I-Sex First: I-Science yesicelo (2013)

Ulutsha kunye novuko olunzulu lwezocansi luyintlangano enokuzenzekelayo

Uphando malunga nezilwanyana lubonisa ukuba amava okuqala ngesini anokufumana amandla amaninzi okuyilo ngokuzibandakanya ngokwezesondo zodwa ngokwezinto esizicingayo, kwaye benze njalo ngeendlela ezithile zobuchopho. Cinga olu lulandelayo uphando malunga namantombazana amantombazana:

“Liphi elivumba ulinxibileyo, sithandwa sam?”

Umphandi uJim Pfaus wahlamba iiratshi zezilwanyana ezamkelekileyo zesini kunye ne-cadaverine (ivumba lezinyama ezonakalisayo) waza wazibeka emagumbini kunye abatsha intombi eyindoda. Ngokwesiqhelo iigundane ziyakuphepha ukubola kwenyama. Kuzelwe; asiyondlela yokuziphatha efundwayo leyo. Baza kungcwaba oogxa babo abafileyo kunye neepali ezenziwe ngomthi ezifakwe kwi-cadaverine.

Nangona kunjalo, eli yayilithuba lokuba aba bafana baselula baphulukane namakhadi abo e-V. Xa i-dopamine yabo inyuka ngolindelo, balala kunye nokuchwetheza amatyeli aliqela. (I-Dopamine "kufuneka uyifumane" i-neurochemical emva kwesidlo, inkuthazo, imeko kunye nokulutha.)

Kwiintsuku ezimbalwa emva koko, iigundane ezincinci zabekwa kwikheji enkulu enabafazi abanuka kamnandi kunye nabasetyhini benuka ukufa. Iigundane ezinemeko yecadaverine ziyifumene ngokungakhethi. Ngokwesiqhelo, abesilisa abanamava kulawulo abayi kusondela kubafazi ababenuka ukufa.

Inzulu kangakanani imeko? Kwiintsuku ezimbalwa kamva, iimeko zangaphambili zeentombi ezinyulu zafumana idowuli eyenziwe ngomthi egcwele i-cadaverine. Babedlala ngayo, kwaye abaninzi beyiluma — kanye njengokuba bebeya kwenza ukuba idowel ibixutywe nento abaqhele ukuyithanda, njengetshokholethi okanye incindi yelungu lobufazi. Ngaba oku kungachaza ukuba kutheni abasebenzisi abancinci be-porn bahlala bekhalaza ukuba baphela bethembekile kwi-porn engahambelaniyo nabo ulwabelana ngesondo okanye umfanekiso?

"Kutheni le ndoda ishushu kangaka?"

Inkqonkqo yindoda enyulu ingahlawuliswa ukhetha umlingani wesini esinye malunga neeveki ezimbini ngokufaka i-dopamine yakhe ngokuchanekileyo (ngoko ukulinganisa ukuvuswa kwesondo). Abaphandi bajonge intombi yindoda enyulu kunye ne-dopamine agonist (isicatshulwa esichaza i-dopamine), ize imbeke emgodini enye inkunzi. Iipositi ezimbini zaxhoma kunye kunye ngosuku. (I-dopamine agonist iphuma kwinkqubo malunga nomnye ngosuku.) Abaphandi baphinda ngokuphindaphindiweyo ngama2, ii-4 iintsuku.

Kwiintsuku ezimbalwa kamva, inkunzi ebuyiselweyo yavavanywa. Wayengenayo i-dopamine agonist kwinkqubo yakhe, wabekwa kwikheji kunye nomhlobo wakhe oyindoda kunye nomntu obhinqileyo owamkela ngokwesondo (khumbula ukuba i-dopamine yayiphume kwinkqubo yakhe). Ucinga ukuba yeyiphi impuku eyamguqula kakhulu? Ubonakalise impendulo engakumbi kwindoda. Into ebangela umdla kukuba, ukuba umhlobo wakhe wayeyintombi enyulu kwirati enemeko kwaye waye wabonisa nje ukudibana kwezentlalo. Nangona kunjalo, kwaye ngokungummangaliso, ukuba umhlobo wayengumlinganiso onamava ngokwabelana ngesondo, intombi enyulu ebonakalisiweyo ibonakalisile ukunyuka okungaphezulu, uphando ngakumbi ngesini, kunye nokucela okufana nabasetyhini-ngokuchasene nokuziphatha okuqhelekileyo kokunyuka kwamadoda. Abaphandi baqaphele ukuba i-rat eyintombi yayingeyontombazana, njengoko engazange azame ukunyusa enye i-rat. Nangona kunjalo indlela yakhe yokuziphatha ngokwesondo yayihambile kwindlela eyayiza kulandela ngaphandle kwemeko efanayo yesini. (Ngaba obu bubungqina bokuba abantu abadala banokuyiphembelela ngokulula indlela yokuziphatha kwabantwana ngokwesondo?)

An uvavanyo lwangaphambili Utyhile ukuba iigundane zabasetyhini azinakubekwa ngolu hlobo-ngamadoda kuphela. Kwakhona, ubungqingili besini esifanayo buhambile kwiintsuku ezingama-45 emva kokuba izazinzulu ziyeke imeko yokufakelwa, enokunceda ukucacisa ukuba kutheni abanye abafana beyeka iphonografi kwaye baqaphela ukuba ukuthanda kwabo ngokwesondo okugqithisileyo buyela ekuthandeni kwangaphambili.

I-neurochemistry ye-sex conditioning

Ungawukhumbula ngokucacileyo ngokucacileyo umfanekiso wokuqala / umntu owubonileyo, okanye umnxeba wokuqala owuthandayo. Kutheni le nto imikhondo / amava esondo kwangoko enamandla? Isizathu se-neurochemical. Ingqondo yolutsha ikwincopho yayo (1) mazinga e dopamine, (2) ukuqonda uphawu lwe-dopamine kunye (3) ubungozi bokuxhatshazwa. Amazinga abo e-DFosB nawo aphezulu kunabantu abadala. (Ngakumbi kwi-DFB ngexesha elithile.)

Inoveli, eyothusayo, evuselelayo inokuthi inyikimise ilizwe lokufikisa ngendlela engayi kuba yeyabantu abadala. Le nyani ye-neurochemical inyanzelisa ubuchopho abancinci ukuba bukhethe iithagethi zesini ngokokubonelela ngeyona buzz inkulu yesini. Ngokucacileyo, oku kusebenza kakuhle kwimeko apho ekuphela kwesistim esinamandla sesini ekugqibeleni esikhokelela kulutsha ekuqubaneni nabatshatileyo bokwenyani.

Nangona kunjalo le nyiyokyokliya iyona nto izazinzulu zixwayisa ukuba abantwana abaselula bayasengozini kunabantu abadala abadala. Uphando lubonisa ukuba i-hypersensitivity ukuvusa intsha kuthetha ukuba intsha ifumana izinto ezintle, izinto ezothusayo, kwaye nezinto ezihlaselayo zithandeka ngakumbi kunabantu abadala. Oku kubangela ukuba basengozini kakhulu ukuba babe nobulili bobulili kunye naluphi na ulwazi olunzulu, oluhle, ngokuthelekisana nabantu abadala. Cinga i-porn gonzo.

Xa i-dopamine isuka ngokwemvelo ngokumalunga namava okuqala esondo, ubuchopho bezilwanyana buphendula ngokuvelisa i-molecule eyaziwa ngokuthi ΔFosB. A Ucwaningo lwe-2013 iqinisekisile ukuba idibanisa imeko yezesondo. I-osBFosB inceda ingqondo ukuba izitshintshe ngokwasemzimbeni ukuze amava ezesondo exesha elizayo (kunye nazo zonke iindlela ezinxulumene noko) abhalise njengezona zinto ziphambili ngokubaluleka. Ama-dendrites ahluma ukwenza imikhwa enxulumene noko ivuse ngakumbi, ubumnandi buyekeleleke xa ezo zinto zibonakalisiwe, njl njl.

Izazinzulu zikholelwa ukuba, ngokuthetha ngokuziphendukela kwemvelo, eyona nto iphambili kwi-osBFosB kukucofa amava okuqala ezesondo (kwaye nakweyiphi na imeko yamava ezesondo emva koko), ngethemba lokuphucula impumelelo yokuzala. Kwimeko yamava esini okuqala e-cadaverine-laced amava ezesondo umyalezo we-osBFosB wawusithi, “Khumbula: Ivumba lokufa shushu—Ngokuba ikho xa wawusabelana ngesondo okokuqala! ”

“Kutheni ndingakwazi ukuthoba isantya?”

Iimeko zokuqala zesondo zinganamathela. Ngokwahlukileyo, isimo sengqondo sesondo sinamandla ngakumbi xa kwenzeka emva Iipatheni eziqhelekileyo zokubambisana zisekwa. Cinga lo uphando oluchazwe kuwo Uphengululo lukaPfaus ngemeko yesondo. Iingcali zenzululwazi zazisa iqela elimkelekayo kwindoda, emva koko, ngomzuzu, yamkhupha ngaphandle kwendlu yakhe. Ngokuphindaphindiweyo okwaneleyo, le nto yammisela ukuba ahlawule ngokukhawuleza kunokuba eqhelekileyo. Ukuba abesilisa bafunde le patheni ngexesha lamava abo okuqala ngokwesondo, bazinamathele-nangona xa kamva bavunyelwe ukungena ngokungathintekiyo kubafazi.

Ukuze babone umehluko, abaphandi bafundisa abafana abanobuchule (abaye bafunda isondo ngesantya esivamile) ukuba bajonge ngokukhawuleza, ngokukrazula amabhinqa emva komzuzu. Nangona kunjalo-ngokungafani neentlanzi eziziphatha kakuhle ngokwesondo-ama-rats anamava abuyele ekuziphatheni okuqhelekileyo xa evumelekile ukungena ngokungathintekiyo kubafazi.

Olu uphando lugxininisa nokuhlola okubandakanya abantu abadala. Ekuphenduleni kwiincinci zemali encinci, abantu abadala bakwazi ukulawula impendulo yabo yesini ngethuba ngelibhu, kodwa siphumelele kwi zilingo kamva.

nebhokhwe ephathekayoIsiphakamiso sokuba isimo sengqondo sokuqala ngokwesondo kunamandla ngaphezu kwesimo sengqondo sesondo esasemva koko sihambelana noko esikuva kubasebenzisi bezono-ntlone bafumana i-ED. Abafana abaphuhlisa ubulili babo phambi kokuba Basebenzisa i-intanethi ye-intanethi kuphela badinga iinyanga ezimbalwa zokubuyiselwa kwi-ED eyenziwa ngoononono kwaye banandipha ubulili be-3-D. Amathuba abo afakwe kwi-sexually stimulating early thoughts to imagination ephefumlelwe ngabalingani bokwenene kwaye (mhlawumbi) iziganeko zesini, okanye mhlawumbi zisebenzisa i-pornatic static efuna ukucinga. Ubulili boqobo bubonakala bukhulu ngakumbi ngokuthelekiswa.

Ngokwahlukileyo, abafana abaneengxaki zengqesho zesini, abaqalayo ukukratshiza kwi-intanethi, uhlala efuna ukuya kuthi ga kwiinyanga ezintandathu okanye nangaphezulu ukufikelela kwisini esonelisayo kunye neqabane lokwenyani. Uninzi lwentambo yesini sabo sokuqala ukuba basasaze, i-hi-def vids, izinto ezigqithileyo, ubutsha obungenasiphelo kwaye akukho ngcinga ifunekayo ngenxa yokufumaneka okulungeleyo kwe-Intanethi. Xa ekugqibeleni benxibelelana neqabane lokwenyani, abanye baxela ukuba "abaziva nto" ngexesha lokwabelana ngesondo ngomlomo okanye kwilungu lobufazi.

Ubuchopho babo buxhonywe kwangoko kwimibono ye-voyeur ye-porn, ugxininiso kumalungu omzimba awuthandayo kunye neentsana, kunye nokungaqhelekanga okuhlala kubhaliswa njengamandla ngakumbi kunamaqabane okwenyani (kuba ixhasa i-dopamine ephezulu).

Baye baqeqesha imidlalo engafanelekanga. Abanye babo kufuneka bayeke ukukhawuleza kwii-pixels ixesha elide Phambi kokuba iingqondo zabo zijonge ezinye (3-D) zesini. (Funda iakhawunti yomntu omnye ehlekisayo, nechukumisayo malunga nendlela ekunokuba ngumceli mngeni ngayo kule nkqubo: Wakhela iHarm. Gcina ukhumbule ukuba wayesekhulile kwaye wayefundile ukuthanda phambi kokuba wadibana ne-intanethi.)

Imiba yesimo sengqondo yesondo

Iigundane zinika elona thuba lilungileyo lokuqonda amandla okokuqala kumava ezesondo ngokwenzululwazi. Emva kwayo yonke loo nto, ibiya kuba yinto engekho emngciphekweni ukubeka emngciphekweni ubuni bobuntombi obuntombi kwilebhu ngeendlela ezinzulu kangako.

Akukho sizathu sokuthandabuza ukuba abantu abatsha bayafana neempuku xa kuziwa ekubambeni amava okwabelana ngesondo kwangoko. Ewe sele sele lubanzi uphando lomntu olubonisa ukuba ulutsha / ubuchopho kwi-pubescent bunomdla kakhulu kumvuzo kunakwingqondo yabantu abadala. Uphando olongezelelekileyo lubonisa ukuba ngabantu abadala abakwishumi elivisayo baphinda baphinde basebenzise i-neurocircuitry engasetyenziswanga, ke ukuba ulutsha luye lwayintambo kwinto engaqhelekanga, isini kunye namaqabane okwenyani kunokuba ngumceli mngeni omkhulu. Yabona Kutheni akufanele ukuba uJohnyny Watch Porn xa ethanda?

Ngexesha elizayo xa usiva umntu esithi "abantwana banesondo kwaye akukho mntu ufanele ukuthintela ukhetho lwabo ngokwesondo," bakhumbuze ukuba iingqondo zabantwana zichaphazeleka ikakhulu kukufaka iintambo kwezesondo kwizinto ezikhuthaza ezesondo, zokwenyani okanye zokwenziwa. Ngaphaya koko, uphando oluchazwe ngaphambili lubonisa ukuba ukuvuseleleka ngokwesini okunamandla kunamandla Guqula indlela eyahlukileyo yesini somntu ngeendlela ezingalindelekanga. Xa umntu eqala ukukhawuleza kwimeko ethile ye-orgasm iqinisa umbutho, isenza kube nzima ukubuyela kwindlela yentsusa yomntu.

Iintsana ezininzi ziyakwazi ukuchitha i-wiring kwiinkcukacha zesini zesini ezifanelekileyo ezilungiselelwe ngokukodwa ngabaontanga babo, ngcono. Ukuba banqwenela ukuhlolisisa i-kinky side of life makenze njalo emva bafikelela ebuntwini kwaye ubuchopho babo abangekho-plastiki kunye ne-hyper-active to cues.


EZIPHAKATHI:

Amava okuziphatha ngokwesini anokuchaphazela umsebenzi owenziwe ngokubambisana kwi-nitric oxide synthase ene-neurons kwindawo yangaphambili. (2014)

Iziphumo zibonisa ukuba ukuxhatshazwa kwandisa ukuthetha ngokubambisana kwe-Fos kwi-neurons ye-NOS, kwaye ukuba ukwanda kwenyuka kakhulu kwizilwanyana ezithatha ukudibana kwabo ngokwesondo, kubonisa ukuba amava okuqala ngokwesini akwandisa mveliso Akukho mveliso ye-rats. [Qaphela: i-NOS = i-nitric oxide synthase]

Ubunjengebuntongo obuneminyaka engama-10 bubambisana noThishino lwe-intanethi ephakamileyo (2013) -Isiqingatha-seyure sokubonisa imeko yezesondo kunye nengqondo yokufikisa.

Ukukhula kobungqina benzululwazi yomjikelezo we post-orgasm (uphando)

Uphononongo malunga nokulala phakathi kwezesondo kunye neziyobisi kwiingqondo    

Izifundo Fumana ukunyuka (kunye nokuhlala) kwi-Porn Users (2016)

Ukuvavanya kunye nexabiso le-hedonic kwikhethi lokukhetha (2018)