Neural Correlates ntawm kev sib deev Cue Reactivity nyob rau hauv tus neeg uas muaj thiab tsis muaj kev sib deev ntawm tus cwj pwm sib deev (2014)

Comments: Qhov ntev-awaited Voon kawm qhov tseem ceeb nyob rau hauv cov ntawv Askiv "Porn rau ntawm lub hlwb”Thaum kawg tawm. Raws li xav pom, Cambridge University cov kws tshawb nrhiav tau pom tias cov neeg siv yees siv yeeb yaj kiab cuam tshuam rau cov yeeb yaj kiab porn tib yam uas cov neeg quav yeeb quav tshuaj quav yeeb tshuaj. Tab sis muaj ntau yam ntxiv.

Cov neeg siv porn compulsive craved porn (ntau dua xav), tiam sis tsis muaj kev sib deev ntau dua (liking) dua li ntawm cov tswj. Qhov kev tshawb pom no zoo kawg nkaus nrog tus qauv tam sim no ntawm kev quav tshuaj, thiab thim qhov kev tshawb xav tias "siab dua kev sib deev”Yog nyob tom qab ntawm kev siv porn tsis muaj zog. Cov neeg quav yeeb tshuaj tau xav tias yuav tsum tau tsav kom nrhiav lawv cov tshuaj vim lawv xav tau - dua li lom zem - nws. Cov txheej txheem txawv txav no yog hu ua kev txhawb zog siab. Qhov no yog txoj kev saib xyuas kev quav tshuaj.

Lwm qhov kev tshawb nrhiav (tsis tshaj tawm hauv xov xwm) yog qhov tshaj 50% ntawm cov ntsiab lus (nruab nrab hnub nyoog: 25) tau ntsib teeb meem nrog cov neeg koom nrog tiag tiag, tab sis tseem muaj peev xwm ua tiav nrog porn. Los ntawm txoj kev tshawb no:

Cov ntsiab lus CSB tau tshaj tawm tias vim yog siv ntau dhau ntawm cov khoom siv sib daj sib deev… .. tau ploj zuj zus ntawm txoj kev muaj libido lossis kev coj ua haujlwm tshwj xeeb rau kev sib raug zoo nrog poj niam (txawm hais tias tsis muaj kev sib raug zoo nrog cov khoom siv sib deev) (N = 11) ... 

Muab piv rau cov neeg tuaj yeem pab dawb, CSB kawm tau ntau dua qhov kev sib deev uas xav tau lossis xav tau cov lus qhia meej heev thiab muaj cov qhab nia zoo dua rau cov cwj pwm, yog li pom tias kev sib cais ntawm kev xav thiab kev nyiam. CSB cov ntsiab lus tseem muaj qhov tsis zoo ntawm kev sib deev arousal thiab erectile nyuaj nyob rau hauv kev sib raug zoo sib txawv, tiam sis tsis nrog kev sib deev tsi ntsees cov ntaub ntawv tseem ceeb hais tias cov qhab nia siab ntshaw muaj meej rau cov cues qhia meej thiab tsis generalized heightened sexual yuam.

Lub hnub nyoog nruab nrab ntawm cov txiv neej nrog CSB yog 25, tsis tau 11 ntawm 19 qhov kev kawm dhau los ua erectile kawg / ploj zuj zus ntawm libido nrog cov neeg koom tes, tab sis tsis nrog porn. Tsawg dua kev sib deev nrog cov neeg koom nrog tiag, tsis tau muaj nqi dua ntawm lub chaw ua haujlwm kom pom tseeb txog kev porn, kiag li tsis kam “kev sib deev muaj siab dua” ua rau kev siv porn tsis zoo. Ib qho ntxiv, kev kawm tsis nyiam "nyiam" cov yeeb yaj kiab sib daj sib deev muaj ntau dua li kev tswj hwm. Lwm tus ntsia thawv rau hauv lub hleb ntawm “kev muaj siab rau kev sib deev ”tus qauv ntawm kev muaj yees porn.

Qhov no txhawb kev tiv thaiv kev kawm uas muaj siab dua qhov txiaj ntsim nruab nrab cov lus teb rau cov porn cues.

Thib ob, qhov no kiag li rhuav tshem cov lus thov uas yuam cov neeg siv porn tsuas yog muaj kev sib deev muaj siab ntau dua li cov uas tsis tau siv porn siv. Ua li cas peb thiaj paub?

  1. Kaum ib ntawm 19 cov txiv neej hluas tau nyuaj rau kev ua tiav erection / tau nrog aroused nrog tus khub tiag, tab sis tsis yog rau lawv nyiam porn.
  2. Cov txiv neej nrog CSB tsis tau muaj kev sib daj sib deev ntau dua.

Thaum kawg, cov neeg tshawb xyuas pom tau tias cov me nyuam yaus tau nce nqi zog rau kev ua haujlwm thaum lawv pom cov porn cues. Dopamine spikes siab dua thiab muaj txiaj ntsim zoo dua yog qhov tseem ceeb hauv cov hluas muaj kev ywj pheej rau kev quav yeeb quav tshuaj thiab kev sib deev.

Cov qhabnias ntawm Cambridge txoj kev tshawb nrhiav, thiab lub hli tas los kev kawm German (Lub Cev Hlwb thiab Kev Muaj Txuj Ci Nrog Kev Txuas Ua Kev Luam Yeeb Nrog Kev Txom Nyem: Lub Hlwb ntawm Porn. 2014), muab kev txhawb zog heev rau cov kev xav tau tawm ntawm YBOP ntawm qhov pib ntawm 2011.

Ua ke ntawm 2 cov kev tshawb fawb pom muaj:

  • Qhov 3 qhov tseem ceeb ntawm kev hloov pauv ntsig txog lub hlwb tau sib tham hauv YBOP cov yeeb yaj kiab & ntawv sau: hnov mob, desensitization, Thiab hypofrontality,
  • Tsawg arousal rau kev sib deev imagery (qhov xav tau rau stimulation ntau dua).
  • Tus yau ntawm cov neeg siv porn ntau dua qhov cue-induced reactivity nyob rau hauv lub nqi zog.
  • Heev siab ntawm ED hauv cov tub ntxhais hluas, cov neeg siv porn compulsive.

Luam tawm: Lub Xya hli ntuj 11, 2014

Abstract

Txawm hais tias muaj kev coj tus cwj pwm ntawm kev sib deev (CSB) los ua qhov "kev coj tus cwj pwm" thiab kev sib ntau los sis kev sib tshuam ntawm neural circuits muaj peev xwm tswj cov kev ua haujlwm ntawm cov khoom siv yeeb yam thiab kev siv yeeb tshuaj, me ntsis paub txog cov lus teb rau cov lus sib deev tsis zoo rau cov neeg uas muaj thiab tsis muaj CSB. Ntawm no, cov cues ntawm kev sib deev cov ntsiab lus tau raug soj ntsuam nyob rau cov tib neeg uas tsis muaj thiab tsis muaj CSB, tsom rau cov cheeb tsam neural uas tau txheeb xyuas hauv cov kev tshawb fawb ua ntej ntawm yeeb tshuaj-cue reactivity. 19 CSB cov ntsiab lus thiab 19 kev noj qab haus huv tuaj yeem raug soj ntsuam siv cov MRI ua haujlwm sib piv nrog kev sib deev cov yeeb yaj duab nrog cov yeeb yaj duab tsis nyiam kev sib deev. Cov kev sib tw ntawm kev sib deev thiab kev nyiam raug tau.

Cov txheeb ze rau cov neeg muaj kev noj qab nyob zoo, CSB cov ntsiab lus muaj ntau dua tab sis zoo ib yam li cov qhab nees hauv cov lus teb rau cov kev sib deev tsis zoo. Cov teeb meem ntawm kev sib deev nyob hauv CSB piv rau cov ntsiab lus tsis yog CSB tau txuam nrog kev kho ntawm dorsal anterior cingulate, ventral striatum thiab amygdala. Muaj kev cuam tshuam nrog kev sib txuas ntawm dorsal anterior cingulate-ventral striatum-amygdala network tau txuam nrog qhov kev sib deev hauv kev xav (tab sis tsis zoo) mus rau ib qhov degree ntau dua hauv CSB ntu tsis yog CSB. Lub dissociation ntawm kev ntshaw los yog xav thiab liking yog raws li cov kev xav ntawm kev txhawb siab hauv qab qhov kev CSB xws li kev quav yeeb tshuaj. Neural sib txawv hauv kev ua haujlwm ntawm kev sib deev-cue reactivity tau pom hauv CSB cov kev kawm hauv thaj tsam yav dhau los uas tau ua hauv kev tshawb nrhiav tshuaj-cue reactivity. Kev koom tes ntau dua ntawm corticostriatal limbic circuitry hauv CSB tom qab raug rau kev sib deev cues qhia tawm neural mechanisms pib CSB thiab tej lub hom phaj rau kev tiv thaiv.

Nuj nqis

Citation: Voon V, Mole TB, Banca P, Porter L, Morris L, et al. (2014) Neural Correlates ntawm kev sib deev Cue Reactivity nyob rau hauv tus neeg uas muaj thiab tsis muaj kev sib deev ntawm tus cwj pwm sib deev. PLOOS IB 9 (7): e102419. doi: 10.1371 / journal.pone.0102419

editor: Veronique Sgambato-Faure, INSERM / CNRS, Fabkis

Tau txais: Peb Hlis 6, 2014; Tau txais: Lub Xya hli ntuj 19, 2014; Luam tawm Lub Xya hli ntuj 11, 2014

Copyright: © 2014 Voon li al. Qhov no yog ib tsab xov xwm qhib-nthuav tawm raws li cov nqe lus ntawm Creative Commons Attribution Licence, uas tso cai siv, kev faib khoom, thiab kev tsim tawm hauv txhua qhov nruab nrab, los ntawm tus thawj tus kws sau ntawv thiab qhov chaw muaj npe.

Cov Ntaub Ntawv Muaj Peev Xwm: Cov sau phau ntawv lees paub tias tag nrho cov ntaub ntawv uas yog cov kev tshawb pom muaj txhij txhua yam tsis muaj kev txwv. Tag nrho cov ntaub ntawv muaj nyob hauv daim ntawv.

Nyiaj: Kev pab nyiaj los ntawm Wellcome Trust Intermediate Fellowship grant (093705 / Z / 10 / Z). Dr. Potenza tau txais kev txhawb los ntawm cov nyiaj pab cuam P20 DA027844 thiab R01 DA018647 los ntawm National Institutes of Health; lub Connecticut State Department of Mental Health thiab Txhim Kho; Chaw Kho Mob hauv Connecticut; thiab lub Chaw Ua Haujlwm Zoo Tshaj Plaub hauv Kev Twv Txiaj Kev Twv Txiaj ntawm National Center for Responsible Gaming. Cov nyiaj no tsis muaj lub luag haujlwm hauv kev tshawb nrhiav, kev sau cov ntaub ntawv thiab kev tshuaj xyuas, kev txiav txim siab yuav luam tawm, lossis npaj cov ntawv sau.

Kev nyiam kev sib tw: Cov sau phau ntawv tau tshaj tawm tias tsis muaj kev sib tw txaus siab.

Introduction

Qee zaus los yog muaj teeb meem rau kev sib daj sib deev, uas tau muab tso tawm ntawm tus cwj pwm yuam kev sib deev (CSB), kev tsis sib haum xeeb los yog kev sib daj sib deev, yog ib qhov chaw uas muaj feem xyuam uas yuav muaj kev puas hlwb thiab lub cev [1]. Txawm hais tias muaj ntau yam kev ntsuas tsis paub tias ntau qhov kev tshawb fawb ntawm kev nyuaj siab mob hlwb tsis xam cov kev ntsuas ntawm CSB, cov ntaub ntawv tseem ceeb qhia tias cov nqi rau CSB yuav muaj los ntawm 2 rau 4% hauv cov zej zog thiab cov tsev kawm ntawv qib siab hauv college uas zoo sib xws hauv cov kev kho mob hlwb [2]-[4], txawm tias ntau dua thiab cov nqi qis dua tau raug qhia raws li seb CSB txhais li cas [5]. Ib qho teeb meem nyuab tshaj nyob hauv kev txiav txim siab txog cov kev prevalence thiab kev cuam tshuam ntawm CSB yog tsis muaj cov ntsiab lus raug tsim rau cov teeb meem no. Txawm hais tias muaj cov kab mob hypersexual tau npaj tseg rau DSM-5 [6], qhov teeb meem no tsis muaj nyob rau hauv DSM-5. Txawm li cas los xij, xws li CSB tej zaum yuav cuam tshuam nrog kev nyuab siab, kev xav txaj muag thiab kev nyuab siab tsis zoo, nws yog qhov kev ntsuam xyuas ncaj qha.

Qhov zoo tshaj plaws rau conceptualize CSB tau tawm tsam, nrog cov lus qhia uas xav kom txiav txim siab mob raws li kev tswj hwm tus kheej los yog tsis muaj kev quav tshuaj los yog "kev coj tus cwj pwm" [7]. Raws li cov ntaub ntawv uas twb muaj lawm, txoj kev twv txiaj (lossis kev twv txiaj tsis zoo) tau nyuam qhuav raug faib cais hauv DSM-5 nrog rau kev siv tshuaj yeeb dej caw ua ib tus neeg coj cwj pwm [8]. Txawm li cas los xij, lwm yam mob (piv txwv li, cov uas muaj feem xyuam hauv kev siv internet, video-gaming los yog sib deev) tsis muaj nyob rau hauv qhov tseem ceeb ntawm DSM-5, vim yog vim muaj kev txwv rau cov ntaub ntawv [9]. Yog li, qhov kev nkag siab zoo ntxiv txog CSB thiab qhov nws yuav qhia tau zoo sib xws los sis txawv ntawm cov kev siv tshuaj yeeb dej caw yuav pab nrog kev sib koom ua haujlwm thiab tsim kom muaj kev tiv thaiv zoo dua thiab kev kho mob. Cov khoom ntawm kev siv tshuaj, kev twv txiaj thiab kev mob hypersexual (xws li, kev tsis ncaj ncees lossis kev ua siab zoo), kev tshawb xyuas cov ntsiab lus tseem ceeb (piv txwv, cue reactivity) yuav tsum tshawb nrhiav ncaj qha hauv CSB.

Cue reactivity feem ntau tseem ceeb rau kev sib thooj ntawm kev siv tshuaj yeeb dej caw. Piv txwv li, qhov teeb meem ua kom muaj cuaj caum yog txuam nrog relapse [10], [11]. Ib qho kev ntsuas ntawm kev tshawb fawb nyob rau hauv kev tshawb fawb ntawm cue reactivity thoob cov tshuaj yeeb dej cawv, nicotine thiab cocaine ua rau muaj kev cuam tshuam rau cov tshuaj cues hauv ventral striatum, dorsal anterior cingulate (dACC) thiab amygdala, nrog rau kev ua haujlwm dhau los rau tus kheej-qhia tau tias yog vim li cas rau dACC, pallidum thiab ventral striatum [11]. Txawm li cas los xij, qhov uas cov cheeb tsam no pom tau tias muaj peev xwm sib txawv ntawm kev sib deev nrog lwm tus neeg thiab tsis muaj CSB tsis tau kawm.

Cov qauv sib txawv tau raug nthuav tawm los piav txog kev coj tus cwj pwm, nrog ib tus qauv yeeb yaj kiab uas muaj kev sib nyiam, "xav" los ua dissociated ntawm "liking" raws li ib tug ua quav [12]. Txawm li cas los xij, qhov uas nws nyiam thiab xav txog kev sib deev nrog kev sib deev thiab nws cov kev sib raug zoo hauv CSB tsis tau soj ntsuam kev tshawb nrhiav, thiab cov kev tshawb pom los ntawm cov kev tshawb fawb no yuav muab cov ntaub ntawv los pab coj tus cwj pwm zoo tshaj plaws ntawm CSB thiab txheeb xyuas cov neural lub hom phiaj rau kev kho mob kev loj hlob.

Ntau cov kev tshawb fawb tau npaj rau kev sib deev cues hauv kev noj qab haus huv tuaj yeem paub thaj chaw xws li hypothalamus, thalamus, amygdala, anterior cingulate cortex, anterior insula, inferior frontal cortex, fusiform gyrus, precentral gyrus, parietal cortex thiab nruab nrab occipital cortex [13]-[19]. Cov cheeb tsam no muaj kev cuam tshuam hauv kev ua haujlwm ntawm lub cev thiab kev xav ntawm kev xav, kev xav thiab cov visuospatial, thiab kev txhawb zog. Kev siv kev ntsuas ntawm rab qau tumescence, lub thev naus laus zis, lub tsho, lub qhov ntswg, qhov ncauj, lub cev nqaij tawv, lub qhov clamp, thiab cov tshuaj hypothalamus tau pom tias lawv ua si [15], [20]. Cov kev sib txawv ntawm pojniam los txivneej tau tshaj tawm nrog cov txivneej uas muaj ntau dua amygdala thiab kev ua haujlwm ntawm kev ua haujlwm rau kev sib deev rau cov pojniam, thiab cov kev txawv no tej zaum yuav muaj kev cuam tshuam cov kev ntshaw [21]. Ib qho kev ntsuas-tshawb tau pom tias muaj lub hlwb lub hlwb mus rau kev ua lag luam, cov khoom noj thiab cov khoom noj muaj xws li cov ventromedial prefrontal cortex, ventral striatum, cov kab mob, lub thev ntaws ntawm sab hauv thiab cov neeg nruab nrab [22]. Khoom noj khoom haus thiab erotic ntshaw tau txuam tshwj xeeb nrog anterior insular ua si thiab erotic ntshaw ntau nrog cov amygdala kev ua si. Ib txoj kev tshawb kawm tsis ntev los no tau pom tias ntev ntawm kev siv cov ntaub ntawv hauv online ntawm cov txiv neej muaj kev noj qab haus huv muaj kev sib raug zoo nrog qhov kev ua si sab laug thiab kev txo qis caudate kom luv luv tseem [23].

Neurophysiological cov kev tshawb fawb ntawm CSB hauv cov pejxeem tsis yog noj qab haus huv tuaj yeem pab dawb dua. Ib qho kev tawm dagzog MRI los kawm txog ib pab pawg tsawg tsawg ntawm cov uas tsis muaj teeb meem CSB (N = 8) piv rau cov neeg pab dawb (N = 8) pom muaj qhov sib txawv hauv cov cheeb tsam sab nraud [24]. Cov kev kawm raug tshawb nrhiav los ntawm 7 ntawm 8 cov ntsiab lus uas muaj keeb kwm cawv siv kab mob, 4 ntawm 8 nrog keeb kwm ntawm lwm yam kev quav tshuaj lossis kev saib xyuas thiab 1 ntawm 8 nrog keeb kwm ntawm obsessive compulsive disorder. Hauv kev tshawb nrhiav ntawm 52 txiv neej thiab poj niam CSB kawm nrog cov teeb meem tswj online ntawm kev sib deev dluab nrhiav tau ntawm kev tshaj tawm hauv online, raug cov duab yeeb yaj kiab uas zoo li cov duab tsis sib thooj tau txuam nrog qhov siab ntawm cov lus teb P300, [25]Cov. Raws li qhov kev ntsuas no cuam tshuam nrog kev sib deev muaj zog kev xav tab sis tsis yog kev ntsuas kev sib deev, cov sau phau ntawv tau hais qhia P300 qhov ntau ntawm kev sib deev muaj siab rau kev sib deev es tsis yog kev coj cwj pwm. Hypersexuality tau tshaj tawm hauv cov lus qhia txog cov hlab ntsha hlwb tsis zoo thiab lawv cov tshuaj txuam nrog. Kev tiv thaiv tsis haum hypersexuality, tshwm sim hauv 3-4% ntawm Parkinson cov neeg mob thiab cuam tshuam nrog cov tshuaj dopaminergic [26], [27], kuj tau kawm txog kev siv cov qauv kev thev duab. Cov ntaub ntawv qhia siv cov technetium-99 m-ethyl cysteinate dimer SPECT tsom xam cov ntshav khiav hauv cov cheeb tsam mesial temporal hauv CSB [28]Cov. Kev tshawb nrhiav loj dua los ntawm Parkinson cov neeg mob uas muaj lub siab ntev dua tau pom tias muaj MRI ntau dua Cov Ntshav Qib Ntshav Qib Uas ua rau kev ua yeeb yam rau kev sib deev duab uas cuam tshuam nrog kev ua kom muaj kev sib deev. [29], uas cov neeg sau phau ntawv pom tias yuav muaj kev cuam tshuam kev txhawb siab rau kev xav ntawm kev quav tshuaj. Kev tshawb voxel-based-morphometry ntawm hypersexuality feem ntau tau qhia nyob rau hauv kev coj tus cwj pwm ntawm cov nyom frontotemporal dementia, kab mob uas cuam tshuam txog ventromedial frontal thiab anterior temporal regions, pom ntau lub atrophy ntawm txoj cai ventral putamen thiab pallidum nrog koom nrog cov nqi zog nrhiav [30]. Ntawm qhov kev ceeb toom, hauv qhov qauv no, hypersexuality tau qhia tawm hauv 17% nrog rau lwm yam kev nrhiav nyiaj rau kev ua nrog rau cov overeating hauv 78% thiab tshiab lossis haus cawv lossis tshuaj siv hauv 26% ntawm cov neeg hauv txoj kev tshawb no. Hauv kev kawm tam sim no, peb tsom rau cov kev kawm CSB hauv cov pejxeem.

Ntawm no peb tau ntsuam xyuas qhov cue reactivity piv txwv nrog kev sib deev uas siv cov yeeb yaj kiab uas tsis muaj kev sib deev (xws li cov yeeb yaj duab ntawm kev ua si) thiab cov kev sib tw ntawm kev sib deev lossis xav thiab nyiam ua nrog rau thiab tsis muaj CSB. Peb pom tias cov tib neeg nrog CSB li piv rau cov neeg uas tsis muaj kev xav tau ntau dua (xav) tab sis tsis nyiam (zoo ib yam ntawm pawg) teb rau kev sib daj sib dees tab sis tsis yog tsis muaj kev sib deev tsis nyiam. Txawm hais tias muaj ntau yam hauv cheeb tsam tau raug teb rau kev sib deev cues hauv kev noj qab haus huv tuaj pab dawb, raws li peb tau kawm cov neeg mob CSB, peb xav tias yuav muaj ntau dua kev ua kom sib deev zoo li piv rau cov tsis muaj kev sib deev exciting cues hauv thaj chaw hauv cov cue yeeb tshuaj reactivity cov kev tshawb fawb nrog rau ventral striatum, dACC thiab amygdala. Peb kuj pom tias cov kev ua haujlwm hauv lub zos no yuav muaj kev sib txuas los ntawm cov pawg neeg, tiam sis muaj zog tshaj rau cov neeg uas muaj CSB raws li cov tsis muaj, thiab qhov kev sib deev muaj siab (xav tau) yuav muaj kev sib txuas ntau ntxiv nyob rau cov cheeb tsam no hauv cov tib neeg nrog CSB cov uas tsis muaj. Muab cov kev hloov hauv kev loj hlob hauv lub hauv paus motivational uas coj tus cwj pwm coj zoo [31], peb kuj tshawb txog kev sib raug zoo nrog lub hnub nyoog.

txoj kev

CSB cov kev kawm tau nrhiav los ntawm kev tshaj tawm hauv Internet thiab xa tawm los ntawm kws kho mob. Cov neeg tuaj yeem pab dawb raug nrhiav tau los ntawm cov lus tshaj tawm hauv zej zog hauv cheeb tsam East Anglia. Rau pawg CSB, kev ntsuam xyuas tau siv cov Kev Sib Deev hauv Kev Sib Deev hauv Internet (ISST) [32] thiab ib tus neeg tshawb nrhiav txog kev sib tham nrog cov lus qhia xws li hnub nyoog pib, zaus, sijhawm, sim tswj kev siv, kev tsis tuaj yeem, qauv siv, kev kho thiab tsis zoo. CSB cov kev kawm sib tham tim ntsej tim muag nrog ib tus kws kho mob kom paub meej tias lawv tau ntsuas cov kev ntsuam xyuas rau CSB [6], [33], [34] (Cov lus S1 nyob rau hauv Cov ntaub ntawv S1) tsom rua kev siv compulsive siv cov ntaub ntawv online ntawm kev sib deev tsi ntsees. Tag nrho cov neeg koom siab tau ntsib cov lus tshawb nrhiav pom zoo rau Hypersexual Disorder [6], [33] thiab cov txheej xwm rau kev sib daj sib deev [34] (Cov lus S1 nyob rau hauv Cov ntaub ntawv S1).

Los ntawm kev tsim thiab muab qhov ntawm cov cues, tag nrho CSB cov kev kawm thiab cov neeg ua haujlwm pab dawb noj qab nyob zoo yog txiv neej thiab heterosexual. Txiv neej noj qab haus huv tuaj pab dawb tau muaj hnub nyoog (+/- 5 xyoo) nrog rau kev kawm CSB. Ib tug ntxiv 25 hnub nyoog matched txiv neej heterosexual noj qab haus huv tuaj pab dawb underwent video ratings sab nraum lub scanner los xyuas kom meej ntawm cov lus teb rau cov yeeb yaj duab raws li kev soj ntsuam los ntawm cov lus teb cov lus teb. Cov kev tsis suav nrog suav nrog hnub nyoog qis dua 18 xyoo, muaj keeb kwm ntawm kev quav yeeb tshuaj, raug siv tam sim no ntawm cov tshuaj txhaum cai (suav nrog cannabis), thiab muaj kev puas siab puas ntsws loj, suav nrog kev nyuaj siab tam sim no-kev nyuaj siab tseem ceeb (Cov Kws Muaj Peev Xwm Kev Nyuaj Siab) > 20) lossis muaj qhov cuam tshuam txog kev tsis txaus siab, lossis keeb kwm muaj kev puas siab puas ntsws bipolar lossis schizophrenia (Mini International Neuropsychiatric Inventory) [35]. Lwm yam kev yuam cai lossis kev coj cwj pwm tsis zoo kuj raug cais tawm. Cov kev kawm raug soj ntsuam los ntawm ib tug kws kho mob hais txog kev siv online gaming lossis kev tshaj xov xwm, kev tshawb fawb txog kev twv txiaj lossis kev ua lag luam, cov menyuam yaus lossis cov laus neeg paub tsis meej tias muaj mob tsis zoo, thiab kev kuaj plab tsis tu ncua. Cov kev kawm kuj tau raug soj ntsuam kom muaj kev sib thooj nrog MRI.

Cov ntawv kawm tiav UPPS-P Impulsive Behavior Scale [36] los ntsuam xyuas qhov tsis zoo, Beck Depression Inventory [37] thiab Lub Xeev Kev Nyuaj Siab Kev Nyuaj Siab [38] los txheeb xyuas kev nyuaj siab thiab kev ntxhov siab, ntsig txog, Obsessive-Compulsive Inventory-R los ntsuam xyuas obsessive-compulsive nta thiab kev siv Cawv Cov Kev Ntsuas Txheeb Kev Ceeb Toom (AUDIT) [39]Cov. Kev siv Is Taws Nem feem ntau siv tau ntsuas los ntawm Kev Siv Tshuaj Ntsuam Kev Tiv Thaiv Kev Siv Internet (YIAT) [40] thiab Kev Siv Internet Siv Compulsive (CIUS) [41]. Lub Tsev Qib Siab Cov Neeg Laus [42] tau siv kom tau qhov kev ntsuas ntawm IQ. Ib tug hloov kho version ntawm Arizona Kev Sib Deev Kev Sib Deev (ASES) [43] tau siv nrog rau ib qho kev sib raug zoo rau kev sib raug zoo thiab lwm cov ntaub ntawv muaj feem xyuam rau kev sib deev nyob hauv internet.

Cov cwj pwm kev kawm muaj qhia nyob rau hauv Table S1 Cov ntaub ntawv S1. CSB cov ntsiab lus muaj kev nyuaj siab thiab ntxhov siab cov qhab nias (Cov lus S2 hauv Cov ntaub ntawv S1), tab sis tsis muaj kev txhawj xeeb ntawm kev nyuaj siab loj. Ob ntawm 19 CSB cov kev kawm tau noj tshuaj antidepressants los yog muaj cov teeb meem tsis haum xeeb thiab kev phobia (N = 2) lossis kev phobia (N = 1) lossis keeb kwm menyuam yaus ntawm ADHD (N = 1). Ib tug CSB kawm thiab 1 tus kws pabcuam noj qab haus huv tau siv cov cannabis sib quas ntus.

Sau ntawv pom zoo tau txais, thiab txoj kev tshawb no tau pom zoo los ntawm University of Cambridge Research Ethics Committee. Cov kev kawm raug them rau lawv txoj kev koom tes.

Tus cwj pwm coj cwj pwm

Cov ntsiab lus ntawm cov ntsiab lus thiab cov lus nug tau raug muab coj los piv rau kev siv t-xeem lossis Chi-square tests. Kev ntsuas ntau yam tau siv rau cov qhab-nees ASES. Kev ntsuas ntawm kev sib deev los yog liking, sib xyaw ntsuas ANOVA siv los piv qhov txawv ntawm qhov txawv ntawm cov kev ntsuam xyuas erotic (CSB, non-CSB) raws li kev sib tw kev sib tw, yees duab hom (ntsees los yog erotic cues) (muaj siab lossis nyiam) raws li kev ntsuas hauv kev kawm.

Neuroimaging

Hauv kev ua haujlwm, kev tshuaj xyuas video clip tuaj yeem hais txog kev sib npaug los ntawm 5: muaj kev sib deev, tsis pub muaj kev sib deev, nyiaj thiab nruab nrab. Cov yeeb yaj duab tau tshwm sim rau 9 cov vib nas this, raws li yog ib lo lus nug yog hais tias tus yees duab yog sab hauv lossis sab nraum zoov. Cov ntawv teb tau siv 2-button key-pad nrog lawv cov naj npawb thib ob thiab ntawm lawv sab xis los xyuas kom lawv paub zoo. Cov lus nug tshwm sim thaum lub sijhawm interdiction ntawm 2000 mus rau 4000 lub xyoo txhiab. Cov yeeb yaj kiab tau nthuav tawm kev sib deev kev sib deev ntawm ib tug txiv neej thiab ib tug poj niam uas tau txais los ntawm cov yeeb yaj duab downloaded hauv Internet nrog cov ntawv tso cai tau thaum tsim nyog. Piv txwv ntawm cov yeeb yaj duab uas muaj yees duab tso tawm nrog tus poj niam hnav ris tsho ua si los yog qhov chaw ntawm ib tug poj niam txhuam nws tus ncej. Cov yeeb yaj kiab tsis nyiam kev yeeb yaj kiab uas pom tias cov yeeb yaj kiab ua zoo sib xws hauv cov yeeb yaj duab los ntawm cov Thoob Ntiaj Teb Cov Yeeb Yam Suab Seev Suab, xws li caij skiing, ntuj-dhia, pob zeb nce toj, lossis maus taus caij. Cov yeeb yaj duab nyiaj tau pom cov duab ntawm cov nyiaj npib los yog ntawv nyiaj them nyiaj, ntog lossis tawg. Ntaus yeeb yaj duab tsis pom kev ua yeeb yaj kiab. Cov kev mob tau raug xaiv los ntawm yim zaug ib zaug uas tau tshwm sim rau tag nrho 40 video clips. Tsib cov yeeb yaj duab sib txawv ib zaug tau qhia rau tag nrho 25 txawv video clips.

Nyob rau hauv kev yees duab-kev ntsuam xyuas hauj lwm sab nraum lub scanner, cov kawm tau saib tib cov yeeb yaj duab thiab ua tiav qhov ntsuas kev sib tw rau kev sib deev muaj siab thiab kev nyiam. Cov ntsiab lus raug nug cov lus nug nram qab no rau 2 cov duab sib luag: 'Ntau npaum li cas qhov no ua rau koj xav tau kev sib deev?' thiab 'Koj nyiam qhov yees duab no pes tsawg?' thiab qhia lo lus teb siv tus nas nrog ib txoj kab ntawm 'Hnyav me ntsis' rau 'Lawm heev'. Ib tug ntxiv 25 txiv neej noj qab haus huv tuaj pab dawb tau soj ntsuam ntawm txoj haujlwm video-kev ntsuam xyuas. Cov kev kawm raug nug yog lawv tau saib cov yeeb yaj duab ua ntej txoj kev tshawb fawb. Tag nrho cov hauj lwm tau raug siv E-Prime 2.0 software.

Cov ntaub ntawv tshaaj thiab kev ua haujlwm

Kev tsis tshuam ntawm txoj kev tshawb fMRI tau piav nyob rau hauv Cov ntaub ntawv S1Cov. Lub 9-thib ob ntawm cov yeeb yaj kiab thiab cov kev sib txuas lus ib zaug tau ua qauv zoo li lub thawv-lub tsheb ua haujlwm pom zoo nrog hemodynamic teb cov haujlwm. Kev tsom xam tau ua los siv cov qauv dav dav. Cov xwm txheej video tau muab piv nrog kev siv ANOVA nrog pab pawg (CSB, tsis-CSB) ua ntu nruab nrab ntawm cov ncauj lus thiab tus mob (hom yeeb yaj kiab) ua cov ntsiab lus sab hauv. Cov kev cuam tshuam tseem ceeb ntawm pab pawg thoob plaws txhua yam mob tau muab piv ua ntej. Qhov cuam tshuam ntawm kev mob raug muab piv rau qee tus kheej sib txawv tsis meej, muaj teeb meem tsis txaus ntseeg thiab nyiaj txiag nrog qhov mob txaus siab. Cov yeeb yaj duab kis las lom zem tau siv los ua kev tswj hwm rau cov teeb meem tsis meej thiab erotic thaum lawv ob leeg koom nrog cov tib neeg txav hauv cov yeeb yaj kiab. Cov kev ua tau zoo dua li tag nrho lub hlwb-tsev neeg ntse-qhov yuam kev (FWE) kho qhov P <0.05 raug suav tias yog qhov tseem ceeb hauv kev sib piv tseem ceeb. Pawg-ntawm-mob (piv txwv li CSB (qhia tau meej - txaus siab) - Noj qab haus huv pab dawb (qhia tau meej - txaus siab) kev sib cuam tshuam tsom mus rau ib tug priori kev soj ntsuam thaj tsam ntawm cov kev txaus siab tau ua yog tias qhov sib piv ntawm cov kev mob (piv txwv meej meej - zoo siab) pom cov cheeb tsam tseem ceeb ntawm tag nrho-lub paj hlwb FWE P <0.05 qib. Hnub nyoog thiab qhov kev nyuaj siab tau muab siv ua covariates. Cov qhab-nees xws li kev ntsuas kev xav ntawm kev sib deev thiab cov lus teb los ntawm cov cues video, cov qhab nia ntawm Young Internet Addiction Test, thiab hnub abstinent tau suav nrog cov qauv ua cov nyiam kev nyiam. Cov kev xav ntawm lub hnub nyoog tseem raug tshawb xyuas, kev tswj kev nyuaj siab thiab qhov muaj siab xav, thoob pawg thiab siv cov ncauj lus ntsej muag.

Lub ventral striatum, amygdala thiab dorsal cingulate tau thaj tsam ntawm cov paj laum. Rau cov peb cheeb tsam nrog muaj zog ib tug priori kev xav, peb ua ke ntawm ROI siv qhov ntsuas me-ntim-kho (SVC) nrog Kev Hloov Kho Rau Tsev Neeg-Txawj Ntse ntawm p <0.05 pom tias tseem ceeb. Raws li pom qhov sib txuas ntawm kev xav txog kev ua kom dorsal aingior cingulate ua kom tiav, kev soj ntsuam kev xav tau ntawm psychophysiological tau ua nrog dorsal cingulate raws li cov noob thaj av (tswj xyz = 0 8 38 hli, xov hluav taws xob = 10 hli) qhov sib txawv tsis meej - cov yeeb yaj duab zoo siab. Raws li kev muaj feem ntawm kev koom tes ntawm mesolimbic thiab mesocortical circuitry, kev ua si hauv qhov muaj zog nigra kuj tau raug ntsuas raws qib kev tshawb nrhiav. Lub ventral striatal anatomical thaj av ntawm kev txaus siab (ROI), yav dhau los siv lwm txoj kev tshawb nrhiav [44], tau txhais tes kos hauv MRIcro tom qab lub ntsiab lus ntawm ventral striatum los ntawm Martinez li al. [45]. Cov ROIs rau cingulate thiab amygdala yog tau los ntawm qhov ncauj cov qauv hauv WFUPickAtlas SPM Toolbox [46]. Ob lub ntsiab lus sib txawv rau kev lag luam ntau ntawm Nia Rijtsis tau siv nrog WFUPickAtlas template thiab ib pob twv ROI hauv MRIcro uas siv cov tub ntxhais kawm ntawv hloov mus rau cov tub ntxhais kawm ntawv 17. Tag nrho cov ntaub ntawv ntsuam xyuas tau ua tiav thiab tshawb xyuas siv SPM 8 (Wellcome Trust Center rau NeuroImaging, London, UK).

tau

Cov yam ntxwv

Kaum cuaj txiv neej nrog CSB (lub hnub nyoog 25.61 (SD 4.77)) thiab 19 muaj hnub nyoog zoo sib xws (hnub nyoog 23.17 (SD 5.38) xyoo) txiv neej noj qab nyob zoo tuaj yam tsis muaj CSB tau kawm (Cov lus S2 nyob rau hauv Cov ntaub ntawv S1). Ib qho ntxiv 25 zoo sib xws (25.33 (SD 5.94) xyoo) cov txiv neej uas nyiam noj qab haus huv tuaj yeem tau txais cov yeeb yaj duab. CSB cov ntsiab lus tau qhia tias vim yog siv ntau tshaj ntawm kev sib daj sib deev, lawv tau poob hauj lwm vim kev siv ntawm hauj lwm (N = 2), kev sib raug zoo los sis cuam tshuam lwm yam kev ua si (N = 16), muaj kev paub txog kev txo qis qis qis los yog kev ua haujlwm erectile uas muaj kev sib raug zoo nrog cov poj niam (tab sis tsis nyob hauv kev sib raug zoo rau cov khoom sib deev tsi ntsees) (N = 11(N = 3; los ntawm £ 2 rau £ 3). Kaum tseem kawm tau los sis tau tawm tswv yim rau lawv tus cwj pwm. Tag nrho cov ntsiab lus tau qhia txog kev zoo siab nrog rau kev saib kev sib deev hauv online. Cov kev kawm tseem qhia txog kev siv cov kev pabcuam luv (N = 7000) thiab cybersex (N = 15000). Nyob rau hauv ib qho kev qhia ntawm kev sib deev Arizona Kev Sib Deev [43], CSB cov ntsiab lus piv rau cov neeg ua haujlwm pab dawb kom muaj kev nyuaj siab ntau nrog kev sib deev arousal thiab muaj kev nyuaj ntau dua ntawm kev sib deev hauv kev sib deev sib raug zoo nrog kev sib deev, tiam sis tsis yog kev sib deev tsi ntsees (Cov lus S3 nyob rau hauv Cov ntaub ntawv S1).

Muab piv rau cov neeg tuaj yeem pab dawb, CSB cov kev kawm tau pom thawj zaug hauv online ntawm kev sib deev nyob rau hnub nyoog dhau los (HV: 17.15 (SD 4.74); CSB: 13.89 (SD 2.22) nyob rau hauv lub xyoo) raws li cov hnub nyoog pib siv Internet (HV: 12.94 (SD 2.65); CSB: 12.00 (SD 2.45) hauv xyoo) pawg-los-pib ntawm kev sib raug zoo: F (1,36) = 4.13, p = 0.048). CSB kawm tau siv Internet ntau dua kom muaj kev noj qab haus huv tuaj pab dawb (Table S3 in Cov ntaub ntawv S1). Tseem ceeb, CSB cov kev kawm qhia txog kev siv Internet rau kev saib xyuas kev sib deev hauv online rau 25.49% kev siv hauv online (rau qhov nruab nrab 8.72 (SD 3.56) xyoo) piv rau 4.49% hauv cov kws muaj kev noj qab haus huv (t = 5.311, p <0.0001) (CSB thiab HV: kev sib deev cov khoom siv sib deev: 13.21 (SD 9.85) vs. 1.75 (SD 3.36) teev toj ib lis piam; tag nrho kev siv internet: 37.03 (SD 17.65) thiab 26.10 (18.40 ) cov xuab moos tauj ib lim tiam).

Cue reactivity

Cov ntsiab lus ntawm kev xav thiab kev nyiam ntawm cov yeeb yaj duab raug dissociated nyob rau hauv uas muaj ib qho kev pab pawg neeg los ntawm-kev ntaus nqi-hom-los-yees duab-hom kev sis (F (1,30) = 4.794, p = 0.037): muaj siab rau cov yeeb yaj duab qhia tau zoo dua hauv CSB piv rau cov neeg ua haujlwm pab dawb (F = 5.088, p = 0.032) tiam sis tsis yog los ntawm cov cotes (F = 0.448, p = 0.509), whereas liking kev rau cov cotes cues muaj ntau dua hauv CSB piv rau cov neeg noj qab haus huv tuaj pab dawb (F = 4.351, p = 0.047) tab sis tsis yog qhia tau meej meej cues (F = 3.332, p = 0.079). Lub siab xav thiab liking cov qhab nia rau cov lus qhia tau meej heev tau yoojyim (HV: R2 = 0.696, p <0.0001; CSB: R2 = 0.363, p = 0.017) txawm hais tias qhov kev hloov tsis tau zoo tsis txawv ntawm pawg (F = 2.513, p = 0.121). Muaj kuj tsis muaj qhov sib txawv hauv video-ntsuam xyuas cov qhab nia rau kev ntshaw thiab kev nyiam rau txhua qhov kev sib tw ntawm cov neeg ua hauj lwm kom noj qab haus huv thiab ib qho ntxiv 25 noj qab haus huv tuaj pab dawb tawm tswv yim rau cov kev tshaj tawm rau cov yeeb yaj duab tau sawv cev (p's> 0.05). Txhua hom kawm tau tshaj tawm lawv tsis tau pom dua cov yeeb yaj kiab ua ntej kawm.

Imaging analyzes

Tsis muaj ntawm-pab pawg loj-cov hlwb ua kom sib txawv muaj sia nyob tag nrho-lub hlwb kev kho. Qhov sib piv ntawm cov tsis muaj tseeb - cov yeeb yaj kiab zoo siab thoob plaws pawg kawm tau qhia txog kev ua haujlwm ntawm ventral striatum, dACC thiab amygdala ntawm tag nrho-lub hlwb-kho qhov FWE p <0.05 qib (Daim duab 1, Ntxhuav S4 thiab S5 nyob rau hauv Cov ntaub ntawv S1)). Qhov sib piv tseem pom ob tog kev ua haujlwm ntawm lub hypothalamus thiab substantia nigra (tag nrho-lub hlwb-kho FWE p <0.05), thaj tsam cuam tshuam hauv kev sib deev arousal thiab dopaminergic muaj nuj nqi, ntsig txog [13], [22]Cov. Qhov sib txawv ntawm cov qhia tau meej heev - zoo siab thiab erotic - txaus siab ob qho tib si kev ua si hauv ob tog occipito-temporal thaj tsam, parietal thiab qis qis frontal cortices thiab txoj cai caudate (tag nrho-lub hlwb-kho FWE p <0.05) (Cov Lus S4 hauv Cov ntaub ntawv S1). Txawm li ntawd los, qhov sib txawv ntawm erotic - exciting tsis paub ib tug priori hypothesized cheeb tsam. Ib yam li ntawd, cov nyiaj - qhov zoo sib xws tau pom ob sab sib luag ntawm kev sib txig sib luag thiab qis qis ntawm lub hauv ntej (tag nrho-lub hlwb-kho FWE p <0.05) tab sis tsis yog ib tug priori hypothesized regions.

Xais

Daim duab 1. Kev mob txawv.

Lub khob iav thiab cov duab coronal qhia qhov cuam tshuam thoob plaws cov pab pawg ntawm qhov sib txawv hauv qab no: qhia tau meej meej - zoo siab (sab laug, sab saum toj kab), erotic - zoo siab (nruab nrab, nruab nrab kab) thiab nyiaj - zoo siab (sab xis, hauv qab kab). Cov duab no tau qhia tag nrho-lub hlwb FWE-kho qhov P <0.05. Cov axial pom (sab saum toj sab xis) qhia qhov sib piv thoob plaws cov pab pawg ntawm cov qhia tau meej heev - cov yeeb yaj duab zoo siab tsom mus rau qhov muaj zog nigra. Daim duab no tau qhia nrog thaj av ntawm nigra paj ntawm daim npog ntsej muag ntawm ib daim hlau nplaum hloov chaw.

doi: 10.1371 / journal.pone.0102419.g001

Peb tom ntej no tau ntsuam xyuas ntawm cov pab pawg neeg sib txawv ntawm qhov sib txawv - qhov sib txawv ntawm qhov sib txawv uas pom tias muaj kev cuam tshuam zoo nyob rau cov pab pawg hauv peb cov cheeb tsam uas muaj kev vam meej. CSB cov kev ua pom tau hais tias muaj kev ua ntau dua nyob rau hauv txoj cai ventral striatum (lub ncov voxel xyz hauv mm = 18 2-2, Z = 3.47, FWE p = 0.032), DACC (0 8 38, Z = 3.88, FWE p = 0.020) thiab txoj cai amygdala (32-8-12, Z = 3.38, FWE p = 0.018) (Daim duab 2). Muab lub luag hauj lwm rau dopaminergic circuitry hauv cue reactivity, peb kuj tshawb cov kev ua ub no hauv cov nqi ntau heev. CSB cov ntsiab lus muaj kev ua ntau dua nyob rau hauv txoj cai substantia nigra (10-18-10, Z = 3.01, FWE p = 0.045) nyob rau hauv qhov qhia tau meej - exciting zoo ib. Ib qho kev tshawb nrhiav kev tshem tawm uas tsis pub dhau ob yam kev kawm uas nyob rau hauv cov tshuaj tiv thaiv antidepressants tsis hloov cov ntsiab lus tseem ceeb.

Xais

Daim duab 2. Qhia tau meej heev ntawm cov cu exciting.

Lub coronal pom sawv cev rau pab pawg-byvideo-hom kev sib tham ntawm cov ncauj lus nrog kev sib deev tsis sib xws (CSB)> cov neeg ua haujlwm noj qab haus huv (HV) sib txawv qhia tau meej meej> muaj kev paub zoo. Cov duab cov duab tau qhia raws li thaj chaw txaus siab ntawm P <0.005. Lub sijhawm kawm tsom xam cov sawv cev rau% cov cim pauv hloov rau cov yeeb yaj kiab qhia meej (sab saum toj) thiab cov yeeb yaj duab zoo siab (hauv qab) nrog CSB cov ntsiab lus ua haujlwm liab thiab noj qab haus huv cov xim dub. Kev tuav yuam kev sawv cev rau SEM.

doi: 10.1371 / journal.pone.0102419.g002

Txheeb xyuas kev sib raug zoo ntawm kev sib tw ntawm cov lus nug thiab cov kev xav tau thiab kev nyiam, peb ua cov qauv ntsuas cov hlwb lub hlwb rau cov lus qhia meej meej. Hauv ob pawg, qhov kev xav ntawm kev sib deev hauv kev xav tau raug zoo sib xws nrog dACC yam (-4 18 32, Z = 3.51, p = 0.038), tsis muaj qhov sib txawv ntawm pawg (Daim duab 3). Muaj tsis muaj kev sib deev correlations nrog liking subjective.

Xais

Daim duab 3. Kev sib deev muaj siab.

A. Lub siab xav thiab nyiam cov qhab nia tau mus rau hom vis dis aus qhia nrog kev coj tus cwj pwm sib deev (CSB) thiab cov tuaj pab dawb (HV). Muaj pawg tseem ceeb-ntawm-yeeb yaj duab-hom-los-xav / nyiam sib cuam tshuam. Kev tuav yuam kev sawv cev rau SEM. * p <0.05. B. Xav covariate rau cov yeeb yaj duab tsis meej nyob rau hauv ob qho kev qhia CSB thiab HV nrog cov ntsuas ntsuas qhov ntsuas rau qhov ntsuas dorsal cingulate parameter kwv yees (PE) thiab cov qhab nia xav tau. C. Kev ntsuas mob hlwb Psychophysiological nrog kev muaj siab covariate rau qhov sib txawv-zoo siab nrog dorsal cingulate noob. Coronal cov duab thiab cov duab pom qhia CSB cov ncauj lus nrog daim HV tshwj xeeb daim npog thiab cov kev ntsuas coj los ntsuas rau kev ua pa ntawm cov leeg thiab amygdala parameter kwv yees thiab cov qhab nia xav tau. Cov duab cov duab tau qhia raws li thaj chaw txaus siab ntawm P <0.005.

doi: 10.1371 / journal.pone.0102419.g003

Hauv kev tshawb nrhiav, theem kev tshawb nrhiav neural yog tshawb xyuas raws li lub hnub nyoog. Hnub nyoog ntawm tag nrho cov kev kawm tsis zoo nrog kev ua si hauv txoj cai ventral striatum (txoj cai: 8 20-8, Z = 3.13, FWE p = 0.022) thiab dACC (2 20 40, Z = 3.88, FWE p = 0.045). Kev loj dua rau kev ua kom muaj hnub nyoog tau pom hauv pawg CSB li piv rau cov neeg muaj kev noj qab haus huv tuaj pab dawb hauv ob sab ventral striatum (txoj cai: 4 18-2, Z = 3.31, FWE p = 0.013; sab laug-8-18-2, Z = 3.01 , FWE p = 0.034) (Daim duab 4).

Xais

Daim duab 4. Hnub nyoog.

Lub coronal pom pom lub hnub nyoog covariate rau cov yeeb yaj kiab qhia meej rau hauv cov ncauj lus nrog Kev Sib Cais Ua Pleev Ua Tus Cwj Pwm (CSB) nrog kev noj qab haus huv (HV) daim npog tshwj xeeb. Daim duab piav qhia kev sib txheeb regression tsom rau qhov muaj kwv yees ventral striatal parameter kwv yees (PE) thiab hnub nyoog hauv xyoo. Cov duab duab yog qhia raws li thaj av ntawm kev txaus siab ntawm P <0.005.

doi: 10.1371 / journal.pone.0102419.g004

Muab lub koom haum nruab nrab ntawm cov kev xav ntawm cov kev sib deev hauv kev xav hauv kev sib deev dACC, kev tshawb nrhiav psychophysiological uas yog siv lub dACC raws li ib lub noob tau muab piv rau kev qhia tau tseeb - cov cu exciting. Nyob ntawm ob pawg, muaj ntau qhov kev sib txuas ntawm DACC nrog txoj cai ventral striatum (8 20-4, Z = 3.14, FWE p = 0.029) thiab txoj cai amygdala (12 0-18, Z = 3.38, FWE p = 0.009) . Muaj tsis muaj kev sib txawv ntawm cov pab pawg hauv kev sib txuas ntawm kev ua haujlwm. Thaum cov qhab nees ntawm qhov kev xav tau yog qhov kev sib piv, muaj kev sib haum xeeb ntawm cov qhab nia siab siab thiab kev sib txuas ntau dua hauv CSB cov kev sib txuas ntawm DACC thiab txoj cai ventral striatum (12 2-2, Z = 3.51, FWE p = 0.041) thiab txoj cai amygdala (30-2-12, Z = 3.15, FWE p = 0.048) (Daim duab 3) thiab, ntawm qhov kev tshawb nrhiav, tshuav nqi ntau heev nia (-14-20-8, Z = 3.10, FWE p = 0.048) piv rau cov neeg pab dawb. Tsis muaj kev tshawb pom tseem ceeb txog kev nyiam kev ntsuas.

kev sib tham

Hauv kev tshawb nrhiav txog kev sib daj sib deev, kev siv erotic thiab tsis yog kev sib deev, cov neeg uas muaj CSB thiab cov uas tsis pom kev zoo sib thooj thiab sib txawv ntawm cov qauv ntawm kev ua neural responsiveness thiab kev sib raug zoo ntawm cov lus nug kev xav hauv lub cev thiab lub hlwb. Kev xav ntawm kev sib deev los yog xav tau ntawm kev sib deev cues yog txuas rau lub lag luam DACC-ventral striatal-amygdala functional network tawm hauv ob pawg neeg thiab xav kom muaj zog thiab muaj feem xyuam nrog kev plees kev yig hauv pawg CSB. Kev xav ntawm kev sib deev los yog qhov kev ntsuas ntawm kev xav tau tshwm sim los ntawm kev nyiam, los ntawm kev muaj siab-ua siab zoo theories ntawm kev quav tshuaj [12] nyob rau hauv uas muaj qhov teeb meem kom zoo dua tab sis tsis yog ntawm kev ua siab dav. Peb kuj pom muaj lub luag haujlwm rau cov hnub nyoog yau yau, tshwj xeeb tshaj yog nyob rau hauv pab pawg CSB, muaj kev koom tes nrog ntau dua kev ua hauv ventral striatum.

Muab piv rau cov neeg tuaj yeem pab dawb, CSB kawm tau ntau dua qhov kev sib deev uas xav tau lossis xav tau cov lus qhia meej heev thiab muaj cov qhab nia zoo dua rau cov cwj pwm, yog li pom tias kev sib cais ntawm kev xav thiab kev nyiam. CSB cov ntsiab lus tseem muaj qhov tsis zoo ntawm kev sib deev arousal thiab erectile nyuaj nyob rau hauv kev sib raug zoo sib raug zoo tab sis tsis nrog kev sib deev tsi ntsees cov ntaub ntawv tseem ceeb hais tias cov qhab nia siab ntshaw muaj meej rau cov cues qhia tau meej thiab tsis generalized heightened kev sib deev muaj siabCov. Hauv cov ncauj lus CSB piv rau cov neeg tuaj yeem noj qab haus huv, cov qhab nia siab ntawm kev sib deev kom paub meej cov ntsiab lus tau cuam tshuam nrog ntau dua dACC kev ua haujlwm thiab txhim kho kev ua haujlwm sib txuas ntawm dACC, ventral striatum thiab amgydala (raws li tau piav qhia hauv qab no), qhia txog kev sib koom tes ntawm kev koom tes hauv kev ua ntawm kev raug. xav txuam nrog kev sib deev. Kev tshawb nrhiav yav dhau los ntawm kev cuam tshuam hypersexuality ntsig txog dopamine agonists hauv Parkinson tus kab mob, uas tuaj yeem suav nrog kev coj cwj pwm xws li kev siv lub zog ntawm kev sib daj sib deev, qhia tau ntau dua neural kev ua si rau kev sib deev daim duab uas cuam tshuam nrog kev ua kom muaj kev sib deev. [29]. Peb cov kev tshawb pom txog CSB nyob rau hauv cov pejxeem zoo sib xws dovetail nrog incentive motivation theories hais txog aberrant xav los yog motivation ntawm yeeb tshuaj los yog kev sib deev cue, tab sis tsis ntawm 'liking' los yog hedonic tone [12].

Tshuaj-cue-reactivity thiab yees cov kev tshawb fawb ntawm nicotine, yeeb thiab cawv siv tes hauj lwm xws li lub ventral striatum, dACC thiab amygdala [13]. Nyob rau hauv txoj kev tshawb nrhiav tam sim no, cov cheeb tsam no tau qhib lub sijhawm thaum saib kev sib deev tsi ntsees nyob rau hauv cov pawg nrog thiab tsis muaj CSB. Kev soj ntsuam ntawm cov kev tawm tsam ntawm cov cheeb tsam hauv CSB no tiv thaiv cov neeg koom nrog kev noj qab haus huv yog zoo ib yam li kev tshawb nrhiav cov khoom cues ntawm kev quav yeeb quav tshuaj, tawm tswv yim txog kev phiv siab zoo nyob thoob plaws cov kab mob.

Hauv kev tshawb nrhiav tam sim no rau cov lus hais txog kev sib daj sib deev, qhov kev sib deev muaj feem xyuam nrog ntau dua DACC kev ua haujlwm, thiab ntau dua kev ua haujlwm hauv DACC-ventral striatal-amygdala kev ua haujlwm muaj feem xyuam nrog kev xav tau ntau dua hauv CSB cov ntsiab lus tshaj li cov kev pabcuam dawb . Cov ntsiab lus CSB qhia tau hais tias muaj ntau dua kev ua si nrog cov neeg noj qab nyob zoo, yog li tsim nyog tau txuas cov kev tshawb pom rau dopaminergic kev ua ub no. Nyob rau hauv tib neeg thiab cov neeg tsis yog tib neeg, qhov dACC yog lub hom phiaj tseem ceeb ntawm dopaminergic projections los ntawm cov lag luam thiab cov ventral tegmental [47], nrhiav kev ua siab zoo thiab kev twv qhov yuam kev. Lub DACC xa anatomical projections rau ventral thiab dorsomedial striatum, implicated nyob rau hauv cov sawv cev ntawm tus nqi thiab nqi zog cov teeb liab thiab kev txhawb zog thiab muaj kev sib raug zoo sib txuas rau cov hla hov paus ntawm lub amygdala li tau txais cov ntaub ntawv ntawm cov kev tshwm sim hauv kev tshwm sim [48], [49]. Lub cheeb tsam tseem muaj ntau yam kev sib txuas nrog cortical regions nrog rau lub tsev ua ntej, thawj lub cev muaj zog thiab lub tsho cawm siav thiab qhov chaw nyob zoo rau kev xaiv. Lub DACC yog implicated nyob rau hauv kev ua ntawm qhov mob, kev tsis zoo stimuli thiab lub peev xwm tswj [48], nrog cov kev tshawb fawb tsis ntev los no hais txog lub luag haujlwm ntawm lub DACC hauv kev twv ua yuam kev qhia thiab kev muab nqi zog xav [50], [51], tshwj xeeb tshaj yog los coj cov nqi kawm ua nqi zog [52], [53]. Peb cov kev tshawb nrhiav qhov kev cuag tau zoo nrog dovetail nrog lub luag haujlwm rau lub network txuas rau ntawm DACC hauv kev ua haujlwm ntawm kev ntshaw txog kev sib deev thiab hauv kev sib deev-cue-li reactivity thiab nws txoj kev sib raug zoo rau kev xav ua ib lub teeb liab motivational.

Peb cov kev pom zoo qhia DACC cov dej num qhia txog lub luag haujlwm ntawm kev sib deev, uas yuav muaj qhov zoo sib xws rau kev tshawb fawb ntawm P300 hauv CSB cov kev sib raug zoo nrog kev ntshaw [25]. Peb pom qhov sib txawv ntawm pawg CSB thiab cov neeg ua haujlwm pab dawb noj qab haus huv yog qhov kev kawm dhau los no tsis muaj pawg tswj xyuas. Kev sib piv ntawm qhov kev kawm tam sim no nrog cov ntawv luam tawm dhau los hauv CSB tsom ntawm diffusion MRI thiab P300 yog qhov nyuaj muab methodological txawv. Cov kev tshawb fawb ntawm P300, ib qho kev tshwm sim muaj feem xyuam nrog siv los kawm tob txog kev quav tshuaj yeeb dej cawv, qhia tias kev siv tshuaj nicotine [54], cawv [55], thiab opiates [56], nrog kev ntsuas feem ntau sib txheeb nrog kev ntxias indices. Lub P300 tseem raug tshawb fawb nyob rau hauv cov khoom siv tshuaj phem uas yog siv cov kev ua haujlwm oddball uas qhov kev ua kom qis qis tshaj plaws yog sib xyaw nrog cov uas tsis muaj qhov tsis zoo. Ib qho kev ntsuas-tshawb tau pom tias cov khoom siv cov khoom siv tsis zoo thiab lawv cov neeg hauv tsev neeg tsis muaj zog tau poob P300 amplitude piv rau kev noj qab haus huv tuaj pab dawb [57]Cov. Cov kev tshawb pom pom tau hais tias kev siv tshuaj yeeb dej caw tsis zoo tuaj yeem ua rau muaj qhov tsis txaus siab ntawm cov peev txheej uas cuam tshuam rau cov ntaub ntawv ua haujlwm (tsis yog cov hom phiaj siv yeeb tshuaj) nrog kev saib xyuas zoo rau qhov muaj feem cuam tshuam txog cov yeeb tshuaj. Qhov txo qis hauv P300 qhov ntau ntxiv kuj tseem yog qhov ua kom pom cov kabmob endophenotypic rau kev siv cov tshuaj yeeb dej caw. Cov kev tshawb fawb txog cov xwm txheej muaj feem cuam tshuam nrog kev txhawb nqa kev sib raug zoo ntawm cocaine thiab heroin cues ntxiv qhia txog qhov txawv txav ntawm cov khoom ntu dhau los ntawm ERP (> 300 tawm milliseconds; lig zoo muaj peev xwm, LPP) hauv cheeb tsam frontal, uas kuj tseem yuav cuam tshuam txog kev nqhis thiab kev faib tawm. [58]-[60]. Lub LPP ntseeg tau tias yuav tsum tau txais kev cuam tshuam ob qho tib si thaum ntxov (400 rau 1000 msec) thiab tom qab txhawb kev ua haujlwm ntawm kev txhawb zog loj. Cov ntsiab lus nrog kev siv cocaine teebmeem tau nce thaum ntxov LPP ntsuas piv rau cov neeg pab dawb noj qab haus huv uas tau qhia txog lub luag haujlwm rau kev saib xyuas thaum ntxov ntawm kev txhawb siab nrog rau cov lus teb rau cov kev xav hauv lub siab lub ntsws. Txawm li cas los xij, cov kev ntsuas LPP lig tsis txawv ntawm cov neeg ua haujlwm pab dawb [61]. Cov generators ntawm P300 kev tshwm sim muaj feem xyuam rau cov ntsiab lus ntawm qhov kev tawm tswv yim ntseeg tau tias yog parietal cortex thiab cingulate [62]. Yog li, ob qho tib si dACC kev ua hauv txoj kev tshawb CSB tam sim no thiab P300 kev ua haujlwm tau qhia tawm hauv txoj haujlwm CSB yav dhau los yuav muaj kev cuam tshuam zoo sib xws ntawm kev ntes ntaws. Ib yam li ntawd, ob qho kev tshawb fawb pom muaj kev sib raug zoo ntawm cov kev ntsuas nrog kev mob siab. Ntawm no peb xav tias DACC cov kev koom tes muaj kev sib raug zoo nrog kev ntshaw, uas tej zaum yuav muaj kev cuam tshuam ib qho kev ntsuas ntawm kev xav, tab sis tsis cuam tshuam nrog kev nyiam qhia txog kev mob siab ntawm kev quav yeeb quav tshuaj.

Cov kev tshawb nrhiav tam sim no qhia hnub nyoog muaj feem xyuam rau kev ua haujlwm ntawm kev sib deev cues. Maturation ntawm fronto-cortical grey teeb meem muab kev koom tes hauv thawj tswj kev yeem nyob rau hauv kev loj hlob rau hauv nruab nrab-20 s [63]. Txoj kev pheej hmoo uas yuav raug rau cov hluas feem ntau tuaj yeem cuam tshuam txog kev tsim kho kev txhawb zog siab thiab kev txhawb zog siab rau cov neeg muaj feem cuam tshuam txog kev txhim kho ntawm cov kev tswj hwm hauv kev tswj hwm hauv kev koom tes nrog kev saib xyuas lossis kev coj cwj pwm [31], [64], [65]. Piv txwv li, cov tub hluas ntxhais hluas tau pom ntau dua cov kev ua haujlwm ntawm ventral ntau dua qub rau ntawm prefrontal cortical ua si thaum kev tsim nqi rau cov laus [65]. Ntawm no peb pom tau tias cov ntsiab lus nyob rau hauv, cov hnub nyoog hluas yog txuam nrog kev ua haujlwm ntau dua rau kev sib daj sib deev. Cov nyhuv hauv kev ua haujlwm hauv ventral txhoj feem ntau tshwm rau hauv CSB cov ntsiab lus, qhia txog lub luag haujlwm ntawm lub hnub nyoog ntawm cov lus teb rau kev sib deev cues feem ntau thiab hauv CSB tshwj xeeb.

Nyob rau hauv kev khaws ntaub ntawv ntawm lub hlwb kev ua haujlwm rau cov neeg noj qab haus huv tuaj yeem ua kom pom tseeb cov kev sib raug zoo hauv cov cheeb tsam, peb pom ib lub tswv yim zoo xws li lub hnub nyoog ntawm lub cev thiab parietal cortices, insula, cingulate thiab orbitofrontal thiab inferior frontal cortices, pre-central gyrus, caudate, ventral striatum, pallidum, amygdala, muaj zog thiab hypothalamus [13]-[19]. Ntev ntev ntawm kev siv cov ntaub ntawv hauv online ntawm cov txiv neej noj qab haus huv tau pom tias muaj kev cuam tshuam nrog qhov kev txiav txim sab laug ntawm sab laug kom luv luv tseem pom cov duab tseem qhia tau hais tias lub luag hauj lwm [23]. Hauv kev sib piv, qhov kev tshawb xyuas tam sim no tsom rau ib pab pawg nrog cov kab mob CSB uas yog teeb meem nrog kev tswj kev siv cov kev tsis zoo. Tsis tas li, txoj kev tshawb no tam sim no siv cov video clips raws li piv rau cov duab tseem nyuag. Nyob rau hauv kev noj qab haus tuaj pab dawb, saib ntawm erotic tseem dluab piv rau video clips muaj ib tug ntau txwv ua qauv nrog rau hippocampus, amygdala thiab posterior temporal thiab parietal cortices [20] tawm tswv yim txog kev sib txawv ntawm cov duab tseem ceeb thiab cov yeeb yaj duab ntev siv hauv txoj kev kawm tam sim no. Tsis tas li ntawd, kev mob kev nkeeg ntawm kev quav tshuaj yeeb xws li kev siv tshuaj yeeb cocaine kuj tau pom tias muaj kev cuam tshuam nrog kev kho kom zoo dua qub thaum uas cov neeg siv yeeb yaj kiab tsis tau pom tias tau muaj kev kho siab zoo dua [66] stsis muaj kev sib txawv ntawm kev ua si sib txawv ntawm cov neeg siv. Yog li ntawd, qhov sib txawv ntawm cov kev tshawb fawb yuav muaj kev cuam tshuam sib txawv ntawm cov pejxeem lossis haujlwm. Peb txoj kev tshawbfeem qhia tias lub hlwb cov lus teb rau cov ntaub ntawv qhia meej hauv online yuav txawv ntawm cov kev kawm nrog CSB xws li cov neeg noj qab nyob zoo uas yog cov neeg ua haujlwm hnyav hauv cov ntaub ntawv hauv online tiam sis tsis muaj kev tswj lossis koom nrog kev tsis zoo.

Txoj kev tshawb xyuas tam sim no muaj ntau yam kev txwv. Ua ntej, txoj kev tshawb no muab kev koom tes tsuas yog txiv neej poj niam, thiab yav tom ntej cov kev tshawb fawb yuav tsum xyuas cov tib neeg ntawm ntau yam kev sib deev thiab cov pojniam, tshwj xeeb yog cov ntxhais muaj kev txhawj xeeb txog kev mob hlwb muaj peev xwm ua tau siab ntawm cov CSB [67]. Thib ob, txawm hais tias CSB qhov kev tshawb fawb tau ntsib cov txheej txheem kev kuaj pom zoo thiab ua rau muaj kev xiam oob qhab cuam tshuam txog kev sib deev uas siv ntau yam kev ntsuas, tam sim no tsis muaj cov txheej txheem kuaj pom tseeb rau CSB thiab qhov no yog qhov kev txwv rau kev nkag siab cov kev tshawb pom thiab muab tso rau hauv lub loj ntawv nyeem. peb, muab qhov feem ntawm qhov kev tshawb fawb ntawm qhov kev tshawb fawb, cov ntsiab lus hais txog kev tsis tuaj yeem ua tsis tau. Cov kev tshawb fawb yav tom ntej yuav tsum kuaj xyuas seb qhov kev ua si ntawm neural rau kev sib daj sib deev tuaj yeem sawv cev rau cov kev muaj feem cuam tshuam los ntawm kev txhim kho kev puas siab los yog rov qab kis dua, tej zaum cuam tshuam los ntawm cov hnub nyoog yau thiab ntau dua rau kev sib deev tsi ntsees cov khoom, yuav ua rau cov qauv hauv lub CSB pom. Cov kev tshawb fawb ntxiv ntawm ib qho kev txhawj xeeb los yog cov neeg tsom ntsoov rau cov neeg hauv tsev neeg tsis muaj xwm txheej raug lees paub. Cov hnub nyoog txwv ntawm qhov kev tshawb fawb kuj muaj peev xwm txwv cov kev tshawb nrhiav tau. Qeb plaub, peb txoj kev tshawb nrhiav tsom xam feem ntau ntawm kev siv cov ntaub ntawv hauv online nrog kev sib raug zoo thiab tsis siv cybersex lossis siv cov kev pabcuam luv. Raws li cov ntsiab lus no tau txais los ntawm kev tshaj tawm hauv online thiab chaw kho mob, txawm tias lawv muaj cov sawv cev hauv cov chaw kho mob tsis meej dua. Kev tshawb nrhiav 207 nrhiav kev nrhiav CSB cov ntsiab lus siv hauv DSM-5 field trial rau qhov kev kuaj mob ntawm tus kab mob hypersexual zoo tib yam hais txog cov kev coj cwj pwm tsis zoo (Piv txwv) (81.1%), masturbation (78.3%), cybersex (18.1%) thiab pw ua ke nrog cov neeg laus tso cai (44.9%) [33] tawm tswv yim zoo sib xws ntawm peb cov pejxeem thiab qhov no qhia txog cov pejxeem. Txawm li cas los xij, cov kev tshawb fawb tseem ceeb ntawm kev nrhiav kev kho mob pejxeem tuaj yeem xav txog cov kev mob loj dua. Peb siv lub cheeb tsam ntawm kev tshawb xyuas qhov kev xav ntau dua li qhov kev xav mus ntxiv rau lub hlwb. Yog li, tus qauv me me thiab tsis muaj kev sib raug zoo ntawm lub hlwb yog qhov kev txwv. Txawm li cas los, muab peb muaj zog ib tug priori hypotheses raws li cov ntaub ntawv qhia muaj cov ntsiab lus ntawm kev tshawb fawb tau los ntawm kev ntsuam xyuas cue reactivity, peb muaj kev thaj yeeb ntawm tsev neeg qhov kev tshawb fawb soj ntsuam kom paub ntau yam kev sib piv, ib qho kev qhia feem ntau siv hauv kev tshawb pom [68], yog ib txoj kev xav tau.

Cov kev tshawb nrhiav tam sim no thiab kev tshawb nrhiav pom hais tias muaj ntau lub network muaj kev sib deev-cue reactivity thiab tshuaj-cue reactivity nyob rau hauv tej pawg neeg nrog CSB thiab yeeb tshuaj tshuaj. Cov kev soj ntsuam no qhia txog overlaps hauv cov koom txoos lwm qhov kev mob ntawm kev noj tshuaj ntawm kev siv yeeb tshuaj thiab lub ntuj tsim. Txawm hais tias qhov kev tshawb fawb no muaj peev xwm xav tias muaj kev cuam tshuam overlaps nrog kev siv tshuaj yeeb dej caw, ntxiv cov kev tshawb fawb soj ntsuam yuav tsum txiav txim siab seb CSB yuav tsum categorized li impulse-tswj teeb meem, hauv kev ua kom obsessive-compulsive spectrum los yog kev coj cwj pwm. Cov kev tshawb fawb loj ntau qhov chaw epidemiological nrog kev soj ntsuam mus sij hawm ntev yuav tsum tau ntsuam xyuas lub sij hawm ntawm CSB thiab nws qhov kev ua mus sij hawm ntev. Kev tshawb fawb epidemiological ntawm kev sib raug zoo ntawm CSB thiab kev kho mob ntawm impulsivity, compulsivity thiab addictions yuav tsum tau. Zoo sib xws, kev sib piv ntau dua ntawm kev paub txog neurocognitive thiab neurophysiological profiles thoob plaws cov teeb meem yuav pab tau ntxiv hauv kev nkag siab ntawm cov kev ua haujlwm ntawm lub cev thiab neural hauv lub cev cov kev mob. Peb kuj tseem ceeb hais tias cov kev tshawb pom no yog tshwj xeeb tshaj rau cov pab pawg neeg ntawm cov neeg uas muaj teeb meem nrog kev siv compulsive cov ntaub ntawv hauv kev sib deev hauv online thiab tej zaum yuav tsis cuam tshuam rau pej xeem coob uas siv xws li cov ntaub ntawv nyob rau hauv cov kev coj tsis zoo. Cov kev tshawb pom qhia tau hais tias muaj feem xyuam ntawm hnub nyoog txog kev kho kom zoo dua qub ntxiv rau kev sib deev kev ntshaw, tshwj xeeb tshaj yog nyob hauv pawg CSB. Cov tub ntxhais kawm ntawv tau siv ntau yam kev lag luam, nrog rau cov neeg hluas, thiab npaj txhij nkag tau cov ntaub ntawv hauv online, cov kev kawm yav tom ntej tseem ceeb los nrhiav cov teeb meem rau cov tib neeg (tshwj xeeb yog cov tub ntxhais hluas) ntawm kev pheej hmoo hauv kev tsim CSB.

Cov Lus Qhia Txhawb

Cov ntaub ntawv S1.

Txhawb nqa ntaub ntawv.

doi: 10.1371 / journal.pone.0102419.s001

(DOCX)

ACKNOWLEDGMENTS

Peb xav ua tsaug rau txhua tus neeg koom nrog uas tau koom nrog txoj kev tshawb fawb thiab cov neeg ua haujlwm hauv lub Wolfson Brain Imaging Center. Dr. Voon yog ib tug Tswv Cuab Ntsib Zoo Tshaj Plaws. Channel 4 tau koom tes nrog kev pab nrhiav neeg los ntawm kev tso cov ntawv tshaj tawm hauv internet rau txoj kev tshawb fawb.

Sau cov tswv yim

Conceived thiab tsim cov kev sim: VV. Tau ua cov kev sim: VV TBM PB LP SM TRL JK MI. Tshawb fawb cov ntaub ntawv: VV TBM PB LP LC LC LJ YUAV TSHUAJ TIV THAIV JK NAH MNP MI. Sau cov ntawv: VV TBM PB LP LC LY MUS TXOJ HAUJLWM JK NAH MNP MI.

References

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