Bebês que ouvem mix de línguas no útero são mais sensíveis a variações da fala

[{"selector":"#anim-5b6b5c9c-f100-43ac-ad6e-d71afbd8048a","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-11d80614-964b-44ba-9bab-de219c5b3761","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-e215ae15-fe29-4d88-99f7-731ddc41ea4d","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-234c8bdd-7869-4e81-8abb-aa163fae6990","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] PEXELS

[{"selector":"#anim-c1311073-8dcd-4afa-8a44-84739f3244db","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-31171595-a09a-486a-91ac-eb53144ce3ea","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-8f390e45-8f0b-4148-bf73-cbcf627842e8","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-48a29bc1-4411-41d1-833e-dfd3a1300599","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-222c44e1-4ceb-48ec-b576-6fd4615be5b1 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(31.254892892518466%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Um estudo demonstrou que bebês que são expostos a mais de um idioma enquanto ainda estão no útero percebem aspectos da fala de maneira diferente daqueles que ouvem apenas um idioma PEXELS

[{"selector":"#anim-d4545178-2319-46e0-bb4d-767f022f1c3e","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-19173683-592c-4046-a696-5920ccfc3bbf","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-135c68e2-a075-49c4-8210-77476807b536","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-2e8f9a9f-1bae-45fb-b6dc-47554112f235","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-4cd83d49-b0ad-4e49-a581-27e12f5e7c43 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(25.75908669187601%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] A pesquisa foi realizada na Catalunha, onde 12% da população fala catalão e espanhol em seu dia-a-dia PEXELS

[{"selector":"#anim-14977cb5-3dab-439f-b840-6ac8ea2c95b5","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-9f335d5d-b35b-4cd3-b6d3-f5ad5c965961","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-18ad3ced-dce5-4db7-b7ba-5cea4b45e57b","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-b5e404d7-bfaf-4dc2-89e0-1080c99f9444","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-04f36de5-9633-4fc3-b2fb-70f1e2f78d03 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(42.51757812182627%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Foram recrutadas como voluntárias 131 mães de recém-nascidos entre um e três dias de vida PEXELS

[{"selector":"#anim-036eae48-dbf2-4c15-8a26-0ded42b8f181","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f1c031fb-383e-4078-ac89-b5566cea5900","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-c5c759b6-b493-4eab-af5f-d68af7466a5d","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-ec72dd4b-3c74-45a0-b3de-b2717129bae5","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-14b3b45a-ba35-42d1-922b-417bba857582 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(13.122558302516612%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Destas mães, 41% disseram que falaram exclusivamente um idioma — catalão (9%) ou espanhol (91%) — durante a gravidez, inclusive quando conversavam com o bebê crescendo em sua barriga PEXELS

[{"selector":"#anim-783b1e46-4f14-4d22-ab65-535b80c6b18c","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-612ee373-3ade-47f4-94ab-5a20c5bdeca9","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-a0408ee0-a5dd-44be-910b-576db6282282","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-e6e3fc8e-354c-4e47-a60e-bde21efb8130","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-fdba6abb-4f05-4812-b11c-daf0b54c899a [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(12.514648210040342%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] As outras 51% falaram duas línguas — seja catalão e espanhol, ou um destes idiomas combinado com outro, como árabe, inglês ou português PEXELS

[{"selector":"#anim-df635256-8328-4fbe-a7b4-1f1c19b4ae24","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-70fb185d-3dbf-400b-9ae3-362de918646a","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-11aba95a-5a74-415a-a7d0-745ecf8666b6","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-e84ecf82-331c-4291-8363-e7616d523cfd","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-72a782bd-bd13-4ae5-a091-23e487ca5ff1 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(41.816101063466576%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Usando eletrodos em suas testas, os pesquisadores mediram a “resposta de seguimento de frequência” (FFR na sigla em inglês) nos bebês recém-nascidos expondo-os à reprodução repetida de um estímulo sonoro cuidadosamente selecionado PEXELS

[{"selector":"#anim-e789ad43-c96f-480a-ba36-9d92f0834852","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d0533a42-73da-49cd-b7e4-6ed9ea70d734","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-432410ed-01cd-4bec-85b6-265e8cf217b1","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-124a2193-bf15-406e-a080-fe1c5c0db8b6","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b7432049-717b-4093-a76e-7d5a0dbaa74d [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-12.514648210040342%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] A frequência contou com 250 milissegundos de duração e foi composta de quatro estágios: a vogal /o/, uma transição, a vogal /a/ em tom constante e /a/ aumentando em tom PEXELS

[{"selector":"#anim-8c257512-36e2-40e5-9da3-5c0a14ee45f9","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f82ee0fb-0992-438f-bf5f-201c343336cb","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-3d5fb05f-7b92-44b4-82b8-ce286e46f2d9","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-36483a0a-dd4c-4e8c-a46a-d4613648bc34","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-0f97c696-b44b-4af9-b7aa-a81ab6590627 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-25.01212264534893%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] “As vogais contrastantes /o/ e /a/ pertencem ao repertório fonético do espanhol e do catalão, e é em parte por isso que as escolhemos", afirma o estudo PEXELS

[{"selector":"#anim-f0530b44-73a4-4ce8-b466-5965c7f41da9","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-3927f480-b525-4ed3-b95d-57e9cbe4b56b","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-0543cdaa-bf56-46a7-8a6c-07b4cc4384b8","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-4be11855-c048-42ea-b12a-b32f13eefc89","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-e9a11c06-8be4-4855-b6ab-66da8b202a7d [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-38.47656245679763%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] A FFR mede com que precisão os picos de ação produzidos pelos neurônios no córtex auditivo e no tronco cerebral imitam as características das ondas sonoras do estímulo PEXELS

[{"selector":"#anim-91915ade-b452-4128-9213-d5e4fc959340","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-837e5f30-96cb-41c5-ab2e-40b88cb7a2ce","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-69c75d54-8ef9-4cf2-8ac3-e6855afd9188","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-b8c15e24-8bd5-42a0-baf9-7d94d5a26550","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-46d472aa-8bad-45b8-82de-ff32969f1480 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-37.89378501763325%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Uma resposta mais precisa do cérebro evidencia que ele foi treinado de forma mais eficaz para captar precisamente aqueles sons PEXELS

[{"selector":"#anim-b6b9c656-1a76-434c-bfa3-ef93a247c646","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-08c25cde-37d3-4d84-87a1-58fa9ae8a690","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-35f60303-671b-420c-b029-635c036f862a","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-fe1e8f92-3a8e-4e32-854d-87f5298b6255","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-c70484eb-a6a2-4cc5-8455-0b48c7d4de7c [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-12.514648210040342%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Os resultados apontaram que a resposta aos sons das vogais /o/ e /a/ foi mais precisa no cérebro dos fetos de mães monolíngues, que aprenderam a ser mais sensíveis ao tom de uma única linguagem PEXELS

[{"selector":"#anim-64344e11-b8ca-4f88-9414-4efb632fadcc","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-b13e867a-5e90-4fa3-94d9-c0074cf2aa0e","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-963fc2b6-7dbe-4295-8511-d8a11f797734","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-bf912e93-288b-4e7c-93d7-a70648ab7a32","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a1144f6f-711e-4c2d-a052-43c79fbc4fcb [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(12.514648210040342%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] Em contrapartida, o cérebro dos fetos de mães bilíngues parece ter se tornado melhor em detectar uma gama mais ampla de variação nas frequências de tom, mas sem gerar a resposta máxima a nenhuma delas PEXELS

[{"selector":"#anim-171bc3b2-a1f9-4637-8f19-2945e9a42f1b","keyframes":{"opacity":[0,1]},"delay":0,"duration":1500,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-dab55d12-edfb-48de-b421-d5cf4706e6bc","keyframes":{"opacity":[0,1]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] [{"selector":"#anim-cdb339af-1ead-4b7c-8801-38ba7a48d1de","keyframes":{"transform":["scale(0.3333333333333333)","scale(1)"]},"delay":0,"duration":500,"easing":"cubic-bezier(.3,0,.55,1)","fill":"forwards"}] [{"selector":"#anim-78ef976c-95c6-4457-8a45-dca1f036259d","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-21cff15c-7cbf-454f-ab24-abc855935884 [data-leaf-element=\"true\"]","keyframes":{"transform":["translate3d(-31.254892892518466%, 0, 0)","translate3d(0%, 0, 0)"]},"delay":0,"duration":2000,"easing":"cubic-bezier(.3,0,.55,1)","fill":"both"}] O estudo parece indicar, portanto, que existe um impasse entre eficiência e seletividade na aprendizagem dos fetos sobre tons de voz PEXELS

CNNBRASIL.COM.BR

[{"selector":"#anim-e5ddde92-2f81-4bea-9a1e-ad3db4fcaaf0","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-54d9b392-e601-4eb2-95f9-a5bdc4958c8e","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-72ae9e2b-b525-4fab-93e5-e95cea357212","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-bf8ee5e7-5267-404d-8ae6-29a7d0fd343d","keyframes":{"transform":["translate3d(0px, 2132.63615%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-5dd19c14-3948-4511-ab26-9d1439ebb598","keyframes":{"opacity":[0,1]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-d784a73d-b706-4ba6-8a89-93c8252cef11","keyframes":{"transform":["translate3d(-117.84387%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-8be4ec9d-3e29-4133-bd6d-5c9a95855ce3","keyframes":{"opacity":[0,1]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-47909769-0ebe-4b93-813b-227d59051be0","keyframes":{"transform":["translate3d(0px, 1223.93157%, 0)","translate3d(0px, 0px, 0)"]},"delay":0,"duration":1000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] leia mais em PEXELS Arraste para cima