Ho se sebetse ho etsa qeto ea ho ba le tšusumetso e matla litšoantšong tsa batho ba nang le likokoana-hloko (2013)

PLoS One. 2013 Oct 16; 8 (10): e75914. Doi: 10.1371 / journal.pone.0075914.

Irvine MA, Worbe Y, Bolton S, Harrison NA, Bullmore ET, Voon V.

mohloli o moholo

Lefapha la Psychiatry, Univesithi ea Cambridge, Cambridge, United Kingdom

inahaneloang

Background

Papali ea bolo ea maoto ke bothata bo hlahang le bo sa utloisisoang hantle. Tšusumetso e tloaetse ho sitisoa ke mathata a boitšoaro le bokhoba ba lithethefatsi, ka hona re batlile ho fuputsa ka tatellano mehopolo e fapaneng ea liqeto le sephetho sa makoloi ka har'a sehlopha se hlalosoang hantle sa lipapali tsa lipapali.

mekhoa

Baithuti ba lilemo tse mashome a mahlano a metso e 'meli ba ithutile ka papali ea lipapali le lilemo - lilemo, bong le baithaopi ba phetseng hantle ka IQ. Ba ile ba lekoa ka sepheo sa ho etsa qeto (Tsebo ea Sampling Task tlhahlobo ea ho bonts'a maikutlo le ho lieha ho theola tlhahlobo ea lipotso) , le mosebetsi oa ho araba pele ho nako). Re sebelisitse tlhahlobo ea maemo a thata e bonts'ang ho senyeha hoa ts'ebetso.

Results

Mosebetsing oa Sampling oa Tlhahisoleseling, barupeluoa ba lipapatso tsa methapo ea methapo ba ile ba fana ka bopaki bo fokolang pele ba etsa liqeto mme ba fumana lintlha tse fokolang ha ba bapisoa le baithaopi ba phetseng hantle. Botebo ba papali ea chelete bo ne bo boetse bo hokahana hampe le bopaki bo bokelitsoeng mme bo kopantsoe hantle le phoso ea sampling le lintlha tse fumanoeng. Mosebetsing oa ho fokotsa litheolelo, libapali tsa methapo ea kutlo li ile tsa khetha liqeto tse tlamang, tsa khetha meputso e meholo kapele ho feta meputso e meholo e liehileng. Lipapali tsa boloetse ba methapo li entse likarabo tse potlakileng ho feta tse amanang le tšebeliso ea nicotine ea comorbid. Palo e kholo ea lihora tse bapalitsoeng e boetse e hokahane le Index ea Motivational. Khafetsa maqhubu a lipapali tse bapaloang a ne a amahanngoa le tšitiso ea karabo ea koloi le lipapali tsa leano le nako e potlakileng ea karabelo.

Nahanisisa

Re bonts'a hore lipapatso tsa "pathological" li amahanngoa le ho qhekelloa ha sephetho sa sephetho le litlamorao tse mpe mosebetsing oa mosebetsi. Ho susumetsoa ke qeto ho ka ba sepheo se ka bang teng taolong ea kalafo.

Tlhaloso: Irvine MA, Worbe Y, Bolton S, Harrison NA, Bullmore ET, et al. (2013) Ho Qobella ho Iketsetsa ha Liqeto ho Pathological Videogamers. PloS ONE 8 (10): e75914. Doi: 10.1371 / journal.pone.0075914

mohlophisi: Leonardo Fontenelle, Setsi sa Psychiatry Univesithing ea Federal ea Rio de Janeiro, Brazil

Re amohetse: Kajeno 9, 2013; E amohetse: August 19, 2013; E phatlalalitsoe: October 16, 2013

Copyright: © 2013 Irvine et al. Ena ke sengolo se bulehileng se fihletsoeng tlasa tumellano ea Lichelete ea Tlhahiso ea Creative Commons Attribution, e lumellang tšebeliso e sa thibeloang, phetiso, le tlhahiso hape ka mofuta o mong le o mong, ha feela moqapi oa mantlha le mohloli ba ngoliloe.

Lithuso: Boithuto bona bo tšehelitsoe ke chelete ea bonngoe e tsoang ho Wellcome Trust (WT093705MA; Wellcome.ac.uk). Bafani ba lichelete ba ne ba sena karolo morerong oa ho ithuta, ho bokella data le ho hlahlobisisa, qeto ea ho phatlalatsa, kapa ho hlophisa sengoloa.

Lithahasello tse tsitsitseng: VV ke Motho ea Mahareng ea Wellcome Trust. NAH ke Motho ea Mahareng ea Wellcome Trust. YW e ts'ehetsoa ke Fyssen Foundation. ETB e hiriloe ka nakoana ke Univesithi ea Cambridge mme ka nakoana ke GSK PLC mme ke karolo ea kabelo ea GSK. MI le SB ba tlaleha hore ha ho na likhohlano tsa lithahasello; hona ha ho fetole ho khomarela ha bangoli melaoana eohle ea PLOS ONE mabapi le ho arolelana data le lisebelisoa.

Selelekela

Ho bapala papali ea tlhaho ho bacha le ho batho ba baholo ke bothata bo hlahang lichabeng tse tsoetseng pele ka ho eketseha ka potlako ha tsoelo-pele ea theknoloji. Khafetsa ho tlalehiloe khafetsa pakeng tsa 7.5% ho 11.9% linaheng tse fapaneng (e hlahlobisitsoe ho [1]). Tlhahlobo ea morao-rao ea lipatlisiso tse hatisitsoeng tse shebileng ho latela mokhoa o tsitsitseng oa ts'itiso ea ts'ebetso o tlalehileng sekhahla sa 3.1% [2] ho fana ka maikutlo a hore bothata bo atile. Mofuta oa boitšoaro o bonts'a ho sebetsa hampe mme o amana le khatello ea maikutlo le matšoenyeho, ts'ebetso ea sekolo e futsanehileng le ts'ebelisano e senyehileng ea sechaba. [1], [2]. Tlhatlhobo e nchafalitsoeng ea Buka ea Boholo ba Ts'oaetso ea Bohloko le Tlhahlobo ea Ts'oaetso ea Mahala (DSM), Version 5, e kanna ea kenyelletsa ts'ebeliso ea marang-rang ho Karolo ea Boraro e le boemo bo hlokang lipatlisiso tse ling, tseo papali ea methapo ea methapo ea methapo e leng sehlahisoa sa bona. [3]. Boithuto bo bongata bo sebelisa lisebelisoa tsa ho hlahlobisisa tse fetotsoeng ho tsoa ho li-diagnostic tsa DSM IV-TR ho tsoa linthong tse lemalitsoeng kapa lithahasellong tsa boits'oaro tse kang ho ts'oaroa hoa marang-rang ho hlahloba ho teba ha lipapali [1], [4]-[11].

Ho na le bopaki bo bong ba hore lipapatso tsa pathological li kanna tsa feta ka mekhoa e meng ea boitšoaro le lithethefatsi.

  • Mohlala, ho bapala papali ea video ho baithaopi ba phetseng hantle ho amana le tlhahiso ea dopamine ea dopamine e kholo e fanang ka maikutlo a hore ketso ea papali ea video e ka tlisa menyetla kapa ea susumetsa ka bo eona [12].
  • Bacha ba phetseng hantle ba bapalang lipapali tsa video khafetsa ba ne ba e-na le molumo o moholo oa letsoho le letšo, setereke se neng se na le ts'ebetso e kholo nakong ea ho lahleheloa ke maikutlo mme se amana hantle le nako ea ho nahana ka mosebetsi oa Cambridge Gamble Task. [13].
  • Kamora beke ea 6 e atolositsoeng papaling ho baithaopi ba phetseng hantle, lipapali tsa lipapali tsa lipapali li ile tsa eketseha ka linako tse ling tsa papali ea papali le papali e bonts'ang hore ketso ea papali ea video e ka matlafatsoa mme lits'ebetso tse amanang le tsona li ka ba bathusi ba maemong [14].
  • Ka mokhoa o ts'oanang, lithuto tse nang le papali ea methapo ea methapo ea kutlo li na le leeme le ho feta la ho bonts'a litšoantšo tse amanang le papali tse nang le ts'ebetso e kholo ea moriana pele le kantle ea cingate ea cortex. [11], [15], [16].
  • Lithutong tse nang le papali ea li-pathological, tlhahlobo ea 18FDG PET imaging e bontšitse metabolism e kholo ea tsoekere ho cortex ea orbitofrontal, caudate le insula mme e fokotse metabolism ho sensorimotor le occipital cortices [17].
  • Papali ea mafu e boetse e amahanngoa le ho hloka takatso e matla ho Barratt's Impulsiveness Scale le mamello e kholo ho Wisconsin Card Sorting Test hammoho le molumo o eketsehileng oa thalamus le tlase gyri ea nakoana le ea occipital gyri. [18].
  • Baetsi ba lipapalano ba ile ba boela ba bonts'a tšitiso ea karabo ea koloi e sitisang mosebetsi oa thibelo ea makoloi, mosebetsi oa Go / No Go, hammoho le ho fokotseha ho amanang le phoso. [19].

Phuputso ena e bonts'a mekhoa e ka 'nang ea feta holim'a mekhoa e meng ea boitšoaro le lithethefatsi.

Impulsivity e rarahane, e aroloa ka liqeto le ho ts'oaroa ka makoloi, mme hangata e sitisoa ke lithahasello tsa litheko le boits'oaro. [20], [21]. Ho susumetsoa ke qeto ho kenyelletsa khetho e sa potlakeloang, kapa khetho bakeng sa moputso o monyane kapele ho feta moputso o moholo o liehang, o ka lekoang ho sebelisa mesebetsi e fokotsang ho theola [22], le ho bonts'a maikutlo a ho susumetsa kapa tloaelo ea ho bokella le ho lekola tlhaiso-leseling pele a etsa qeto [23], e ka lekoang ho sebelisoa Sampling Task. Ho ts'oaroa ha koloi ho kenyelletsa thibelo ea karabo ea koloi e ka lekoang ho sebelisoa Stop Signal Task (SST) [24] e lekolang ho hlakoloa ha liketso le mosebetsi oa Go / No Go o lekolang thibelo ea ketso. Ho susumetsoa ke makoloi ho kenyelletsa ho arabela pele ho nako, kapa karabo e lebelletsoeng e ka lekoang ho sebelisa buka ea ho fetolela ho batho [25]. Lithutong tse ngata, ho qhekella ho tsejoang ke ho arabela pele le ho theola nako kapele ke litsoantso tsa endophenotypic tsa nts'etsopele ea mathata a ts'ebeliso ea lithethefatsi. [20], [26], [27].

Mona re fuputse boikarabello ba ho nka qeto le motor re sebelisa mehato e mene ea ho se ts'oenyehe lithutong tse nang le tšebeliso ea lipapali tsa video ea pathological (VG). Re tsepamisitse maikutlo ho fumaneng tlhatlhobo ea VG ho fapana le taba e pharalletseng ea ho lemalla lithethefatsi inthaneteng. Re khothalelitse hore VG e ka amahanngoa le ho susumetsoa ho hoholo ha liqeto, ka bobeli mabapi le theolelo ea ho liehisa le ho bonts'a maikutlo. Leha thuto e fetileng e bontšitse ho senyeha ha thibelo ea karabo ea makoloi le mosebetsi oa Go / No Go o kenyang khetho ea liketso le thibelo ea liketso, re tsepamisitse maikutlo ho SST, e lekang ts'ebetso ea ho hlakola. Ts'ebeliso ea papali ea video e ka ba le litlamorao tse hlakileng ho baithaopi ba phetseng hantle ba nang le litlaleho tsa acuity e kholo ea pono joalo ka ha e bonoa ke kutloisiso e fapaneng [28], e ntlafalitseng maemo a ho feto-fetoha le maemo [29], le linako tse ntlafalitsoeng tsa karabelo [30]. Phuputsong e lemaletseng marang-rang moo 71% e neng e kentse letsoho lipapaling tsa marang-rang, ba nang le ts'ebeliso ea marang-rang ba ne ba ntlafalitse liqeto mabapi le mosebetsi oa ho becha oa Iowa, mme ha ho lits'itiso ho Balloon Analogue Risk Test (BART) ea ho nka kotsi [31]. Leha re boletse esale pele khaello ea ho ho susumetsoa hoa liqeto, ha rea ​​ka ra bolela esale pele ho senyeha hoa mehato ea ho susumetsoa ke makoloi kaha ts'ebetso ea bona e kanna ea fokotsoa ke litlamorao tsa ts'ebeliso ea lipapali tsa video. Ha re ntse re etsa sena, re ile ra hlahloba kamano e lipakeng tsa lintho tse tlase tse fumanehang lipapaling le sephetho sa mosebetsi.

Lisebelisoa le mekhoa

Boitšoaro ba Melao

Boithuto bona bo amohetsoe ke Komiti ea melao ea boitšoaro ea Univesithi ea Cambridge. Lithuto tsohle li fane ka tumello e ngotsoeng e ngotsoeng.

Recruitment

Lithuto li ile tsa hapuoa ka lipapatso tse thehiloeng ho sechaba le tsa univesithi tse tsoang Cambridge. Lihlooho li ne li kenyellelitsoe haeba e ne e le 18 kapa e le moholo. Ho latela lithuto tse ling tse phatlalalitsoeng, VG e fumanoe e ipapisitse le tloaelo ea ntho ea 10 ea mekhoa ea ho becha ea DSM IV [1], [4]-[6], [8], [32]-[37]. Khafetsa e lekanang eo mokhoa ona o nkiloeng ho eona e bontšoa ke litlhahlobo tsa morao-rao tsa lisebelisoa tsa tlhahlobo ea psychometric [38].

Lintho li ile tsa behelloa ka thoko haeba li ne li ka ba le ketsahalo e kholo ea khatello ea maikutlo hona joale kapa nalane ea lefu le tebileng la mafu a kelello (mohlala: bipolar affective disorder kapa schizophrenia) kapa bothata ba tšebeliso ea lithethefatsi hona joale ho kenyelletsa tšebeliso ea kamehla ea cannabis. Lipatlisiso tsohle li ile tsa hlahlojoa ke ngaka ea mafu a kelello. Baithaopi ba phetseng hantle ba ne ba qheleloa ka thoko haeba e le basebelisi ba nikotine ba kamehla. Lintho li ne li sa kengoe kathoko haeba li le tlhahlobo ea tlhahlobo ea moroto oa lithethefatsi (ho kenyeletsa cannabis) kapa tlhahlobo ea phepelo ea joala ka letsatsi la liteko.

Tsamaiso

Kamora ho fana ka tumello e ngotsoeng, lithuto tsohle li ile tsa hlahlojoa moroto ka lithethefatsi le tlhahlobo ea phepelo ea joala ka letsatsi la liteko. Bafetoleli ba phethile Beck Depression Inventory-II [39] ho lekola matšoao a sithabetsang le sekhahla sa UPPS se susumetsang ho hlahloba ho ts'oaroa [40]. Botebo ba VG bo ile ba boela ba hlahlojoa ka mofuta o thehiloeng hantle oa Game Addiction Scale (GAS; 7-elementento) [10]. Mofuta oa Yale-Brown Obsessive Compulsive Scale (YBOCS) [41]) e fetotsoe ka mokhoa o ikhethileng bakeng sa videogaming ho lekola boteng ba VG bo ts'oanang le phetoho ea YBOCS bakeng sa papali ea chelete [42]. Re boetse re hlalositse khafetsa kapa palo ea matsatsi a bapalitsoeng lipapaling tsa ho bapala (lipapali tsa papali tse bapalang tse ngata tsa inthaneteng le lipapali tse bapalang karolo e le 'ngoe), lipapali tsa mofuta oa leano (leano, papali) le lipapaling tsa nako ea karabelo (lipapali, sethunya sa motho oa pele, sethala le lipapali tsa papali) (Scoring: 6 = Hoo e batlang e le letsatsi le leng le le leng; 5 = 3-5 matsatsi / beke; 4 = 1-2 matsatsi / beke; 3 = 2 / 3 matsatsi ka khoeli; 2 = ha ho sa le joalo); . Lipalo li ile tsa lekanyetsoa papali eo e bapalang karolo ea papali, maano-mofuta le lipapali tsa nako ea karabelo. Litaba li ile tsa hlahlojoa bakeng sa mathata a kelello a kelello le "Mini International Neuropsychiatric Inventory" (MINI; [43]). Teko ea Naha ea ho Bala Batho ba baholo (NART; [44]) e sebelisitsoe ho fumana li-indices tsa IQ tsa premorbid. Lintho li ile tsa putsoa ka sekhahla sa £ 7.50 ka hora ho kenyelletsa litšenyehelo tsa maeto, ka tefiso e eketsehileng ea £ 5 mabapi le ts'ebetso ea mosebetsi.

Mosebetsi oa Ho Sampisa Boitsebiso (IST)

IST ke mosebetsi o tsoang ho Cambridge Neuropsychological Test automated Battery (CANTAB) [23]. Bafo ba shebelletse 5 × 5 matrix ea mabokose a moriri o moputsoa ho skripthi sethala se amehang. Ha a qeta ho ama, mabokose a ile a buloa ho hlahisa e 'ngoe ea mebala e' meli. Morero e ne e le ho etsa qeto ea hore na ke mebala efe e 'meli e hlahelletseng ka har'a matrix, ka ho bula mabokose a lekaneng e le hore a tsebe ho etsa qeto. Boemong ba No Cost, lithuto li ka hapa lintlha tsa 100 bakeng sa likhetho tse nepahetseng kapa tsa lahleheloa ke lintlha tsa 100 bakeng sa likhetho tse sa nepahalang ho sa tsotelehe palo ea mabokose a butsoeng. Boemong ba theko, palo ea lintlha e ka bang teng bakeng sa karabo e nepahetseng e qalile ho 250, 'me ea fokotseha ka 10 ha lebokose le leng le le leng le buloa. Kahoo lithuto li ka hapa lintlha tse eketsehileng bakeng sa liqeto tsa pele. Kotlo ea karabo e fosahetseng e ile ea lula e le joalo lintlheng tsa 100. Hang ha lithuto li entse qeto li ile tsa ama karolo e lumellanang ea mmala ka tlasa matrix. Ho ile ha hlaha molaetsa bakeng sa metsotsoana ea 2 - "E nepahetse! U hapile lintlha tsa [x] ”kapa“ E fosahetse! U lahlile lintlha tsa 100 ”. Ho bile le liteko tsa boithati tsa 10 bakeng sa boemo bo bong le bo bong. Nako ea tlhahlobo ea liteko (bonyane 1 ea bobeli) e ile ea fetoloa hore teko e 'ngoe le e' ngoe e nke bonyane metsotsoana ea 30 ho loants'a karabelo ea ho lieha. Tekanyo ea sephetho sa mantlha e ne e le palo e tloaelehileng ea mabokose a butsoeng. Mehato ea bobeli e kenyelletsa lintlha tse felletseng, liphoso tsa sampling (liqeto tse fosahetseng) le ho nepahala ha monyetla (monyetla oa hore taba e nepahetse ka nako ea qeto).

Ho fokotsa Mosebetsi

Ho theola sekhahla ho bolela tšekamelo ea ho fokotsa meputso e liehang 'me e lekantsoe hangata ho sebelisoa pampiri ea lipotso tsa khetho ea chelete [22]. Potso ke potso ea 27-ntho e iketselitsoeng eo barupeluoa ba khethang pakeng tsa moputso o fokolang o potlakileng, le moputso o potlakileng o lebelletsoeng (mohlala. Na u ka rata £ 14 kajeno, kapa £ 25 matsatsing a 19?). Tekanyo ea sephetho sa mantlha e ne e le moepa (k) oa khapo e theotsoeng e baloang ka tsela e latelang: V = A / (1 + kD) moo V e leng boleng ba hona joale ba moputso o liehang ho lieha D. E phahameng boleng ba k, e thellang letsoalo mme ho feta khetho ea theolelo kapa e sa susumetsoang. Boleng ba k likhetho tse nyane, tse mahareng le tse kholo li ile tsa kenyellelitsoe boleng ba k.

Pele mosebetsi oa ho araba

Mosebetsi oa ho araba pele ho nako ke phetolelo ea rialo ea rodent 5-khetho ea serial reaction time [25]. Bafetoleli ba hatelletse le ho boloka sebaka sa sebaka ka monwana oa bona o hlahelletseng ha mabokose a 4 a hlaha skrineng ea sefofane. Mochine oa khatiso oa sebaka o bonts'a nako ea "cue qala". Sepheo sa potoloho e tala se hlahile hanyane (32 ho 64 ms) mme ka tšohanyetso ho e 'ngoe ea mabokose kamora nako e boletsoeng (karohano ea sepheo sa cue-X: 2 ho isa metsotsoana ea 10). Bafetsi ba ile ba lokolla sebaka sa sebaka mme ba ama lebokose le skrineng leo ho lona sepheo se neng se hlahile, mme ba bolelloa hore chelete eo ba e fumaneng e ne e itšetlehile ka hore na ba arabetse kapele hakae. Ho ne ho e-na le lithibelo tsa Motheo oa 2 ntle le karabo ea chelete le li-block tsa 4 tsa liteko ka karabo ea lichelete. Nako ea reaction (RT) ho li-Baseline block e sebelisitsoe e le ho beha karabo ea motho ka mong (liteko tsa 20 ka thipa e ngoe le e ngoe; qalong le kamora Thibelo ea pele ea tlhahlobo) ho khothaletsa ho arabela ka potlako. Libekeng tsa liteko, lithuto li ile tsa hapa chelete e ngata bakeng sa likarabo tse potlakileng 'me tsa lahleheloa ke chelete bakeng sa likarabo tsa morao. Kamora likarabo tse tlang pele ho nako kapa tse sa nepahalang, lithuto li ile tsa ama skrineng ho phethela nyeoe, e ileng ea lateloa ke 'Tsoela Pele'. Li-blocks tsa liteko li fapane nako ea nako ea sepheo, nako ea sepheo sa morero le ho ba teng ha lintho tse ling. Mehato ea sephetho sa mantlha e ne e le ho lokolloa ha sebaka kahara bare pele ho ho qala ha sepheo le Index ea Motivation = (Baseline RT1 - Baseline RT2) / (Baseline RT1 + Baseline RT2). Index ea Motivation e lekantsitse RT ho timela ntle le karabelo e latelang ho ithuta ka sesebelisoa ka karabelo e nang le lintlha tse phahameng ho bontšitsoe tšusumetso e kholo [25].

Mesebetsi ea Signal Signal (SST)

SST le eona ke mosebetsi o tsoang CANTAB [24]. Bafetoleli ba ile ba shebella skrineng sa k'homphieutha 'me ba e araba ka mabokoseng a mabeli a karabo ba sebelisa menoana ka bobeli ea index. Lintho li hatisitse konopo e ka letsohong le letona kapa le letšehali bakeng sa tšusumetso ea "Eya" (motsu o hlahang ka har'a selikalikoe se supang ka letsohong le letšehali kapa ka ho le letona) o lutseng skrineng ho fihlela taba e arajoa. Ho liteko tsa 20%, ba tlameha ho thibela karabelo leha e le efe ha ho utloahala "beep" e utloahala (lets'oao la Stop). Pontšo ea Stop e etsahetse 250 milliseconds kamora pontšo ea Go (Stop Signal Delay, SSD). SSD e fapane ka mokhoa o bohlale oa mohato o itšetlehileng ka karabelo e fetileng, e fokotseha ka li-millisecond tsa 50 bakeng sa ho emisa ka katleho le ho eketseha ka li-millisecond tsa 50 bakeng sa litsi tse sa atleheng. Kahoo, ho emisoa ka katleho ho etsahetse ho hoo e ka bang 50% ea liteko. Mosebetsi o ne o e-na le li-block tsa 5 tsa liteko tsa 80. Tekanyo ea sephetho sa mantlha e ne e le nako ea ho emisa ka lets'oao la ho emisa (SSRT), e neng e baloa ka tsela e latelang: SSRT = Median Go reaction time - SSD [45] moo lintlha tse phahameng li bonts'itseng ho senyeha ho hoholo ka karabo ea thibelo.

Lipalo-palo li

Lintlha li ile tsa hlahlojoa bakeng sa kantle ho naha le ka mokhoa o tloaelehileng oa kabo e lekiloeng ka tlhahlobo ea Shapiro-Wilkes. Litšobotsi tsa sehlooho le mehato ea 4 ea sephetho sa mantlha (mabokose a IST a butsoe, DDT, SSRT, ho arabela pele ho nako) li ile tsa hlahlojoa ho sebelisoa teko e ikemetseng ea t. Bakeng sa IST, litlhahlobo tsa bobeli li ile tsa etsoa ho lekola lintlha kaofela le liphoso le litlamorao tsa litšenyehelo. Mofuta o kopaneng oa ANOVA o sebelisitsoe ho lekanya sephetho sa mantlha sa bopaki ba sampole (mabokose a buletsoe) le Group (VG, baithaopi ba phetseng hantle) joalo ka lintho tse pakeng tsa lithuto le Litšenyehelo (Ha ho litjeo, litjeo) e le lebaka la kahare ho lihlooho. Li-ANOVA tse tsoakaneng tse tšoanang le tsona li sebelisitsoe ho lekola lintlha kaofela le phoso ea mehlala. Bakeng sa ho laola litlamorao tsa ts'ebeliso ea nikotine, litlhahlobo tsohle li ile tsa phetoa ka ts'ebeliso ea nicotine joalo ka covariate. Litlhahlobo tsa Correlational li ile tsa etsoa lipakeng tsa mehato ea matla a VG le sephetho sa ts'ebetso ho sebelisoa peakanyo ea Pearson. Ho feto-fetoha ha linear ho sebelisa mokhoa oa ho ea pele ho lekola mefuta e ikemetseng le taolo bakeng sa papiso e mengata ho sebelisitsoe ho lekola kamano lipakeng tsa mefuta ea lipapali tse bapaloang le sephetho sa mosebetsi. Mefuta-futa ea mabokose a IST a butsoe, DDT, GoRT, SSRT, karabelo ea pele ho nako le Index ea Motivational li kentsoe ka har'a mofuta. P <0.05 e ne e nkuoa e le bohlokoa.

Results

Lithuto tsa VG tse mashome a mabeli a metso e ts'eletseng (banna ba 23, ba bolela lilemo tsa 24.69 (SD 5.90), Verbal IQ 119.80 (SD 4.33) li bapisoa le baithaopi ba phetseng hantle ba lilemo tse mashome a mabeli a metso e ts'eletseng, ba batona ba 23, ba bolelang lilemo tsa 25.61 (SD 5.87) lilemo, Verbal IQ 118.13 (SD 4.58) Ho ne ho se na phapang lipakeng tsa lilemo tse bolelang (df = 50, t = 0.56, p = 0.57) kapa IQ (df = 50, t = 1.35, p = 0.18). Lithuto tse supileng tsa VG e ne e le basebelisi ba nikotine. Botebo ba lipapali tsa pathological bo fanoa ka Lethathamo 1. Ho ne ho se na phapang lipapaling tsa lithuto, UPPS kapa lintlha tsa BDI (Lethathamo 2).

ponahalo e nyane

Tafole 1. Mehato ea ho bapala Videogame.

doi: 10.1371 / journal.pone.0075914.t001

ponahalo e nyane

Tafole 2. Mehato ea phello (data e bolela +/− SD).

doi: 10.1371 / journal.pone.0075914.t002

Bakeng sa tekanyo ea sephetho sa mantlha sa IST, lithuto tsa VG li nkile bopaki bo fokolang (mabokose a buloa) maemong a Ha ho na litšenyehelo ha a bapisoa le baithaopi ba phetseng hantle (p = 0.04; Setšoantšo sa 1). Litlhahlobo tsa bobeli li sebelisitsoe ho lekola litlamorao tsa Litšenyehelo le mehato ea lintlha le liphoso tse felletseng. Ho bile le phello e kholo ea Litsenyehelo ho bopaki bo bontšitsoeng (F (1,50) = 50.47, P <0.0001) empa ha ho na tšusumetso e kholo ea Sehlopha (F (1,50) = 0.70, P = 0.41) Ho ne ho na le Group by Cost interaction (F (1,50) = 8.00, p = 0.007) moo lithuto tsa VG li ileng tsa bula mabokose a fokolang maemong a No Cost ha a bapisoa le HV (mean difference = 3.26 (95% CI = 0.09-6.42) , F (1,50) = 4.27, p = 0.04) ho se na phapang maemong a Litšenyehelo (bolela phapang = -1.28 (95% CI = -3.81-1.25), F (1,50) = 1.03, p = 0.32 ) (Setšoantšo sa 1). Ho sebelisana le Sehlopha ka theko ho lula ho le bohlokoa ho kenyelletsa le tšebeliso ea nicotine e le covariate (F (1,49) = 5.64, p = 0.02).

ponahalo e nyane

Setšoantšo sa 1. Mehato ea sephetho sa tlhahiso ea mohlala.

Mehato e tsoakiloeng ANOVA ea Lits'oants'o tsa Tlhahlobo ea Tlhahisoleseling e le ts'ebetso ea litšenyehelo. Ka ho le letšehali: Mabokose a buloa; Ka ho le letona: Lintlha. Selelekela: HV = baithaopi ba phetseng hantle; VG = libapali tsa methapo; YBOCS-G = Yale-Brown Obsessive Scoreive Score e fumanehang bakeng sa papali.

doi: 10.1371 / journal.pone.0075914.g001

Ho lintlha tsohle tsa IST, ho ne ho boetse ho na le tšusumetso e kholo ea Sehlopha (F (1,50) = 6.98, p = 0.01) moo VG e ileng ea fumana lintlha tse fokolang. Ho ne ho se na phello ea Litšenyehelo (F (1,50) = 0.15, p = 0.70) kapa tšebelisano 'moho (F (1,50) = 0.04, p = 0.84. Phello e ka sehloohong ea Sehlopha e ile ea lula e le bohlokoa ka ts'ebeliso ea nicotine joalo ka covariate (F (1,49) = 4.01, p <0.05) Liphosong tsa mehlala ea IST, ho bile le phello ea Litšenyehelo (F (1,50) = 16.73, p <0.0001) empa ha ho litlamorao tsa Sehlopha (F (1,50 , 0.0001) <0.99, p = 1,50) kapa tšebelisano (F (2.22) = 0.14, p = 1,50) .Ka monyetla o nepahetseng oa IST, ho bile le phello ea Litšenyehelo (F (28.48) = 0.001, leq <1,50) empa ha ho na litlamorao tsa Sehlopha (F (0.46) = 0.50, p = 1,50) kapa tšebelisano 'moho (F (2.40) = 0.13, p = XNUMX).

Bakeng sa DDT, moithaopi a le 1 ea phetseng hantle le lithuto tsa 3 VG ha ba ka ba kenyelletsoa tlhahlobisong e le barekisi (> 3 SD kaholimo e bolelang). Lihlooho tsa VG li entse likhetho tse potlakileng haholo mabapi le HV (Lethathamo 2 'me Setšoantšo sa 2(p = 0.006). Ka ts'ebeliso ea nicotine e kenyellelitsoeng e le covariate, phapang lipakeng tsa lihlopha e ile ea lula e le bohlokoa (F = 3.38, p <0.05).

ponahalo e nyane

Setšoantšo sa 2. Ho theola sekhahla le mosebetsi oa ho etsa sampole.

K-boleng ba mosebetsi oa ho lieha ho theola.

doi: 10.1371 / journal.pone.0075914.g002

Ho ne ho na le mokhoa o lebisang karabelo e kholo ea pele ho nako VG ha e bapisoa le baithaopi ba phetseng hantle (p = 0.09) (Lethathamo 2). Leha ho le joalo, phapang ea sehlopha e ne e se bohlokoa le nikotine joaloka covariate (F (1,49) = 2.10, p = 0.15). Ho ne ho se na liphapang tsa sehlopha ho SSRT (p = 0.60) (Lethathamo 2).

Ho bile le khokahano e mpe lipakeng tsa matla a papali ha a lekantsoe a sebelisa YBOCS-VG le mabokose a butsoeng maemong a No Cost (a tlalehiloeng e le coefficient ea Pearson Coration: r = -0.41, p <0.05) (Setšoantšo sa 3) le ka lintlha tse fumanoeng (r = -0.57, p = 0.004) hammoho le khokahano e ntle le phoso ea sampling (r = 0.58, p = 0.003). Palo ea lihora tse bapaloang ka beke e ne e tsamaellana hantle le Motivational Index (r = 0.40, p <0.05) (Setšoantšo sa 3). Ho ne ho se na likamano le palo ea GAS (p> 0.05).

ponahalo e nyane

Setšoantšo sa 3. Ho hokahanya mehato ea botebo le liphetho tsa mosebetsi.

K. Correlation e sekaseka bosholu ba lipapali tsa video ho latela lintlha tse fetotsoeng tsa Yale Brown Obsessive Compulsive Scale tse hlophisitsoeng bakeng sa papali ea chelete ka mehato ea sephetho sa sephetho sa Information. B. Tlhatlhobo ea kamano mabapi le lihora tsa papali ea video e bapaloang ka beke le Motlatsi oa Index ho tsoa mosebetsing o arotsoeng pele ho nako.

doi: 10.1371 / journal.pone.0075914.g003

U sebelisa tlhahlobo ea mohopolo oa morao-rao, khafetsa lipapaling tsa ho bapala karolo li ne li amahanngoa le thibelo ea karabelo ea koloi e senyehileng (SSRT e phahameng) (R2 = 0.31, p = 0.01) e nang le SSRT e le ntho e ikemetseng e khethollotsoeng mohlaleng (t = −2.85, p = 0.01) (Setšoantšo sa 4). Khafetsa khafetsa ea lipapali tsa maano e ne e amahanngoa le GoRT e potlakileng mosebetsing oa SST mme e fokotse khatello ea maikutlo (mabokose a eketsehileng a buloang ho IST) (R2 = 0.39, p = 0.02) e nang le GoRT e potlakileng (t = 2.58, p = 0.02) mme mabokose a buloa (t = −2.10, p = 0.051) tse thathamisitsoeng e le lintlha tse ikemetseng mohlaleng (Setšoantšo sa 4). Hangata lipapaling tsa nako ea karabelo li ne li sa amanngoe le liphetoho tsa bohlokoa tsa mofuta.

ponahalo e nyane

Setšoantšo sa 4. Boemo ba morao ba mefuta ea lipapali le sephetho sa mosebetsi.

A. Linear tlhahlobo ea boits'oaro ba khafetsa ea lipapali tsa maano tse bapaloang (p = 0.02) e nang le Go Reaction Time (GoRT) e tsoang ho Sign Sign Task le mabokose a butsoeng ho Sampling Task a setseng mohlaleng. B. Tlhatlhobo ea "regression regression" ea khafetsa ea lipapali tse bapaloang (p = 0.01) e nang le Stop Signal Reaction Time (SSRT) e setseng mohlaleng.

doi: 10.1371 / journal.pone.0075914.g004

Lihlopheng ka bobeli le sehlopheng ka seng ka thoko, ho ne ho se na kamano lipakeng tsa liphetho tsa mabokose a IST a butsoeng, SSRT, DDT, kapa karabelo ea pele ho nako (Pearson Coration coefficient r = -0.18-0.29, p <0.05).

Puisano

Re bonts'a hore papali ea pathological e amahanngoa le ho susumetsoa ha liqeto tse ngata, ho nang le bopaki bo fokolang bo khethiloeng pele ho qeto le khetho e potlakileng. Tšusumetso e kholo ea ho nahanisisa (ke hore, sampole bopaki bo fokolang kapa ho bula mabokose a fokolang pele a etsa qeto), ho bile le litlamorao tse mpe ha libapali tsa methapo ea methapo li fumana lintlha tse fokolang haholo, mohlomong li kopantsoe ka keketseho ea lipalo ea liphoso tsa mohlala. Tšusumetso ena e ka tsamaisoa ke lithuto tse nang le botebo bo matla ba lipapali ha lintlha tsa YBOCS-VG li ne li hokahane hantle le bopaki bo fokolang, diphoso tse ngata tsa sampole le lintlha tse fokolang tse fumanoeng.

Re boetse re bonts'a hore ho hlahisoa ha theko kapa kotlo ho palo ea bopaki bo fuperoeng ho amana le ho fokotseha hoa bopaki bo nkiloeng ho libapali tsa methapo ea kutlo. Le ha lihlopha tsena ka bobeli li fokotsa palo ea bopaki bo hlahisitsoeng ka litšenyehelo kamoo ho neng ho lebelletsoe, libapali tsa methapo ea methapo ea methapo ea methapo li theohile haholo. Boemong ba ha ho na litšenyehelo, leano le nepahetseng la ho eketsa lintlha ke ho fana ka mehlala e mengata kamoo ho ka khonehang. Ha ho bapisoa, maemong a theko, keketseho e 'ngoe le e' ngoe ea bopaki bo fanoeng e amana le tahlehelo ea lintlha. Leha ho bile le ntlafatso ea ponahatso ea maemo a theko ea libapali tsa maiketsetso, kaha bopaki bo bongata bo neng bo fanoa bo ne bo amahanngoa le likotlo tse kholo, libapali tsa pathological li sa fumane lintlha tse fokolang ha li bapisoa le baithaopi ba phetseng hantle. Ho ne ho se na phapang ea bohlokoa ea sehlopha kapa tšebelisano liphosong tsa sampling (liqeto tse fosahetseng) kapa monyetla o nepahetseng (monyetla oa hore taba e nepahetse ka nako ea qeto) e fanang ka tlhahiso ea hore tahlehelo ea lintlha ha e ea tsamaisoa ke liphoso empa ke lintlha tse lahlehileng ka lebaka la bopaki bo boholo bo fuperoeng. Ka kakaretso seo re se fumaneng se fana ka maikutlo a hore libapali tsa methapo ea kutlo li ka se amehe haholo ha ho hlahisoa litšenyehelo kapa likotlo kapa ho ka ba le tshusumetso e kholo ho kopaneng ea litšenyehelo tsa liqeto mabapi le sephetho sa ho qetela.

Ho fapana le hoo, palo ea lihora tse bapalitsoeng e ne e tsamaisana hantle le index ea Motivational mosebetsing o neng o etsoa pele ho nako. Tekanyo ena ea tšusumetso e lekola nako ea karabelo kamora ho timela ho latela ts'ebetso ea maemo a ts'ebetso le karabo ea chelete (24) e fanang ka maikutlo a hore khothatso ho libapali tsa methapo e ka susumetsoa ke karabelo ea moputso e sebetsang. Kahoo, lithuto tsa lipapatso tsa pathological li ile tsa arabela ka potlako ho sepheo ha li lekoa ka ho timela ntle le karabo, kamora hore lithuto li ithute hore ho araba sepheo ho ka lebisa karabong ea moputso. Lintlha tsena hammoho le data Sampling Task data li fana ka maikutlo a hore litšenyehelo tse mpe ho likhetho tsa liqeto li kanna tsa se sebetse ho feta karabelo ea moputso ea ho fetola boitšoaro ho libapali tsa methapo.

Ho susumetsa ho hoholo ho bonahala hangata likhatellong tsa tšebeliso ea lithethefatsi le lithahasellong tsa boits'oaro tse kang ho ts'oaroa hoa marang-rang. Ho susumetsoa ke liqeto, joalo ka khetho e sa qobelloang, le ho ts'oaroa ha ponts'o, joalo ka ha ho lekantsoe thutong ena ea hona joale, hangata ho na le mathata a mangata a ts'ebeliso ea lithethefatsi. Lingoliloeng tse pharalletseng li bua ka mokhatlo o lipakeng tsa ho khangoa ho hoholo ke ho nahana ka mokhoa o ikhethileng le khetho e sa qobelloeng le mathata a fapaneng a tšebeliso ea lithethefatsi, ho kenyelletsa le opiates [23], tse khothatsang [46] le joala [47], [48]. Ka mokhoa o ts'oanang, ho becha ha li-pathological ho boetse ho amahanngoa le ho phahama ho hoholo [47]. Phuputsong ena ea hona joale, re kenyelletse lithuto ka tšebeliso ea lithethefatsi tse tšoanang (ho kenyeletsa cannabis) mme e laoloang ts'ebeliso ea nicotine ea comorbid e fanang ka maikutlo a hore sephetho ha se amanang le tšebeliso ea lithethefatsi tsa comorbid.

Hore na litšitiso tsena ke litsobotsi tse rerehelang motho hore a ka li etsa. Re hlokometse karohano lipakeng tsa sephetho sa sehlopha ka methati e tsamaeang le sepheo sa ho tsamaisa liqeto. Ho fapana le liphokotso tsa ho tutueleha hoa koloi ho bonoang khafetsa lits'ebetsong tsa ts'ebeliso ea lithethefatsi maemong a thibelo ea karabelo ha e lekantsoe ho sebelisoa SST [49] le ho arabela pele ho nako [25], ha ho na phapang lipapatsong tsa koloi tse sa boneng lithuto tsa VG. Mehato ena hangata e sitisoa ke mathata a ts'ebeliso ea lithethefatsi joalo ka boemo le tšobotsi. Sena se fapana le tlaleho ea ho senyeha ho hoholo ha thibelo ea makoloi lithutong tsa VG ho sebelisoa mosebetsi oa Go / No Go [19] e lekolang khetho ea ketso le thibelo ea ketso ho e-na le ho hlakoloa ha liketso ho sebelisoa SST. Boitlamo bo boholo ba ho bapala lipapali bo amahanngoa le ho senyeha ho SST ho bontša hore tšitiso ea karabelo ea makoloi e kanna ea sitisoa ho ba tsepamisang maikutlo ho lipapali tsa papali. Ka hona, hore ha rea ​​fumana karohano ea thibelo ho SST ha re bapisoa le ho bona liphokotso mosebetsing oa Go / NoGo li ka bonts'a phapang ea mesebetsi kapa phapang ea palo ea batho ka mefuta ea lipapali tse bapalitsoeng. Lithuto tsa lipapaling tsa thuto ea tlhaho li ne li tloaetse ho arabela pele ho nako, tse neng li hlalosoa ke tšebeliso ea nicotine e tšoanang. Ho haella ha phapang ea sehlopha maikutlong a motor ho ka boela ha fana ka maikutlo a hore papali e feteletseng ha e mpe taolo ea makoloi kapa mohlomong e ntlafatse taolo ea makoloi haeba ho na le tšenyo ea motheo. Ho haella ha phello ho ka boela ha supa phapang e teng lipakeng tsa papali ea methapo ea methapo le mathata a ts'ebeliso ea lithethefatsi.

Re boetse ra etsa lipatlisiso ka tšusumetso ea mofuta oa papali e bapaloang ka ho arola lipapali (lipapali tse potlakileng) Re bonts'itse hore khafetsa lipapaling tsa ho bapala karolo e amanang le ts'ubuhlellano ea koloi e sa sitisoeng le khafetsa khafetsa ea lipapali tsa maano tse sa tsotelleng maikutlo (bopaki bo bongata bo behiloeng ho IST) le GoRT ka potlako ho SST. Ha rea ​​ka ra boloka setsoalle sa bohlokoa le lipapali tsa nako ea karabelo. Tlhahisoleseling ena e hanyetsana le karolo ea papali ea video e fetelletseng ea ho ntlafatsa taolo ea makoloi ho bapalami ba methapo eo ho eona motho a ka lebellang hore lipapali tse shebaneng le nako ea karabelo le taolo ea makoloi le tlase ho leano li ka amahanngoa le nako ea karabelo e potlakileng le thibelo ea karabelo ea makoloi e ntlafalitsoeng.

Ho bile le likhaello tse 'maloa thutong ea hona joale. Palo ea lithuto e kanna ea se kholo ho lekana ho paka liphapang tsa sehlopha. Leha ho le joalo, sena ke bothata ba litabatabelo kapa tse mpe tse fumanoeng. Leha ho se tumellano e sa lumellaneng mabapi le mekhoa ea ho khetholla bakeng sa papali ea methapo, re sebelisitse litekanyetso tse tsitsitseng tse shebileng ho senyeha ha ts'ebetso le litekanyetso tse thehiloeng ho papali ea methapo ea methapo, tšebeliso ea molao e netefalitsoeng eo mekhoa ea eona ea tlhahlobo e kileng ea fetoloa molemong oa sena [9], [10]. Re boetse re laetse ka hloko ts'ebeliso ea litheko tsa comorbid leha likhohlano ka lebaka la ts'ebeliso ea lithethefatsi tsa comorbid le tsona li ka ba molemo haholo. Re ithutile lithuto tseo hajoale li neng li sa batle mofuta oa kalafo tse fanang ka maikutlo a hore mohlomong ke mofuta o bobebe. Leha ho le joalo, re ntse re bonts'a litlolo tse hlakileng. Lithuto tsa nako e tlang li kanna tsa etsa lipatlisiso tsa mefuta ea lipapali tse bapalitsoeng. Sena se ka lumella litlatsetso mabapi le kamano lipakeng tsa ho khanna koloi, linako tsa karabelo le litlamorao tsa ho ikoetlisa.

Re bonts'a hore libapali tsa methapo ea methapo li sitisitse mefuta ea liqeto. Ho fapana le lithuto tsa baithaopi ba phetseng hantle ba nang le lipapali tsa bao e seng tsa methapo e fetisisang, ha rea ​​ka ra bonts'a ntlafatso litekanyetsong tsa kelello kapa tsa makoloi.. Boithuto bona bo boetse bo thusa kutloisisong ea rona ea boits'oaro bona mme bo totobatsa ho senyeha ho hoholo hoa mekhoa ea lipapaling tsa video. Lintlha tsa rona li fana ka maikutlo a hore libapali tsa methapo ea kutlo li ka ba le monyetla oa ho arabela karabong ea moputso oa bohloka le litšenyehelo tse mpe ha ho etsoa liqeto. Lits'enyehelo tsena li kanna tsa bonts'a liphofu tse ka bang teng tsa kalafo bakeng sa taolo ea papali ea methapo.

lumela hore baa fokola

VV ke motho ea sebetsang hantle oa Wellcome Trust. NAH ke setho sa Wellcome Trust Intermediate Fellow. ETB e hiriloe nako le nako ke Univesithi ea Cambridge le nakoana ke GSK PLC.

Menehelo ea Mongoli

Rea tseba le ho hlophisa liteko: VV MAI. O entse liteko: MAI SB. Ho hlahlobisisa data: VV YW MAI SB ETB NAH. Ngola pampiri: MAI VV. Ho hlophisoa: MAI VV SB YW ETB NAH.

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