{"id":10246,"date":"2024-05-14T00:00:07","date_gmt":"2024-05-14T00:00:07","guid":{"rendered":"https:\/\/fitolympia.com\/?p=10246"},"modified":"2024-05-14T19:16:07","modified_gmt":"2024-05-14T19:16:07","slug":"serotonin-hormone-role-in-ejaculation","status":"publish","type":"post","link":"https:\/\/fitolympia.com\/pt\/serotonin-hormone-role-in-ejaculation\/","title":{"rendered":"Papel do horm\u00f4nio serotonina na ejacula\u00e7\u00e3o"},"content":{"rendered":"<p><em><strong>Serotonin<\/strong>\u00a0is the key\u00a0<strong>hormone<\/strong>\u00a0that stabilizes our mood, feelings of well-being, and happiness. This\u00a0<strong>hormone<\/strong>\u00a0impacts your entire body. It enables brain cells and other nervous system cells to communicate with each other.\u00a0<strong>Serotonin<\/strong>\u00a0also helps with sleeping, eating, and digestion.<\/em><\/p> <p id=\"mntl-sc-block_1-0\">\u00c9 sabido que antidepressivos podem ter efeitos colaterais sexuais. Eles podem levar a problemas com:<\/p> <ul class=\"wp-block-list\" id=\"mntl-sc-block_1-0-2\"><li><strong>Desire<\/strong><\/li><li><strong>Arousal<\/strong><\/li><li><strong>Ejaculation<\/strong><\/li><li><strong>Orgasm<\/strong><\/li><\/ul> <p id=\"mntl-sc-block_1-0-4\">Esses problemas sexuais est\u00e3o mais associados ao uso de duas classes de drogas.<a href=\"https:\/\/www.verywellmind.com\/snris-and-ssnris-380183\" rel=\"noreferrer noopener\" target=\"_blank\">selective serotonin reuptake inhibitors (SSRIs) and serotonin-norepinephrine reuptake inhibitors (SNRI)<\/a>\u2014 usado para tratar depress\u00e3o e outros transtornos de humor.<sup>1<\/sup> <\/p> <figure class=\"wp-block-image\" id=\"mntl-sc-block_1-0-7\"><img decoding=\"async\" src=\"https:\/\/www.verywellhealth.com\/thmb\/mJuQCEmGHaj8nfmb3UDYv6uSD4c=\/2119x1414\/filters:no_upscale():max_bytes(150000):strip_icc():format(webp)\/shirtless-worried-man-with-blanket-sitting-on-bed-at-home-1137905752-74449c5bb8d64f99a6993739f1dd68aa.jpg\" alt=\"A shirtless young man siting on his bed at sunset\"\/><\/figure> <p id=\"mntl-sc-block_1-0-8\">Logo no in\u00edcio do desenvolvimento de SSRIs, descobriu-se que esses medicamentos podem causar dificuldades com a ejacula\u00e7\u00e3o. Na verdade, esses medicamentos s\u00e3o \u00e0s vezes prescritos para homens que t\u00eam problemas com ejacula\u00e7\u00e3o precoce.<\/p> <p id=\"mntl-sc-block_1-0-10\">Por que os antidepressivos podem ter efeitos t\u00e3o profundos na sa\u00fade sexual, especialmente para os homens? N\u00e3o tem nada a ver com humor. Em vez disso, tem a ver com o papel de\u00a0<strong>serotonina\u00a0<\/strong>e outros\u00a0<strong>Neurotransmissores\u00a0<\/strong>em excita\u00e7\u00e3o e ejacula\u00e7\u00e3o.<\/p> <h2 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-12\">A Biologia da Ejacula\u00e7\u00e3o<\/h2> <p id=\"mntl-sc-block_1-0-13\">Sexo \u00e9, em muitos aspectos, uma fun\u00e7\u00e3o da mente.<\/p> <p id=\"mntl-sc-block_1-0-15\">Physical arousal can take place by direct stimulation. It can also take place without any direct stimulation. Sex therapists often recommend &#8220;sexy thoughts&#8221; as an intervention, because thinking about sex can be a turn on in and of itself.<\/p> <p id=\"mntl-sc-block_1-0-17\">Como \u00e9 que isso funciona? Da mesma forma que muitos pensamentos s\u00e3o processados \u2014 atrav\u00e9s da produ\u00e7\u00e3o de v\u00e1rios neurotransmissores. \u00c9 assim que as c\u00e9lulas nervosas se comunicam entre si. Eles liberam e respondem a neurotransmissores, incluindo:<\/p> <ul class=\"wp-block-list\" id=\"mntl-sc-block_1-0-19\"><li>Serotonin<\/li><li>Norepinephrine<\/li><li>Dopamine<\/li><\/ul> <p id=\"mntl-sc-block_1-0-21\">Muito do nosso entendimento sobre o papel dos neurotransmissores e das estruturas cerebrais na excita\u00e7\u00e3o e no orgasmo vem da pesquisa animal. No entanto, tamb\u00e9m houve estudos em humanos.<\/p> <p id=\"mntl-sc-block_1-0-23\">Atrav\u00e9s da pesquisa, os cientistas descobriram que v\u00e1rias \u00e1reas do c\u00e9rebro est\u00e3o associadas \u00e0 fun\u00e7\u00e3o sexual masculina.<\/p> <p id=\"mntl-sc-block_1-0-25\">A \u00e1rea pre\u00f3ptica medial (MPOA) do hipot\u00e1lamo \u00e9 central para a resposta sexual. \u00c9 aqui que est\u00edmulos sexuais de v\u00e1rias partes do corpo se unem para o processamento.<\/p> <p id=\"mntl-sc-block_1-0-27\">O c\u00e9rebro ent\u00e3o envia sinais pela medula espinhal que fazem com que o corpo fique excitado e, em seguida, orgasmo. Partes da am\u00edgdala e do c\u00f3rtex parietal tamb\u00e9m s\u00e3o importantes no controle da ejacula\u00e7\u00e3o.<\/p> <h2 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-29\">Papel dos Neurotransmissores<\/h2> <p id=\"mntl-sc-block_1-0-30\">Neurotransmissores s\u00e3o o mecanismo para esses sinais. Estudos em ratos mostraram que \u00e9 poss\u00edvel causar orgasmo aos ratos apenas ativando certos receptores neurotransmissores no c\u00e9rebro.<\/p> <p id=\"mntl-sc-block_1-0-32\">Em humanos, a serotonina \u00e9 o neurotransmissor mais claramente associado \u00e0 ejacula\u00e7\u00e3o. Os SSRIs funcionam impedindo que as c\u00e9lulas reabsorvam a serotonina (reuptaking). Isso significa que os sinais causados pela serotonina s\u00e3o estendidos, durando um per\u00edodo maior de tempo.<\/p> <p>O uso cr\u00f4nico de antidepressivos SSRI tem sido demonstrado para estender o tempo entre ere\u00e7\u00e3o e ejacula\u00e7\u00e3o em homens. \u00c9 por isso que \u00e0s vezes s\u00e3o prescritos como um tratamento para ejacula\u00e7\u00e3o precoce.<\/p> <p id=\"mntl-sc-block_1-0-36\">Curiosamente, estudos em ratos mostraram que onde a serotonina \u00e9 alterada seus efeitos. Quando a serotonina \u00e9 injetada em algumas partes do c\u00e9rebro do rato, causa um atraso na ejacula\u00e7\u00e3o. Em outras \u00e1reas do c\u00e9rebro, causa ejacula\u00e7\u00e3o.<\/p> <p id=\"mntl-sc-block_1-0-38\">A dopamina tamb\u00e9m desempenha um papel na ejacula\u00e7\u00e3o, embora seu papel n\u00e3o tenha sido t\u00e3o bem explorado quanto o da serotonina.&nbsp;<\/p> <p id=\"mntl-sc-block_1-0-40\">Estudos em ratos sugerem que a estimula\u00e7\u00e3o da dopamina pode causar ejacula\u00e7\u00e3o. Em humanos, tamb\u00e9m h\u00e1 pesquisas para apoiar isso.<sup>4<\/sup> <\/p> <p id=\"mntl-sc-block_1-0-42\">Pessoas com esquizofrenia que s\u00e3o tratadas com drogas antipsic\u00f3ticas que bloqueiam um tipo espec\u00edfico de receptor de dopamina (receptores semelhantes a D2) provavelmente t\u00eam dificuldade, ou imposs\u00edvel, de ejacular. Essas mesmas drogas foram testadas em homens com ejacula\u00e7\u00e3o precoce.<\/p> <p id=\"mntl-sc-block_1-0-44\">Semelhante aos SSRIs, os antipsic\u00f3ticos parecem estender o tempo entre excita\u00e7\u00e3o e ejacula\u00e7\u00e3o. Al\u00e9m disso, h\u00e1 uma pequena quantidade de dados sugerindo que muta\u00e7\u00f5es em transportadores de dopamina podem tornar alguns homens mais propensos a experimentar ejacula\u00e7\u00e3o precoce.<\/p> <h2 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-49\">Fases da Ejacula\u00e7\u00e3o<\/h2> <figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/image.slidesharecdn.com\/humansexuality-chapter3for97-2003-110130151105-phpapp02\/95\/hlt-200-human-sexuality-chapter-3-8-728.jpg?cb=1296400331\" alt=\"\"\/><\/figure> <p id=\"mntl-sc-block_1-0-50\">A ejacula\u00e7\u00e3o \u00e9 definida como a propuls\u00e3o for\u00e7ada do s\u00eamen do corpo.\u00a0Acontece em duas fases.\u00a0<\/p> <p id=\"mntl-sc-block_1-0-52\">A primeira fase \u00e9 referida como emiss\u00e3o. \u00c9&nbsp;quando os v\u00e1rios componentes do s\u00eamen, incluindo o esperma, s\u00e3o secretados de v\u00e1rias gl\u00e2ndulas e \u00f3rg\u00e3os.<\/p> <p id=\"mntl-sc-block_1-0-54\">A segunda fase \u00e9 a expuls\u00e3o. \u00c9 quando contra\u00e7\u00f5es intensas dos m\u00fasculos na regi\u00e3o genital fazem com que&nbsp;o s\u00eamen seja empurrado para fora do p\u00eanis.<\/p> <p id=\"mntl-sc-block_1-0-56\">Of note, some men who have had certain types of prostate cancer surgery may experience &#8220;dry&#8221; ejaculation. This is because their bodies no longer produce the fluid components of semen.<\/p> <p id=\"mntl-sc-block_1-0-58\">Aproximadamente um ter\u00e7o do fluido seminal vem da pr\u00f3stata. Outras gl\u00e2ndulas que contribuem para a produ\u00e7\u00e3o de fluidos seminal tamb\u00e9m podem ser afetadas por cirurgias de c\u00e2ncer.<sup>6<\/sup> <\/p> <p>The term &#8220;orgasm&#8221; is often used synonymously with ejaculation even though they are not the same thing. Although orgasm (characterized by feelings of intense pleasure) often takes place at the time of ejaculation, it can occur without ejaculation.<\/p> <p id=\"mntl-sc-block_1-0-62\">Alguns homens que s\u00e3o multi-org\u00e1sticos podem ter orgasmos m\u00faltiplos com apenas uma ejacula\u00e7\u00e3o. Outros homens n\u00e3o s\u00e3o capazes de ejacular. Esta condi\u00e7\u00e3o&nbsp;\u00e9 conhecida como anejacula\u00e7\u00e3o.<\/p> <h2 class=\"wp-block-heading\" id=\"mntl-sc-block_1-0-64\">Ere\u00e7\u00e3o vs. Ejacula\u00e7\u00e3o<\/h2> <figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.famplan.org.hk\/files\/animations-games\/FPAHK_sexedu_erection_e.jpg\" alt=\"\"\/><\/figure> <p id=\"mntl-sc-block_1-0-65\">\u00c9 importante notar que uma ere\u00e7\u00e3o n\u00e3o \u00e9 necess\u00e1ria para que a ejacula\u00e7\u00e3o ocorra. Ejacula\u00e7\u00e3o sem ere\u00e7\u00e3o n\u00e3o \u00e9 comum, mas \u00e9 poss\u00edvel.<\/p> <p id=\"mntl-sc-block_1-0-67\">The most frequent example of this takes place in adolescent boys while they sleep, referred to as nocturnal emissions or &#8220;wet dreams.&#8221; Nocturnal emissions can occur with or without the presence of an erection.<\/p> <p id=\"mntl-sc-block_1-0-69\">A ejacula\u00e7\u00e3o sem ere\u00e7\u00e3o tamb\u00e9m pode ser estimulada usando a vibra\u00e7\u00e3o do p\u00eanis em homens com certos tipos de les\u00e3o medular. Esta t\u00e9cnica tamb\u00e9m \u00e9 \u00e0s vezes usada para coletar esperma para procedimentos de reprodu\u00e7\u00e3o assistida.<\/p> <p id=\"mntl-sc-block_1-0-71\">Embora as vias fisiol\u00f3gicas que levam \u00e0 ere\u00e7\u00e3o e ejacula\u00e7\u00e3o estejam relacionadas, elas n\u00e3o s\u00e3o as mesmas. \u00c9 por isso que os inibidores do PDE-5 usados para tratar a disfun\u00e7\u00e3o er\u00e9til n\u00e3o t\u00eam um impacto significativo na capacidade do homem de ejacular.<\/p> <p id=\"mntl-sc-block_1-0-73\">Afetam o fluxo de sangue dentro e fora do p\u00eanis. N\u00e3o afetam a libera\u00e7\u00e3o dos componentes do s\u00eamen ou das contra\u00e7\u00f5es musculares da expuls\u00e3o.<\/p> <figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/eadn-wc03-196922.nxedge.io\/cdn\/wp-content\/uploads\/2018\/10\/man-and-woman-couple-in-bed.jpg\" alt=\"\"\/><\/figure> ","protected":false},"excerpt":{"rendered":"<p>Serotonin\u00a0is the key\u00a0hormone\u00a0that stabilizes our mood, feelings of well-being, and happiness. This\u00a0hormone\u00a0impacts your entire body. It enables brain cells and [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":10247,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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