{"id":2070,"date":"2018-04-27T13:01:30","date_gmt":"2018-04-27T13:01:30","guid":{"rendered":"http:\/\/laorquideadedarwin.com\/?p=2070"},"modified":"2018-05-16T13:17:39","modified_gmt":"2018-05-16T13:17:39","slug":"llegir-en-paper-o-en-llibre-electronic","status":"publish","type":"post","link":"https:\/\/laorquideadedarwin.com\/va\/llegir-en-paper-o-en-llibre-electronic\/","title":{"rendered":"\u00bfLlegir en paper o en llibre electr\u00f2nic?"},"content":{"rendered":"

Abans de dormir cal llegir, per\u00f2 \u00e9s el mateix en un llibre de paper que amb tecnologia electr\u00f2nica?<\/strong><\/h3>\n

La resposta a la pregunta sembla clara segons un estudi d’Anne-Marie Chang i col\u00b7laboradors, que es va publicar en la revista Proceedings of the National Academy of Sciences<\/em>: no \u00e9s el mateix per a la salut llegir a la nit un llibre en paper que en un dispositiu electr\u00f2nic<\/strong>. La lectura d’un text en format electr\u00f2nic pot influir en el patr\u00f3 del somni.<\/p>\n

S’ha comprovat que utilitzar equips electr\u00f2nics amb emissi\u00f3 lum\u00ednica (tabletes, lectors de textos, ordinadors i tel\u00e8fons m\u00f2bils) abans de dormir, fa que ens coste m\u00e9s agafar el son i, a m\u00e9s, dormim pitjor.<\/p>\n

La causa \u00e9s l’emissi\u00f3 de llum blava de la majoria dels dispositius. El nostre organisme funciona amb uns bioritmes ajustats al dia i la nit, a la llum i a la foscor. Al capvespre, en resposta a les condicions de llum de l’entorn, s’inicia un proc\u00e9s metab\u00f2lic de producci\u00f3 d’hormona melatonina, i comencem a tenir son.<\/p>\n

Aqueixa llum artificial, enganya al nostre organisme, i es redueix la producci\u00f3 de la melatonina, tardem m\u00e9s a dormir-nos i es dorm pitjor i menys profundament. No hem d’oblidar que, des del punt de vista de la salut, dormir b\u00e9 \u00e9s fonamental, i que un somni de mala qualitat afavoreix diverses malalties.<\/p>\n

\"\"<\/a>

Els xiquets han de llegir en dispositius electr\u00f2nics durant el dia i utilitzar el format lliure de paper al capvespre i en ficar-se al llit (Foto: Natura i Cultura).<\/p><\/div>\n

No hi ha dubte que les noves tecnologies s\u00f3n un element important per a la lectura i l’oci, en particular per als nostres fills i filles. Hem d’acostumar-los a utilitzar aqueixos mitjans durant el dia, amb bona llum, i arribada la nit, la lectura deu ser en llibres i contes de paper<\/strong>. La difer\u00e8ncia est\u00e0 el la emissi\u00f3 de llum que arriba als nostres ulls, en paper \u00e9s la que es reflecteix de l’entorn i en els elements electr\u00f2nics \u00e9s directa des del propi aparell.<\/p>\n

Cal recordar tamb\u00e9 que, de forma natural, la xiquets i joves tenen el rellotge natural retardat, es dormen m\u00e9s tard i, com sabem, s’alcen m\u00e9s tard. Els dispositius amb llum integrada pot potenciar aqueix retard i al mat\u00ed estar m\u00e9s cansats i tindran un rendiment m\u00e9s baix en el col\u00b7legi.<\/p>\n

De moment, estem en els inicis de la lectura en format electr\u00f2nic. Les pantalles amb lluentor o retroil\u00b7luminades, produeixen a m\u00e9s cansament visual. En el comer\u00e7 ens ofereixen filtres i altres elements, que poden reduir la incid\u00e8ncia negativa de tot tipus de pantalles en la vista, encara que l’OCU ho ha rebatut. Per\u00f2 no hi ha evid\u00e8ncia que donen soluci\u00f3 el problema del somni.<\/p>\n

No neguem els avantatges de l’e-book, disposar d’una biblioteca en la nostra butxaca, adaptar la grand\u00e0ria de la lletra o el preu. Per\u00f2 per a dormir millor oferir als nostres fills i filles, o per a nosaltres mateixos, un conte o llibre de paper.<\/p>\n

Pots consultar l’estudi citat en: http:\/\/www.pnas.org\/content\/112\/4\/1232<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Abans de dormir cal llegir, per\u00f2 \u00e9s el mateix en un llibre de paper que amb tecnologia electr\u00f2nica? 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