Cortical thickness abnormalities hauv lig thaum tiav nrog kev ua si hauv online (2013)

Cov lus hais: Cov kev hloov pauv ntawm lub hlwb cortex yog cuam tshuam nrog kev quav. Cov txho tsis tshua muaj teeb meem nyob rau hauv insula thiab orbitofrontal cortex muaj kev sib raug zoo nrog cov neeg quav yeeb tshuaj - thiab qhov no tau pom hauv cov neeg quav hauv Is Taws Nem. Cov kev pauv hloov hlwb no cuam tshuam nrog kev ua tsis tau zoo rau kev ntsuam xyuas ntsuas frontal cortex muaj nuj nqi.

PLoS Ib. 2013; 8 (1): e53055. doi: 10.1371 / journal.pone.0053055. Epub 2013 Jan 9.

Yuan K, Cheng P, Dong T, Bi Y, Xing L, Yu D, Zhao L, Dong M, von Deneen KM, Liu Y, Qin W, Tian J.

Tau qhov twg los

Chaw Tshawb Fawb Txog Lub Neej Kev Tshawb Fawb, Tsev Kawm Ntawv ntawm Kev Tshawb Fawb Kev Kawm thiab Tshuab, Xidian University, Xi'an, Shaanxi, Suav.

Abstract

Kev ua si hauv online yees, raws li feem ntau nrov subtype ntawm Internet yees, tau muaj ntau thiab ntau dua los ntawm tag nrho lub ntiaj teb. Txawm li cas los xij, qhov txawv ntawm cov cortical ntawm lub hlwb ntawm cov hluas uas muaj kev ua si hauv online yees thiab kev tswj kev noj qab nyob zoo tsis paub zoo; tsis yog nws lub koom haum nrog cov tsis paub tswj lub peev xwm. High-daws qhov sib nqus resonance imaging scans los ntawm kev coj tus cwj pwm ua si nrog online gaming yees (n = 18) thiab hnub nyoog-, kev kawm- thiab kev sib luag ntawm poj niam txiv neej (n = 18) tau txais.

Lub cortical thickness ntsuas txoj kev tau ua hauj lwm los tshawb xyuas alterations ntawm cortical tuab nyob rau hauv cov neeg uas muaj online gaming yees.

Txoj hauj lwm xim-lo lus Stroop tau ua hauj lwm los tshawb xyuas cov kev siv kab mob ntawm cov cortical thickness abnormalities.

Kev ntsuam xyuas cov ntaub ntawv qhia hauvtsim cortical thickness nyob rau hauv sab laug precentral cortex, precuneus, nruab nrab frontal cortex, inferior temporal thiab nruab nrab ntu temporal cortices nyob rau hauv lig kev loj hlob nrog online gaming yees; meanwhile, lub cortical thicknesses ntawm sab laug lateral orbitofrontal cortex (OFC), insula, lingual gyrus, txoj cai postcentral gyrus, entorcrinal cortex thiab inferior parietal cortex tau poob.

Correlation tsom tau pom tias lub cortical thicknesses ntawm sab laug precentral cortex, precuneus thiab lingual gyrus correlated nrog cov kev ua si hauv online yees thiab lub cortical thickness ntawm OFC correlated nrog lub impaired hauj lwm kev kawm thaum lub sij hawm xim-lo lus Stroop hauj lwm nyob rau hauv cov hluas uas muaj online gaming yees.

Cov kev tshawb pom nyob rau hauv txoj kev tshawb nrhiav tam sim no pom tias qhov cortical thickness abnormalities ntawm cov cheeb tsam no yuav raug muab siv rau hauv qhov kev siv zis ntawm kev ua si hauv online gaming yees.

Introduction

Raws li lub sijhawm tseem ceeb ntawm cov menyuam yaus thiab cov menyuam yaus, cov hluas feem coob muaj kev hloov nyob rau hauv lub cev, lub hlwb, thiab kev sib raug zoo [1]. Qhov peev xwm ntawm lub peev xwm tswj kav tau ua rau lub sijhawm no muaj kev ywjpheej thiab hloov kho thiab yuav ua rau muaj kev mob ntau dua thiab kev quav yeeb quav tshuaj ntawm cov hluas [2], [3], [4]. Raws li ib qho ntawm cov teeb meem kev puas siab puas ntsws nyob hauv Suav cov hluas, Cov kev tiv thaiv kev tiv thaiv hauv Internet (IAD) tam sim no ua dhau los thiab loj dua [5], [6]. Kev ua si hauv online gaming, raws li qhov tseem ceeb tshaj plaws ntawm IAD, tau muaj ntau thiab ntau dua los ntawm tag nrho lub ntiaj teb thiab tshwj xeeb tshaj yog los ntawm East Asia, xws li Tuam Tshoj thiab Kauslim teb. Cov tub ntxhais hluas uas muaj kev ua si hauv online yog siv ntau lub sij hawm ua si hauv online thiab tsis tuaj yeem tswj lawv cov kev ua si ntau dua li txawm tias muaj kev sib raug zoo hauv kev sib raug zoo thiab kev xav, xws li tsis ua hauj lwm zoo thiab kawm tsis tiav [7], [8], [9], thiab nyob rau hauv ntau zaus, txawm ua txhaum kev ua ub no [10]. Vim tias nws txoj kev loj hlob zuj zus, IAD thiab kev ua si hauv online tau coj los ntawm kev kawm thoob plaws ntiaj teb [5], [6], [7], [8], [9], [11], [12], [13], [14], [15], [16], [17], [18]. Hmoov tsis, muaj tam sim no tsis muaj kev kho mob rau IAD vim tias tsis muaj kev to taub meej ntawm cov mechanisms yaum tus kab mob no [12].

Txhawm rau soj ntsuam cov neural hauv paus ntawm kev ua si hauv online gaming, tawm cov kev tshawb nrhiav txog neuroimaging tau ua thiab tau qhia txog kev ua haujlwm zoo txawv txav rau cov neeg uas muaj kev ua si hauv online gaming [19]. Raws li qhov txawv txav cov metabolism hauv txoj cai orbitofrontal cortex (OFC) thiab lwm thaj chaw [20] thiab qib dopamine D2 tus neeg tau txais kev pabcuam tau muaj nyob rau hauv qhov ntsuas phais [21] nyob rau hauv qhov kev ua si hauv online gaming, cov neeg tshawb xyuas pom tias qhov kev ua si hauv online muaj peev xwm sib koom zoo xws li lub hlwb thiab kev tsis sib thooj hauv lub hlwb nrog kev tiv thaiv kab mob nrog thiab tsis muaj tshuaj. Zoo tib yam li no, Ko et al. nrhiav cov neural substrates ntawm kev xav hauv online gaming los qhia txog kev ua kom muaj ntau lub hauv paus hauv cheeb tsam teb rau cov gaming cues hauv online gaming yees pab pawg, xws li OFC, anterior cingulated cortex (ACC), dorsolateral prefrontal cortex (DLPFC) thiab cov kab lus [22], [23]. Cov kev tshawb fawb txog cov kev ua haujlwm tau pom tias cov kev ua tau zoo ntawm kev ua si hauv online, tab sis, cov teebmeem ntawm kev ua si hauv online gaming ntawm lub cortical thickness lig lig rau lub hlwb tsis paub zoo [5], [24]. Txawm hais tias txoj kev voxel-based morphometry (VBM) tau qhia qhov teeb meem ntawm grey hauv ACC, DLPFC, OFC, lub plhaub thiab lingual lingual gyrus, qhov chaw tsav tsheb ntxiv (SMA) thiab cov paj hlwb nyob hauv online gaming addicted persons [5], [24], qhov txujci no yog tshwj xeeb tshaj rau cov kev sib txawv hauv kev sau npe, kev sib tw ntawm kev sib tsom, thiab xaiv tus normalization template [25], [26]. Ntxiv mus, rau qhov zoo tshaj plaws ntawm peb txoj kev paub, ob peb cov kev tshawb xyuas tau tshawb xyuas, kom deb li deb, cortical thickness abnormalities thiab nws lub koom haum nrog lub peev xwm tswj kev tsis taus nyob rau hauv cov hluas uas muaj kev ua si hauv online.

Vim li no, txoj kev ntsuas cortical ntsuas txoj kev, ib txoj kev tsim nyog dua VBM, ua haujlwm hauv kev tshawb nrhiav tam sim no los soj ntsuam kev ncaj ncees ntawm cytoarchitecture hauv cortex hauv online gaming pab pawg [27], [28]. Yuav kom txhais tau tias qhov tseeb ntawm qhov cortical thickness abnormalities, qhov kev coj cwj pwm ntawm cov kev tshawb pom tau raug soj ntsuam los ntawm kev txheeb ze ntawm qhov cortical thickness thiab cov kev coj cwj pwm. Cov kev tshawb fawb yav dhau los tau qhia txog qhov sib txawv ntawm kev sib txawv ntawm cov yam ntxwv txawv txav thiab lub caij ua si hauv online gaming [5]. Tsis tas li ntawd, cov neeg tshawb xyuas tau pom cov neeg tsis paub lub peev xwm tswj kev muaj peev xwm nyob rau cov tub ntxhais hluas nrog IAD siv cov lus sib txawv xim Stroop [29]. Yog li, kev ntsuam xyuas tus cwj pwm coj hauv qhov kev tshawb fawb tam sim no yog lub sij hawm ntawm kev tiv thaiv kev ua si hauv online thiab cov xim ntawm lo lus Stroop ua hauj lwm. Kev sib txuas ntawm kev tshawb pom neuroimaging rau cov cwj pwm zoo uas tau paub tias muaj kev cuam tshuam rau hauv kev ua si hauv online yog ib qho kev qhia ntxiv txog qhov tseem ceeb ntawm cov kev tshawb nrhiav no.

Cov Kev Siv thiab Cov Khoom

2.1 Ethics Statement

Tag nrho cov kev tshawb fawb tau raug pom zoo los ntawm West China Tsev Kho Mob Subcommittee rau Human Studies thiab tau ua raws li Tshaj Tawm ntawm Helsinki. Txhua tus tuaj koom nrog peb txoj kev tshawb fawb tau muab kev pom zoo tso cai.

2.2 Koom Tes

Raws li hloov daim ntawv Young Diagnostic Questionnaire rau kev tiv thaiv hauv Internet (YDQ) cov qauv ntawm Beard thiab Hma [17], [30], 165 freshman thiab sophomore cov tub ntxhais kawm raug tshuaj ntsuam nyob rau hauv yim lub hlis. Nees nkaum cov tub ntxhais kawm ntawv uas muaj kev tiv thaiv hauv internet tau lim tawm thiab 18 cov hluas uas muaj kev tiv thaiv kev ua si hauv online (12 caug, hnub nyoog pes tsawg=19.4 ± 3.1 xyoo, kev kawm 13.4 ± 2.5 xyoo) koom nrog peb txoj kev tshawb fawb los ntawm kev tshem tawm ob tug neeg sib tw laug. Tsuas yog cov neeg uas tsis muaj qee tus kheej lossis tsev neeg keeb kwm ntawm kev puas siab puas ntsws tuaj koom peb hauv kev kawm ntxiv. Txhawm rau soj ntsuam seb puas muaj cov kev hloov hauv cov qauv hauv lub paj hlwb, qhov ntev ntawm tus kab mob tau raug kwv yees nyob ntawm qhov kev tshawb nrhiav rov qab. Peb tau nug cov ntsiab lus kom rov qab ua lawv lub neej-thaum lawv tau pib ua rau lawv qhov kev ua si hauv online, piv txwv li World of Warcraft (WOW), uas yog kev ua si hauv multiplayer hauv Internet (MMORPG) los ntawm Blizzard Entertainment. Thaum ua si hauv online game, players xav tsim avatars hauv lawv lub ntiaj teb thiab muaj coob tus players sib cuam tshuam nrog ib leeg hauv lub ntiaj teb virtual game. Nrog 9.1 lab cov neeg koom siv (12 lab ntawm lub siab tshaj plaws) raws li lub Yim Hli Ntuj 2012, WOW yog tam sim no lub ntiaj teb feem ntau sau npe MMORPG, thiab tuav cov ntaub ntawv Guinness World rau MMORPG nrov tshaj plaws los ntawm cov neeg ua haujlwm (http://www.ign.com/articles/2012/10/04/mists-of-pandaria-pushes-warcraft-subs-over-10-million). Yuav kom ntseeg tau tias lawv raug kev txom nyem los ntawm kev tiv thaiv hauv Internet, peb rov pom lawv nrog YDQ cov kev hloov los ntawm Beard thiab Hma. Peb kuj paub tseeb tias qhov kev ywj pheej ntawm tus kheej cov lus qhia los ntawm kev ua si hauv online gaming cov neeg los ntawm kev sib tham nrog lawv cov niam txiv hauv xov tooj thiab cov neeg hauv tsev neeg thiab cov neeg hauv chav kawm.

Kaum yim lub hnub nyoog-thiab cov poj niam-txiv neej tau noj qab nyob zoo tswj (12 cov txiv neej, mean age=19.5 ± 2.8 xyoo, kev kawm 13.3 ± 2.0 xyoo) tsis muaj ib tus kheej lossis tsev neeg keeb kwm ntawm kev puas siab puas ntsws kuj tau koom rau hauv peb txoj kev tshawb fawb. Raws li cov kev tshawb fawb dhau los [5], [22], peb tau xaiv cov kev tswj kev noj qab nyob zoo uas siv tsawg dua 2 teev ib hnub hauv Internet. Cov kev tswj kev noj qab haus huv kuj tau sim nrog YDQ cov kev hloov kho tau los ntawm Beard thiab Hma kom lawv tsis txhob raug mob hauv online gaming. Txhua tus neeg tau koom rau kev tshawb nrhiav tau raug suav ua cov lus Askiv tau raug tsiv thiab raug soj ntsuam los ntawm ib qho kev qhia yus tus kheej thiab phau ntawv Askiv Handyness Questionnaire. Cov txheej txheem cais tawm ntawm ob qho tib si yog 1) muaj ib qhov teeb meem txog kev puas hlwb (Neurological Disorder) uas tau soj ntsuam los ntawm Kev Ntsuam Xyuas Kho Mob Ntsuas Kev Ntsuas thiab Kev Ntsuas ntawm Cov Kev Xiam Hlwb, Cov Tsab Vaub (DSM-IV); 2) cawv, nicotine lossis kev quav tshuaj yeeb los ntawm kev kuaj tshuaj ntawm cov tshuaj zis; 3) cev xeeb tub lossis cev ntu thaum poj niam; thiab 4) txhua yam kab mob xws li lub hlwb, mob siab, lossis qaug dab peg raws li kev soj ntsuam kev mob nkeeg thiab ntaub ntawv kho mob. Kev ntsuas ntawm Hamilton ntxhov siab (HAMA) thiab lub Beck Depression Seem-II (BDI) raug siv los ntsuam xyuas lub siab lub xeev ntawm txhua tus neeg tuaj koom lub sijhawm ob lub lis piam dhau los. Muaj ntau cov lus qhia txog pejxeem nyob hauv rooj 1.

rooj 1  

Cov xwm txheej ntawm cov tub ntxhais hluas uas muaj kev tiv thaiv kev ua si hauv online (hnub nyoog: 17-22 xyoo) thiab tswj hwm pawg (hnub nyoog: 17-21 xyoo).

2.3 Cov Cai Txog Kev Cuam Tshuam

Cov lus sib dhos xim-xim Stroop hauj lwm tau tsim los ntawm kev siv E-prime 2.0 software (http://www.pstnet.com/eprime.cfm) raws li kev kawm dhau los [31]. Txoj hauj lwm no ua hauj lwm ua haujlwm tsim nrog peb qho kev mob, piv txwv, sib koom tes, muaj kev sib koom tes thiab so. Peb lo lus, Liab, Xia, thiab Ntsuab tau tshwm sim nyob rau hauv peb cov xim (liab, xiav thiab ntsuab) raws li qhov kev sib koom ua ke thiab tsis sib thooj. Lub sijhawm so, tus ntoo khaub lig tau tshwm sim nyob rau nruab nrab ntawm qhov screen, thiab cov ntsiab lus raug tseev kom kho lawv lub ntsej muag ntawm tus ntoo khaub lig no tsis tas teb. Tag nrho cov xwm txheej tau ua tiav hauv ob qho kev sau nrog cov sib txawv ntawm cov sib koom ua ke thiab cov ntawv tsis sib thooj. Txhua tus neeg tau raug qhia kom teb cov lus tso tawm kom pom sai li sai tau los ntawm nias lub khawm ntawm Lub Xov Tooj Lub Xov Xwm ™ nrog nws sab xis. Cov khawm nyhav los ntawm qhov ntsuas, nruab nrab, thiab ntiv tes sib txuas rau cov xim liab, xiav, thiab ntsuab. Cov neeg tuaj koom tau raug kuaj ib leeg zuj zus nyob rau hauv chav tsev ntsiag to thaum lawv nyob hauv lub siab lub ntsws. Tom qab pib qhov kev coj ua, cov ntaub ntawv coj cwj pwm tau khaws ob lossis peb hnub ua ntej MRI kuaj.

2.4 MRI Cov Ntawv Kawm Tau

Kev sib nqus resonance kev ntsuam xyuas tau ua tiav ntawm 3-T Scanner (Allegra; Siemens Kho Mob) nyob rau ntawm Huaxi MR Research Center, West China Tsev Kho Mob ntawm Sichuan University, Chengdu, Suav. Qhov High-Resolution 3D T1-hnyav dluab tau txais rau cortical thickness ntsuam nrog cov nram qab no tsis: TR=1900 ms; TE=2.26 ms; ntxeev kaum=90 °; hauv dav hlau matrix daws teeb meem=256 256; slices=176; pom kev=256 mm × 256 mm; voxel me me=1 × 1 × 1 mm. Dluab tau soj ntsuam los ntawm ib tug kws kho paj hlwb rau kev tshawb nrhiav pom.

2.5 Kev Xam Pom Cov Data

Ua ntej cov cortical thickness tsom, peb tau pom qhov zoo ntawm cov ntaub ntawv raw rau cov raj dej txuas ntxiv. Cov dluab nrog distortion thiab artifact raug tshem tawm. Qhov zoo, tsis muaj ib qho raug tshem tawm raws li cov txheej xwm. FreeSurfer 5.0 (http://surfer.nmr.mgh.harvard.edu/) tau ua hauj lwm rau xam cov cortical tuab ntawm cov duab magnetic resonance dluab. Lub cev cortical thickness yog ntsuas raws qhov txawv ntawm qhov chaw ntawm qhov sib npaug ntawm cov kab npuas thiab xim dawb-dawb teeb meem. Hauv daim ntawv luv, cerebral dawb teeb meem yog segmented los ntawm T1-hnyav dluab thiab gray-dawb teeb meem interface tau kwv yees. Cov teeb meem saum toj kawg nkaus nyob rau hauv qhov txheeb-grey-dawb kwv tau tsau, uas tau siv ua lub taw tes pib rau qhov deformable nto algorithm tshawb rau pial qhov chaw. Qhov nplaim ntawm qhov gray-dawb teeb meem ciam teb tau pib, thiab qhov sib txawv ntawm cov ntsiab lus hauv qhov tob ntawm lub sam thiaj thiab cov sulci tau hloov. Lub hlwb ntawm txhua lub ntsiab lus yog deformed thiab sau npe rau ib qho nruab nrab kheej kheej. Tau txais cov cim cortical sib txawv maps, cov ntaub ntawv tau sib npaug ntawm cov nplais nrog Gaussian smoothing ntsiav nrog ib puv-dav ib nrab siab tshaj plaws ntawm 10 mm. Vim tias qhov BDI tau qhab nia sib txawv ntawm ob pawg neeg, qhov sib piv ntawm lub regional cortical thickness variations ntawm pawg raug kuaj los ntawm vertex-by-vertex tsom ntawm covariance (ANCOVA) nrog rau BDI ua cov covariate. Yuav kom kho rau ntau cov kev sib piv, p cov ntawv taw qhia tau raug xa tawm los ntawm kev tawm tsam kev pom tseeb (FDR) ntawm 0.05. Pawg ua ke ntawm cov vertexes uas qhia tau txawv ntawm qhov sib txawv ntawm kev sib tw ntawm kev ua si hauv online gaming thiab kev tswj hwm pawg. Qhov nruab nrab thicknesses ntawm pawg tau muab rho tawm thiab siv los xam qhov sib txawv rau qhov qhia tau tias qhov loj ntawm qhov tshwm sim. Txheeb xyuas qhov kev sib raug zoo ntawm cov kev tshawb pom cortical tuab thiab kev ua si hauv online, tag nrho lub hlwb kev sib txheeb ntawm qhov cortical thickness thiab kev ntsuam xyuas tus cwj pwm (ie ntev thiab Stroop hauj lwm qhov teeb meem feem ntau) tau muab tso rau hauv qhov kev kawm tam sim no. Qhov tseem ceeb tshaj ntawm cov pawg ua haujlwm qhia txog kev sib raug zoo nrog cov ntaub ntawv coj cwj pwm (FDR, p<0.05) tau muab rho tawm thiab siv los laij cov correlation coefficients. Nyob rau hauv txoj kev tshawb no tam sim no, peb tsom mus rau cheeb tsam lub hlwb nrog qhov sib txawv sib txawv cortical thicknesses ntawm kev ua si hauv online twv txiaj thiab tswj pab pawg.

tau

Peb cov qhab-nees pom tau tias tus nqi ntawm kev ua si hauv online yog txog 12.1% hauv peb qhov kev tshawb xyuas me me. Raws li lawv tus kheej hais qhia hauv kev siv hauv Internet, kev siv online gaming tiv thaiv cov neeg xNUMX ± 10.2 ib hnub twg thiab 2.6 ± 6.3 hnub ib lub lim tiam hauv online gaming. Cov tub hluas ntxhais hluas uas siv cov khoom siv online gaming siv ntau xuab moos hauv ib hnub thiab ntau hnub hauv ib lub vas nthiv rau hauv Internet tshaj qhov kev tswj (p<0.005) (rooj 1).

3.1 Cov Ntawv Qhia Txog Kev Cuam Tshuam

Ob pawg neeg tau pom ib qho tseem ceeb Stroop effect, qhov twg lub sij hawm ua lub sij hawm ntev dua thaum muaj kev cuam tshuam nrog kev sib koom ua ke (online gaming addiction: 677.26 ± 75.37 vs 581.19 ± 71.59 thiab tswj: 638.32 ± 65.87 vs 548.97 ± 50.59; p<0.005). Pawg sib twv txiaj hauv online tau ua txhaum ntau dua li pab pawg tswj hwm thaum lub sijhawm tsis sib haum (8.56 ± 4.77 vs 4.56 ± 2.93; p<0.05), txawm hais tias cov lus teb ncua sij hawm ntsuas los ntawm cov tshuaj tiv thaiv lub sij hawm (RT) thaum lub sij hawm tsis sib haum xeeb rho tawm qhov mob tsis txawv txav ntawm ob pab pawg no (98.2 ± 40.37 vs 91.92 ± 45.87; p> 0.05).

3.2 Cov Ntawv Qhia Txog Cov Ntawv Tawm

Tom qab tswj kev muaj hnub nyoog, kev kawm, poj niam txiv neej, HAMA thiab BDI cov teebmeem, muaj ntau thaj chaw uas tau txo cov cortical thickness hauv cov hluas uas muaj kev tiv thaiv kev ua si nrog rau kev noj qab haus huv ntawm lwm yam, uas muaj ntawm sab laug tom qab OFC (-9%), insula cortex -10%) thiab lingual gyrus (-10%), nrog rau txoj cai postcentral gyrus (-13%), entorhinal cortex (-13%), thiab inferior parietal cortex (-10%) (Daim duab 1). Ntxiv rau, qhov hnyuv cathical thickness hauv cov laug centrical cortex (+ 14%), precuneus (+ 13%), nruab nrab frontal cortex (+ 10%), thiab inferior temporal (+ 11%) thiab nruab nrab ntawm lub cev ntu (+ 11% tau raug cai nyob rau cov tub ntxhais hluas uas muaj kev tiv thaiv kev ua si hauv online (Daim duab 1).

Daim duab 1  

Cortical thickness sib txawv hauv cov hluas uas muaj kev ua si hauv online sib piv nrog kev noj qab haus huv ntawm lwm yam.

Lub cortical thickness ntawm sab laug precentral cortex (r=0.7902, p=0.0001) thiab precuneus (r=0.7729, p=0.0002) tau zoo heev nrog kev tiv thaiv cov tub ntxhais hluas uas muaj kev tiv thaiv kev ua si hauv online (Daim duab 2). Tsuas yog cov lus lingual gyrus (r=-0.8102, p<0.0001) pom qhov sib cuam tshuam tsis zoo nrog lub sijhawm ntawm kev twv txiaj hauv online (Daim duab 2). Txuas ntxiv, lub cortical thickness ntawm sab laug OFC yog inversely correlated nrog cov xov tooj ntawm cov teeb meem thaum lub sij hawm incongruent tus mob ntawm cov tub ntxhais hluas nrog kev ua si hauv online gaming (r=-0.5580, p=0.0161) (Daim duab 3).

Daim duab 2  

Correlation tsom tau tshwm sim ntawm cortical thickness thiab ntev ntawm kev ua si hauv online gaming nyob rau hauv lig thaum tiav hluas nkauj nrog kev ua si hauv online.
Daim duab 3  

Correlation tsom tau tshwm sim ntawm cortical thickness thiab stroop ua hauj lwm ua yeeb yam hauv cov hluas nrog kev ua si hauv online gaming.

kev sib tham

IAD yog ib qho kev mob tshiab uas tsis paub tswj kev siv hauv Internet siv thiab tau nyiam thoob ntiaj teb [7], [9], [12], [13], [14], [15], [17]. Raws li kev sib tw los ntawm Suav Teb Xov Tooj Hluav Taws Xob Hluav Taws Xob (cov lus tshaj tawm los ntawm Lub Ob Hlis 2, 2010), feem pua ​​ntawm IAD ntawm Suav cov hluas hauv Suav yog li ntawm 14% thiab 24 lab hauv tag nrho (http://edu.qq.com/edunew/diaocha/2009wybg.htm). Tsis tas li ntawd, IAD tau coj mus rau qhov tsis zoo tshwm sim nyob rau hauv lub neej tiag tiag thiab los ua lub hauv paus ntawm kev tub ntxhais hluas ua txhaum cai nyob rau hauv Suav teb [8], [12], [13], [17]. Vim li ntawd, ntau lub xim yuav tsum them rau cov tub ntxhais hluas uas muaj npe nrov tshaj plaws ntawm IAD, ie online gaming addiction. Cov kev tshawb fawb txog kev ua haujlwm ntau heev tau kuaj tau cov kev ua kom muaj kev sib raug zoo ntawm kev ua si hauv online thiab pom tias nws yuav qhia tau zoo xws li lub hlwb thiab kev tsis sib haum xeeb nrog cov kab mob uas muaj kev tiv thaiv nrog thiab tsis muaj yeeb tshuaj [20], [21], [22], [23]. Hmoov tsis, qhov cortical thickness abnormalities nyob rau hauv cov hluas uas muaj kev ua si hauv online gaming thiab kev koom tes ntawm kev paub tswj kev xiam oob qhab thiab cov cortical topography txawv tsis paub zoo. Yog li ntawd, lub hom phiaj ntawm qhov kev tshawb fawb tam sim no yog txhawm rau txhim kho lub cortical thickness abnormalities ntawm lig lig rau kev ua si hauv online gaming. Tsis tas li ntawd, cov lus sib dhos ntawm cov lus sib dhos tau xaiv los ua qhov kev ntsuam xyuas tus cwj pwm los ntsuam xyuas qhov kev cuam tshuam ntawm cov cortical thickness sib txawv. Nws yog vam tias peb cov kev tshawb pom tau siv los tsim cov duab tshiab biomarkers uas yuav txhim kho txoj kev to taub, kev ntsuam xyuas, thiab kev kho cov kev ua si hauv online.

Cov ntaub ntawv qhia tau hais tias kev siv online gaming tiv thaiv cov neeg siv 10.2 ± 2.6 teev ib hnub thiab 6.3 ± 0.5 hnub ib lub lim tiam hauv online gaming, uas yog ntau tshaj qhov qub ntawm kev tswj (rooj 1). Cov kev tshawb fawb yav dhau los tau qhia tias tus neeg tsis paub tswj lub peev xwm ntawm cov hluas thaum muaj kev tiv thaiv kev ua si hauv online [29], [32]. Yuav kom paub tseeb tias qhov tsis muaj peev xwm tswj tau cov tub ntxhais hluas uas muaj kev tiv thaiv kev ua si hauv online, qhov kev ntsuam xyuas Colour-word Stroop tau muab tso rau hauv peb txoj kev tshawb fawb. Zoo ib yam li cov kev tshawb pom yav dhau los [29], qhov kev ua si hauv online gaming cov neeg tau ua txhaum ntau tshaj li cov pab tswj thaum lub sij hawm tsis muaj kev cuam tshuam. Peb cov qhab-nees pom tau hais tias cov hluas uas muaj kev ua si hauv online tau pom tias tsis muaj kev txawj ntse los ntawm qhov kev sib tw ntawm Colour-word Stroop. Cov kev kuaj pom tau pom tau hais tias muaj qee lub hlwb hauv hlwb uas muaj kev tswj hwm kev ua haujlwm pom muaj cortical thickness hauv online gaming yees pab pawg, xws li sab laug ntawm OFC, insula cortex thiab entorcrinal cortex; cov neeg tuaj yeem pom cov cortical thickness ntxiv, xws li sab laug qhov chaw gyrus, precuneus thiab nruab nrab ntawm lub cortex (Daim duab 1). Tsis tas li ntawd, kev sib raug zoo ntawm kev sib piv qhia tias qhov cortical thickness ntawm ob peb lub cheeb tsam tau yoojyim nrog kev tiv thaiv cov tub ntxhais hluas uas muaj kev tiv thaiv kev ua si hauv online (Daim duab 2), uas yog sab laug precentral gyrus, precuneus thiab lingual gyrus. Tsis tas li ntawd, qhov txo cov cortical thickness ntawm sab laug OFC yog correlated nrog lub impaired taub peev xwm ntsuas los ntawm cov xim-lo lus Stroop hauj lwm (Daim duab 3). Cov kev tshawb pom ntawm no tau qhia tias muaj kev txuam nrog kev ua si hauv online gaming ntawm lub cortical thickness ntawm cov hlwb hauv cheeb tsam. Cov kev sib txuas ntawm qhov kev pom ntawm qhov cortical tuab thiab cov kev ntsuam xyuas tus cwj pwm yuav ua kom peb nkag siab txog cov teeb meem ntawm kev ua si hauv online gaming ntawm lub hlwb rau cov tub ntxhais hluas.

Hauv txoj kev tshawb xyuas tam sim no, peb kuaj tau cov kab mob cortical nyob hauv sab laug OFC (Daim duab 1). Daim OFC muaj kev koom tes nrog kev ua haujlwm thiab kev txiav txim siab [33] raws li kev pom zoo los ntawm cov lus xaus los ntawm kev siv tshuaj yaj yeeb quav tshuaj yav dhau los [34]. Cov cheeb tsam no yog ib qho tseem ceeb ntawm cov cuaj hli prefrontal cortex thiab muaj kev sib txuas nrog cov tseem ceeb heev nrog kev kawm thiab nqi zog, xws li basolateral amygdala thiab nucleus accumbens (NAc). Thaum tsim nyog ntawm cov kev sib txuas, daim OFC yog qhov chaw tshwj xeeb los siv cov ntaub ntawv coj los siv rau yav tom ntej thiab siv qhov txiaj ntsim ntawm qhov pom lossis xav kom ua tiav, thiab thaum kawg coj kev txiav txim siab [33]. Cov ntawv pov thawj ntxiv ntawm cov kev tshawb fawb ntawm kev quav yeeb quav tshuaj yeeb dej caw uas muaj cov qauv kev txawv txav hauv daim OFC xaus lus tias cov kev puas tsuaj hauv OFC yog txuam nrog ib qho kev puas hlwb hauv kev tswj hwm thiab txiav txim siab [33]. Yuav ua li cas thiaj li muaj peev xwm ntawm kev txiav txim siab txog kev quav yeeb quav tshuaj, cov tub ntxhais hluas uas muaj kev tiv thaiv kev ua si hauv online kuj muaj kev coj cwj pwm los ntawm kev ua haujlwm hauv kev txiav txim siab, piv txwv li kev coj tus cwj pwm hauv Internet tsis tas li uas lawv paub txog qhov tsis zoo [12], [13], [35]. Ntxiv mus, qhov sib txawv ntawm qhov cortical thickness ntawm OFC thiab kev ua hauj lwm tau zoo thaum lub sij hawm xim lo lus Stroop tau tshawb pom hauv peb txoj kev kawm tam sim no (Daim duab 3). Txoj kev tiv thaiv yav dhau los tau qhia txog lub koom txoos ntawm kev sib zog thiab kev sib to taub cov metabolism hauv daim OFC ntawm cov yeeb yaj kiab [36]. Qhov kev sib raug ntawm lub hlwb-kev coj ua pom tau tias qhov txawv txav ntawm OFC tau txuam nrog kev ua tsis ncaj ncees rau cov tub ntxhais hluas nrog kev ua si hauv online. Peb cov txiaj ntsig tau muab pov thawj ntau rau cov kev hloov hauv cov kev hloov hauv daim OFC rau cov tub ntxhais hluas uas muaj kev tiv thaiv kev ua si hauv online.

Peb kuj pom tias txo qaub tha plab tuab ntawm cov insula hauv cov hluas uas muaj kev tiv thaiv kev ua si hauv online, uas zoo ib yam nrog rau kev tshawb nrhiav qub VBM [24]. Cov insula tau hais tias yog thaj av ua ke ntawm cov kev sib raug zoo ntawm cov kev xav hauv nruab siab thiab kev txiav txim siab [37] thiab txoj kev tsis haum ntawm lub plab yuav ua rau kev txiav txim siab txawv txav [38]. Tsis ntev tas los, cov neeg haus luam yeeb nrog lub hlwb puas tsuaj ntawm tus insula tau pom tias nws yuav cuam tshuam kev haus luam yeeb ntxiv dua li cov neeg haus luam yeeb nrog lub hlwb puas tsuas yog ntawm insula [39]. Cov kev kawm qub tau coj los siv los ntawm kev muaj peev xwm txiav kev haus luam yeeb tam sim ntawd tsis muaj kev cuam tshuam thiab kev pheej hmoo ua pa. Peb cov ntsiab lus pom tau hais tias lub insula yuav yog ib qho tseem ceeb heev neural substrate nyob rau hauv online gaming yees. Txuas ntxiv, thinner cortical tuab ntawm txoj cai inferior parietal lobule, postcentral gyrus thiab entorcrinal cortex kuj tau cai (Daim duab 1). Cov kev tshawb fawb yav dhau los pom tau hais tias qhov inferior parietal lobule yog ib qho tseem ceeb rau kev tswj kev tiv thaiv [40], cue-elicited cocaine yees [41] thiab kev sib tw ua si [22]. Rau lub postcentral gyrus, ib txoj kev tshawb dhau los kuj tau pom lub zog hauv lub regional homogeneity hauv postcentral gyrus hauv subjects nrog IAD [42]. Hauv tib neeg lub hlwb cov ntaub so ntswg, dopamine receptor D4 (DRD4) tau pom nyob rau hauv cov kev cortex [43] thiab DRD4 lub cev muaj zog txawv txaij tuaj txuam nrog kev nrhiav tshiab [44]. Cov tub hluas ntxhais hluas tau pom cov kev coj tshiab thiab kev pheej hmoo siab, uas yuav cuam tshuam nrog kev pib ntawm kev tsim txom rau kev quav tshuaj tiv thaiv mus rau ntau hom tshuaj yeeb [1]. Zoo ib yam li VBM txoj kev kawm dhau los [24], peb kuaj tau txo cov cortical thickness ntawm lub lingual gyrus rau cov hluas thaum muaj kev tiv thaiv kev ua si hauv online. Yav dhau los kev tshawb fawb tshawb fawb kom ua rau lub lingual gyrus thaum lub sij hawm yeeb tshuaj cue txheeb cov ntaub ntawv ua [45], [46]. Peb muab cov pov thawj scientific rau thinner cortical tuab ntawm cov parietal infulate inferior, txoj cai postcentral gyrus thiab cov cortex hauv txoj kev tshawb nrhiav tam sim no (Daim duab 1). Evidently, ntau cov kev siv zog tsim nyog los txheeb xyuas cov kev ncaj ncees ntawm cov cheeb tsam hauv hlwb hauv kev tiv thaiv kev ua si hauv online.

Sib nrauj daim ntawv cov cortical tuab poob, cov cortical thickness ntawm cov laug precuneus yog qhia nyob rau hauv peb txoj kev tshawb nrhiav (Daim duab 1), uas yog txuam nrog visual imagery, nco thiab nco nco [47]. Yav dhau los online gaming yees txoj kev tshawb no tau qhia qhov ua kom muaj lub precuneus rau gaming cue reactivity [23]. Tsis tas li ntawd, qhov ua kom muaj kev sib raug zoo nrog kev ua si, kev xav thiab kev phem ntawm kev ua si hauv online [23]. Lawv pom tias tus precuneus activates los ua cov txheej txheem gaming, integrate retrieved nco thiab pab txhawb cue hawb yees rau online gaming [23]. Tsis tas li ntawd, tau nce cortical thicknesses ntawm inferior temporal cortex thiab nruab nrab frontal cortex tau pom nyob rau hauv txoj kev tshawb kawm tam sim no (Daim duab 1). Qhov tsis zoo ntawm lub cev nqaij tawv [41] thiab hauv nruab nrab frontal cortex [48] tau koom nrog rau hauv kev ntxias tau ntxias los ntawm yeeb tshuaj cues. Yog li, peb pom tias cov cortical thickness ntawm precuneus, lub inferior temporal cortex thiab nruab nrab frontal cortex nyob rau hauv online gaming yees tej zaum yuav txuam lub yees ntawm gaming cue.

Cov kab mob cortical muaj zog ntawm cov centrex precentral thiab lub nruab nrab ntawm lub cev ntu nruab nrab ntawm lub cev nqaij daim tawv kuj tau txheeb xyuas qhov kev tshawb kawm tam sim no (Daim duab 1). Cov kev tshawb fawb yav dhau los tau tsim muaj tias tib neeg lub hlwb muaj rab peev xwm los hloov tau nws tus kheej los kho kom muaj kev hloov hauv cheeb tsam sab nrauv los yog kev ua haujlwm sab hauv [49], [50], [51], [52]. Cov tub ntxhais hluas uas muaj kev ua si hauv online yog siv sijhawm ntau hauv cov kev ua si hauv kev ua si rau xyoo ua cov neeg muaj kev sib tw thiab ua tib zoo rau hauv nas txhaj thiab keyboard ntaus ntawv rau kev sib raug zoo ntawm tus neeg uas ua ntawv nrog thaj chaw ntawm kev ua si ntawm WOW. Muab hais tias lub precentral cortex mas feem ntau koom tes nyob rau hauv kev npaj thiab executing movements [53], [54], [55], [56] thiab cov kev hloov ntawm lub nruab nrab ntawm lub cev ntu temporal cauj vim tau kawm los ntawm kev kawm dhau los ntawm VBM cov kev tshawb fawb [51], [57], peb xav kom cov cortical thickness hloov nyob rau hauv cov cheeb tsam tej zaum yuav txuam tau cov txheej txheem ntawm kev ua si zoo dua kev tawm kev tshaj tawm los ntawm ib tug "rookie" mus rau ib tug "advanced player". Txawm li cas los xij, tus cwj pwm ntawm cov cheeb tsam ntawm cov tub ntxhais hluas uas muaj kev sib tw nrog online gaming yuav tsum tau tshawb xyuas ntxiv hauv cov kev tshawb fawb yav tom ntej los ntawm kev tsim cov qauv tsim ntau dua.

Peb txoj kev tshawb no siv tus qauv ntu ntawm qhov sib luag thiab cov lus nug tshwm sim seb cov kev txawv no yog qhov txiaj ntsim los yog qhov ua ntej ntawm kev ua si hauv online. Txawm hais tias, qhov kev sib raug zoo nrog kev sib tw ntawm kev ua si hauv online gaming yuav pom tau tias qhov cortical thickness hloov ntawm lub cheeb tsam hauv lub cheeb tsam hauv txoj kev tshawb xyuas tam sim no yog cov kev ua ntawm kev ua si hauv online gaming, lo lus nug no tsuas yog teb tau los ntawm kev tshawb nrhiav cov teeb meem ntawm lub cev yas kev hloov uas siv cov longitudinal tsim yav tom ntej. Tsis tas li ntawd, ntau qhov kev ntsuam xyuas xws li nqi zog, kev xav thiab kev nco txog kev ua haujlwm yuav tsum tau los piav qhia cov kev tshawb nrhiav ntawm qhov kev kawm tam sim no.

xaus

Peb cov kev tshwm sim tshwm sim qhia tsis tau cortical tuab ntawm sab laug ntawm OFC, insula cortex, lingual gyrus, txoj cai postcentral gyrus, entorhinal cortex, thiab inferior parietal cortex nyob rau hauv cov hluas nrog kev ua si hauv online gaming; Txawm li cas los xij, lub cortical thicknesses ntawm sab laug precentral cortex, precuneus, nruab nrab frontal cortex, inferior temporal thiab nruab nrab nteg temporal cortices tau nce. Correlation tsom pom tias qhov cortical thicknesses ntawm sab laug precentral cortex, precuneus thiab lingual gyrus correlated nrog cov sij hawm ntawm kev ua si hauv online gaming thiab cortical thickness ntawm OFC correlated nrog cov neeg ua hauj lwm kev ua tau zoo thaum lub sij hawm xim lo lus Stroop hauj lwm rau cov hluas uas muaj kev ua si hauv online gaming . Cov kev tshawb pom nyob rau hauv txoj kev tshawb nrhiav tam sim no pom tias qhov cortical thickness abnormalities ntawm cov cheeb tsam no yuav raug nyob rau hauv qhov kev siv tawm ntawm kev ua si hauv online gaming.

Kev Qhia Nyiaj Txiag

Txoj kev tshawb no tau txais kev txhawb los ntawm Lub Tswv Yim rau Lub Tebchaws Tseem Ceeb Kev Tshawb Fawb thiab Kev Txhim Kho Kev Ua Haujlwm (973) hauv Grant Nos 2011CB707702 thiab 2012CB518501; National Science Science Foundation ntawm Tuam Tshoj nyob hauv Grant Nos 30930112, 30970774, 60901064, 30873462, 81000640, 81000641, 81071217, 81101036, 81101108 thiab 31150110171; cov Nyiaj Tshawb Fawb Txog Kev Kawm Tshaj Lij rau Lub Tsev Kawm Ntawv Nruab Nrab thiab Txoj Kev Txawj Ntse ntawm Suav Academy ntawm Sciences hauv Grant No. KGCX2-YW-129. 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.

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