Weiblicher Höhepunkt: Warum kommen Frauen überhaupt? | Quarks Dimension Ralph

Quarks Dimension Ralph August 11, 2024
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Quarks Dimension Ralph

@dimensionralph

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Herzlich willkommen bei „Quarks Dimension Ralph", dem Kanal von Quarks, in dem Ralph Caspers euch an die Grenzen der Wissenschaft mitnimmt! Schön, dass ihr hier gelandet seid! Aber war das euer freier Wille? Oder ist das, was ihr als freien Willen wahrnehmt vielleicht nur eine Illusion? Bei „Quarks Dimension Ralph“ geht es um echt komplizierte Fragen – von den Rätseln unseres Gehirns bis zu den Geheimnissen des Universums. Uns, und hoffentlich euch auch, macht es Spaß, über solche Fragen nachzudenken. Wir recherchieren gründlich, erzählen, wie Wissenschaftler:innen mit verblüffenden Experimenten nach Antworten suchen und ordnen die Ergebnisse ein. Auch wenn es für viele Fragen keine eindeutige Antwort gibt, liefern unsere Videos jede Menge Erkenntnisse mit Mindblow-Garantie. Impressum: https://www1.wdr.de/impressum/index.html Datenrichtlinie: https://www1.wdr.de/hilfe/datenschutz102.html Netiquette: https://www1.wdr.de/hilfe/kommentarregeln100.html

Video Description

Bei Quarks Dimension Ralph geht es dieses Mal um den Höhepunkt. Und zwar einzig und allein um den der Frauen – und das dürfte auch für viele Männer ziemlich interessant sein. Warum haben Frauen überhaupt einen Höhepunkt? Diese Frage beschäftigt die Wissenschaft schon lange. Denn anders als bei Männern ist bei Frauen kein Höhepunkt notwendig, um sich fortzupflanzen. Möglicherweise ist der weibliche Höhepunkt ein evolutionäres Erbe. Frauen hätten ihn demnach ohne direkten evolutionären Nutzen geerbt – vergleichbar mit den männlichen Brustwarzen, die bei Männern ebenfalls keine direkte Funktion erfüllen. Im Tierreich ist das teilweise anders. Bei einigen Tierarten spielt der Höhepunkt bei den Weibchen eine entscheidende Rolle: Bei ihnen wird der Eisprung nicht – wie beim Menschen – durch hormonelle Zyklen gesteuert, sondern erst durch den Höhepunkt ausgelöst. Das heißt: Sowohl Männchen als auch Weibchen müssen einen Höhepunkt haben, um sich fortzupflanzen. Der Zoologe Desmond Morris vermutete in den 1960er-Jahren, dass Frauen nach dem Höhepunkt länger waagerecht liegen blieben, was die Chance einer Befruchtung erhöhen könnte. Dann würde der Höhepunkt doch der Fortpflanzung dienen. Diese Hypothese konnte in neueren Studien allerdings nicht bestätigt werden. Eine andere Theorie besagt, dass durch Kontraktionen der Vagina während des Höhepunkts mehr Spermien durch den Muttermund gesaugt werden. Aber: In den Studien, die dazu gemacht wurden, hatte man die Kontraktionen mit Medikamenten ausgelöst. Tatsächlich fanden sich danach mehr Spermien im Uterus. Es bleibt jedoch unklar, ob dieser Effekt unter normalen Bedingungen, also ohne Medikamente, überhaupt auftritt. Denn während der Erregungsphase wird die Vagina länger und breiter („vaginal tenting“). Und das führt dazu, dass sich der Muttermund sogar von der Samenflüssigkeit entfernt. Neben Biologie und Evolution gibt es auch Erklärungen aus dem Bereich der Psychologie. Einer dieser Ansätze sieht den Orgasmus als Mittel zur Stärkung der Bindung zwischen Partnern. Sexualität ist ja mehr als nur Geschlechtsverkehr. Und schließlich erzählt euch Ralph noch einige wissenschaftliche Fakten, die euch vielleicht zu neuen und häufigeren Höhepunkten animieren! *Kapitel* 0:00 Intro 2:52 Ist der Höhepunkt der Frau ein evolutionäres Erbe? 4:36 Gibt es biologische Gründe für den Höhepunkt bei Frauen? 6:40 Welche psychologischen Gründe könnte es für den Höhepunkt bei Frauen geben? 9:14 So lebst du länger und gesünder, mit mehr Höhepunkten! Autor:innen: Katrin Krieft, Ralph Caspers Beratung: Franziska Hilfenhaus (Frau TV) Schnitt und Grafik: Christian Kloprogge, Christoph Köster (Studio Paeper) Sounddesign: Florian Ebrecht Redaktion: Nasibah Sfar *Videotipp* Ist der Höhepunkt bei Frauen und Männern unterschiedlich? https://www.youtube.com/watch?v=gIjVAGJaQmQ *Unsere wichtigsten Quellen* The Evolutionary Origin of Female Orgasm; in: Journal of Experimental Zoology Part B: Molecular and Developmental Evolution, 2016 Abstract: https://pubmed.ncbi.nlm.nih.gov/27478160/ Desmond Morris: The Naked Ape; 1967, S. 70 PDF: https://evol-biol.ru/docs/docs/large_files/naked_ape.pdf Human sperm competition: ejaculate manipulation by females and a function for the female orgasm; in: Animal Behaviour, 1993 PDF: https://www2.psy.uq.edu.au/~uqbziets/Baker&Bellis1993%20human%20sperm%20competition%20and%20the%20female%20orgasm.pdf Orgasm-induced prolactin secretion: feedback control of sexual drive? in: Neuroscience and Biobehavioral Reviews, 2002 PDF: https://www.researchgate.net/profile/Tillmann-Kruger/publication/11524855_Orgasm-induced_prolactin_secretion_Feedback_control_of_sexual_drive/links/5aa253db45851543e63bc64f/Orgasm-induced-prolactin-secretion-Feedback-control-of-sexual-drive.pdf The Effect of Female Orgasm Frequency on Female Mate Selection; in: Evolutionary Psychology, 2022 https://journals.sagepub.com/doi/10.1177/14747049221083536 The Relative Health Benefits of Different Sexual Activities; in: The Journal of Sexual Medicine, 2010 PDF: https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1743-6109.2009.01677.x Sexual activity, health and well-being – The beneficial roles of coitus and masturbation; in: Sexual and Relationship Therapy, 2007 PDF: https://www.researchgate.net/profile/Roy-Levin/publication/244887033_Sexual_activity_health_and_well-being_-_The_beneficial_roles_of_coitus_and_masturbation/links/5a4e74f3aca2726172bbc64e/Sexual-activity-health-and-well-being-The-beneficial-roles-of-coitus-and-masturbation.pdf Danke an die Kolleginnen von https://www.youtube.com/playlist?list=PLO8lnEN5VWhN7-CIcgTPhIpaG32bHlYX8 für den weiblichen Blick auf dieses Thema! Hat dir das Video gefallen? Dann abonniere jetzt @DimensionRalph auf YouTube! Und hier findest du den offiziellen Quarks-Kanal @Quarks Unsere Kollegen von den Quarks Science Cops gibt’s hier @quarkssciencecops #reproduction #humanbody #science #quarks

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