{"id":3452,"date":"2025-09-03T13:19:22","date_gmt":"2025-09-03T16:19:22","guid":{"rendered":"https:\/\/overticeportal.com.br\/?p=3452"},"modified":"2025-09-03T13:19:24","modified_gmt":"2025-09-03T16:19:24","slug":"ficar-longe-do-celular-provoca-alteracoes-no-cerebro-revela-estudo","status":"publish","type":"post","link":"https:\/\/www.portalam9.com.br\/?p=3452","title":{"rendered":"Ficar longe do celular provoca altera\u00e7\u00f5es no c\u00e9rebro, revela estudo"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Os celulares est\u00e3o provocando uma verdadeira crise de sa\u00fade. O uso excessivo deles pode gerar transtornos ps\u00edquicos, como ansiedade e at\u00e9 depress\u00e3o. A depend\u00eancia \u00e9 tanta que algumas pessoas desenvolveram nomofobia, nome dado ao medo de ficar sem os smartphones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para entender mais sobre estes impactos e como revert\u00ea-los, pesquisadores da Universidade de Heidelberg, na Alemanha, realizaram um experimento. Eles limitaram o uso dos aparelhos e analisaram o que aconteceu no\u00a0c\u00e9rebro.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.odcdn.com.br\/wp-content\/uploads\/2025\/08\/iStock-999231414-1-1024x683.jpg\" alt=\"crian\u00e7as celular\" class=\"wp-image-1172648\"\/><figcaption class=\"wp-element-caption\">Celulares se tornaram um v\u00edcio (Imagem: monkeybusinessimages\/iStock)<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-voluntarios-ficaram-72-horas-longe-dos-aparelhos\"><strong>Volunt\u00e1rios ficaram 72 horas longe dos aparelhos<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>No total, 25 pessoas entre 18 e 30 anos participaram da pesquisa.<\/li>\n\n\n\n<li>Eles foram orientados a utilizar os celulares apenas para\u00a0tarefas essenciais, como comunica\u00e7\u00e3o com familiares, durante um per\u00edodo de tr\u00eas dias.<\/li>\n\n\n\n<li>Para avaliar as mudan\u00e7as no c\u00e9rebro, todos passaram por exames de resson\u00e2ncia magn\u00e9tica no in\u00edcio e no final do teste.<\/li>\n\n\n\n<li>O exame foi feito enquanto os volunt\u00e1rios observavam tr\u00eas imagens: cenas neutras, como paisagens, e fotos de celulares ligados e desligados.<\/li>\n\n\n\n<li>Al\u00e9m disso, eles preencheram question\u00e1rios sobre estados de humor e h\u00e1bitos de uso.<\/li>\n\n\n\n<li>Os resultados foram descritos em estudo\u00a0publicado na revista\u00a0<a href=\"https:\/\/www.sciencedirect.com\/journal\/computers-in-human-behavior\" target=\"_blank\" rel=\"noreferrer noopener\">Computers in Human Behavior<\/a>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-distanciamento-provocou-reacoes-no-cerebro\"><strong>Distanciamento provocou rea\u00e7\u00f5es no c\u00e9rebro<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">De acordo com os pesquisadores, os participantes apresentaram mudan\u00e7as em \u00e1reas do c\u00e9rebro ligadas ao sistema de recompensa ap\u00f3s tr\u00eas dias longe dos celulares. Quando expostos a imagens de smartphones,&nbsp;houve ativa\u00e7\u00e3o de regi\u00f5es associadas ao desejo mais intenso.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9m foi verificada uma maior atividade em vias de dopamina e serotonina, neurotransmissores relacionados a regula\u00e7\u00e3o do humor e depend\u00eancia. Isso pode indicar uma associa\u00e7\u00e3o, j\u00e1 que elas foram estimuladas a ver imagens do celular ap\u00f3s o per\u00edodo de abstin\u00eancia. Os resultados ainda sugerem uma&nbsp;melhora na qualidade do sono e do humor&nbsp;dos volunt\u00e1rios.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/img.odcdn.com.br\/wp-content\/uploads\/2024\/10\/sono-1024x683.jpg\" alt=\"sono\" class=\"wp-image-985870\"\/><figcaption class=\"wp-element-caption\">Ficar longe do celular melhora a qualidade do sono (Imagem: New Africa\/Shutterstock)<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Apesar das conclus\u00f5es, o estudo tem algumas limita\u00e7\u00f5es. Entre elas, o pequeno n\u00famero de participantes, a aus\u00eancia de um grupo controle e a falta de monitoramento para saber se efetivamente os volunt\u00e1rios ficaram longe dos smartphones. Por conta disso, s\u00e3o necess\u00e1rias mais pesquisas para confirmar os efeitos causados por este distanciamento no c\u00e9rebro.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>Fonte: Olhar Digital <strong>\/ <\/strong>Foto: Towfiqu ahamed barbhuiya\/Shutterstock<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Experimento limitou o uso dos aparelhos durante 72 horas e analisou o que aconteceu no c\u00e9rebro dos participantes<\/p>\n","protected":false},"author":3,"featured_media":3453,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-3452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-curiosidades-2"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ficar longe do celular provoca altera\u00e7\u00f5es no c\u00e9rebro, revela estudo - 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