103tatea mintal\u0103 perinatal\u0103 \u0219i plasticitatea creierului, \u00een general<\/em>\u201d.<\/p>\n

Un alt autor, Elseline Hoekzema, a declarat c\u0103 modific\u0103rile \u201epot reflecta, cel pu\u021bin par\u021bial, un mecanism de reducere sinaptic\u0103, prin care sinapsele slabe s\u00eent eliminate \u00een favoarea re\u021belelor neuronale mai specializate \u015fi mai eficiente<\/em>\u201d.<\/p>\n

Cercet\u0103torii au putut s\u0103 utilizeze aceste modific\u0103ri ale creierului pentru a prezice ata\u0219amentul unei mame pentru copilul ei, potrivit studiului publicat \u00een revista Nature Neuroscience.
\nModific\u0103rile au fost similare, indiferent dac\u0103 femeile au r\u0103mas \u00eens\u0103rcinate \u00een mod natural sau prin tratamente de fertilizare.<\/p>\n

Sursa: webmd.com<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Tinerele m\u0103mici spun adesea c\u0103 s\u00eent \u00een leg\u0103tur\u0103 cu \u201ecreierul copilului\u201d, experiment\u00eend un nou mod de g\u00eendire \u00een timpul sarcinii<\/p>\n","protected":false},"author":4,"featured_media":4780,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[86,99,91],"tags":[5909,5907,5904,5906,2717,5905,5902,5908,5903],"class_list":["post-4779","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mame-si-copii","category-sanatatea-familiei","category-stiri","tag-creierul-gravide","tag-emotii-nou-nascut","tag-gandurile-copilului","tag-materie-cenusie","tag-maternitate","tag-modificarea-creierului-la-gravide","tag-nastere","tag-sanatate-mintala-perinatala","tag-sarcina"],"yoast_head":"\nSarcina produce modific\u0103ri \u00een creierul femeilor - 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