Litšepe tsa Neural tsa ho kopanela liphate li tsosa banna ba bong bo fapaneng: lipatlisiso tsa fMRI tse amanang le ketsahalo (2016)

J Physiol Anthropol. 2015; 35: 8.

E hatisitsoe Inthaneteng 2016 Mar 8. doi:  10.1186/s40101-016-0089-3

PMCID: PMC4782579

inahaneloang

Background

Boitšoaro ba thobalano ke karolo ea bohlokoa ho pholoheng ha mefuta. Tsoelo-pele ea mekhoa ea ho nahana ka bokong e thusitse kutloisiso ea mochini oa boko o amanang le mohopolo oa thobalano. Lithuto tse fetileng tsa mochine oa boko tse amanang le ho tsosa takatso ea botona le botšehali li entsoe haholo ho design design paradigm.

mekhoa

Leha a hloka hore ho laoloe liteko tse matla, paradigm e amanang le ketsahalo e tsejoa hore e sebetsa hantle ho feta karabong ea maikutlo le kelello. Paradigm e boetse e thusa ho shebella ha likarabo tsa hemodynamic ka nako. Ka hona, thuto ena e sebelisitse fMRI e amanang le ketsahalo ho hlahloba ts'ebetso ea boko libakeng tse fapaneng tse amanang le ho tsosa takatso ea botona kapa ea botšehali le liphetoho tsa likarabo tsa hemodynamic ka nako.

Results

Ts'usumetso e matla e ile ea bonoa libakeng tse fapaneng tse amanang le takatso ea thobalano e nang le lintlha tse fapaneng: (1) libaka tsa ts'ebetso tse amanang le lintlha tsa kelello: the occipital lobe le parietal lobe; (2) libaka tsa ts'ebetso tse amanang le lintlha tsa maikutlo: thalamus le amygdala; (3) libaka tsa ts'ebetso tse amanang le mabaka a susumetsang: the anterior cingrate gyrus, orbitof Pambal cortex, le insula; le (4) libaka tsa ts'ebetso tse amanang le likarolo tsa 'mele: gyrus ea pele, putamen, le globus pallidus. Re boetse re tšoaea ts'ebetso ea "putamen" le globus pallidus tse neng li sa bonoe hantle lithutong tsa moralo oa block. Ka lebaka la karabelo ea hemodynamic, tšebetso ea neural libakeng tseo e bontšitse likarolo tse fokolang tsa karabelo ea hemodynamic e amanang le ts'ebetso ea neural ea libaka tse ling.

Nahanisisa

Liphetho tsena li khothalelitse hore paradigm e amanang le ketsahalo e betere ho bona tšebetso ea methapo ea kutlo, e atisang ho hlaha ka tšohanyetso, empa e nyamela haufinyane.

Keywords: Ho tsosetsana ka thobalano, karabelo ea Hemodynamic, paradigm e amanang le Ketsahalo, Globus pallidus, Putamen

Background

Ho tsosa takatso ea botona kapa ea botšehali ke boiphihlelo bo fapaneng ho kenyeletsa likarolo tsa kelello, maikutlo, 'mele le boitšoaro. Ka mantsoe a mang, ho tsosa takatso ea thobalano ke litšobotsi tsa mmele kapa boits'oaro bo hlahang e le sepheo sa ts'ebelisano le tlholisano lipakeng tsa karabelo tse ntle tsa kelello (mohlala, ho hohela ka thobalano kapa hedonia ka lithatho) le likarabo tse mpe (mohlala, ho tšoenyeha, maikutlo a ho ba molato, lihlong) kamora pono ea ntho e fanoeng [-]. Boithuto ba pejana mabapi le ho tsosa takatso ea botona le botšehali bo shebile haholo karabong ea thobalano, ho kenyelletsa mekhoa ea methapo ea methapo ea methapo ea kutlo, tsamaiso ea methapo ea kutlo le tsamaiso ea lihormone [-]. Ka nts'etsopele ea morao-rao ea mahlale a ts'ebetso ea ho nahana ka bokong e etsang hore tlhahlobo ea ts'ebetso ea boko e sebetse, ho kenyelletsa tšebetso ea kelello le ea maikutlo ka tsela e sa hlaseleng letho, sena se re thusitse ho utloisisa mekhoa ea kutloisiso le maikutlo mabapi le mohopolo oa ho hlasimoloha ka thobalano.

Haufinyane tjena, ho entsoe lipatlisiso tse ngata holima mohopolo oa ts'usumetso ea thobalano e hlahisitsoeng ka ho sebelisa fMRI. Boithuto bo fetileng bo bonts'itse hore bohloeki bo tsosang takatso ea thobalano bo hokahane le marang-rang a fapaneng a tlhaho a kang parietal lobe, temporo-occipital lobe, frontbe lobe, cerebellum, insula, anterior cingulate gyrus, amygdala, le striatum e amanang le maikutlo, kelello likarolo [-]. Le ha ho le joalo, joalo ka ha ho boletsoe kaholimo, lithuto tse ngata tsa pele mohlaleng oa boko bakeng sa ho tsosa takatso ea botona le botšehali li amohetse sebopeho sa block. Patlisiso e thehiloeng ho moralo o amanang le ketsahalo e entsoe hanyane.

Moralo oa boloko o sebelisoa ho khetholla libaka tsa boko tse amanang le tšusumetso e itseng. Moralo oa block o hlahisa boemo ba liteko le maemo a motheo ka nako ea metsotsoana e mengata. Ka ho hlahisa boemo ba liteko (mohlala, boemo ba mosebetsi) le boemo ba motheo ka tsela e 'ngoe hape hape khafetsa, ho lokela ho bona sebaka sa boko se loketseng boemo ba mosebetsi. Sebaka se amehang sa kelello se ka fumanoa ka ho lekanya lipontšo tsa "oxygen oxygen-wate" (BOLD) tse eketsang ha boemo ba pherekano bo hlahisoa empa bo nyamela ha boemo ba motheo bo bontšoa. Moralo oa li-block o tsejoa o le betere ho fumana libaka tsa boko tse amanang le tšusumetso e itseng ha li bapisoa le moralo o amanang le ketsahalo [, ]. Ho bonolo hape ho rala paradigm ea tlhahiso ea khothalletso le ho bapisa phapang lipakeng tsa tšusumetso e 'ngoe le e' ngoe ha sebopeho sa block se sebelisoa. Ho feta moo, litsebi tsa maiketsetso kapa lerata li ka felisoa habonolo ka tlhaiso ea pono ea tlhaiso-leseling ea nako [, ]. Leha ho le joalo, moralo oa li-block o na le lintlha tse fokolang. Mohlala, kaha ts'usumetso ea maemo a ts'oanang e hlahisoa metsotsoana e mengata, bothata ba ho lula malapeng bo ka hlaha. Hape, ha nako ea ho bonts'a ts'usumetso e ntse e le telele, lipontšo tsa BOLD lia fokotseha [].

Moralo o amanang le ketsahalo bakeng sa fMRI o nts'etsopele ho ipapisitsoe le boithuto bo amanang le ketsahalo, e leng likarabo tsa ts'ebetso tsa ts'ebetso tse etsahalang nakong ea liketsahalo (ke hore, liteko tse hlahisitsoeng kapa tsa boitšoaro) []. Ha moralo o amanang le ketsahalo o sebelisoa ho liteko, ho hlokahala moralo o rarahaneng le ho sekaseka []. Mohlala, palo ea liteko e lokela ho nkuoa ho lekana le matla a bonyane ba lets'oao le ho soasoa ka mokhoa o ikhethileng oa liteko le hona ho lokela ho sebelisoa ho netefatsa hore matšoao a ts'ebetso ha a a feta. Tlhahisoleseling ena e boetse e lokela ho bonts'oa ho tlhahlobo, e hlokang ts'ebetso e rarahaneng haholoanyane []. Moralo o amanang le ketsahalo ke ntšetso-pele ea haufinyane ha e bapisoa le moralo oa block. Ka mokhoa ona, lets'oa la BOLD le tsamaeang le ketsahalo e 'ngoe le e' ngoe, ke ho re, tlhahiso ea khothalletso, e ka bonoa ka ho hokahanya le ho hlakola lintlha tsa ho nahana tse fumanoeng pele le ka mor'a nako ea tlhahiso ea tlhahiso-leseling ka nako ea nako. Mokhoa ona o na le monyetla oa ho khona ho bona phetoho ea nakoana ho karabelo ea hemodynamic ho fapana le mokhoa oa moralo. Lilemong tsa morao tjena, matla a ho lemoha a eketseha ka moralo o amanang le ketsahalo joalo ka ha moralo oa thibela o etsa ka nts'etsopele ea mekhoa ea ho nahana ka sephetho se phahameng (ke hore, tekanyetso e phahameng ea lerata (SNR); lithuto tse sebelisang mekhoa e amanang le liketsahalo tse amanang le liketsahalo li ntse li eketseha []. E hloka taolo e matla ea teko ea nako ea tlhahiso ea tšusumetso, nako ea maqhubu a nako, le taelo ea tlhahiso. Hape, kaha tlhahisoleseling ena e tlameha ho bonts'oa tlhahlobisong, tlhahlobo e rarahaneng e hlokahala ka mokhoa oo []. Ha tlhahiso ea tšusumetso e hlophisoa ka tsela e hlophisehileng ka moralo o amanang le ketsahalo, likhohlano tse bakoang ke ho tsebahala ha taelo ea tšusumetso li ka fokotsoa. Ka moralo o amanang le ketsahalo, ho ba teng ha mohopolo o sa lebelloang ho ke ke ha boleloa esale pele mme bolelele ba tlhahiso ea tšusumetso le bona bo khuts'oane ho feta ho moralo oa bolokoe []. Ka hona, karabelo ea nakoana ea boko joalo ka ts'ebetso ea maikutlo le ea 'mele e ka lekanngoa hamolemo moahong o amanang le ketsahalo ha o bapisoa le moralo oa block []. Ho entsoe lithuto tse 'maloa tse sebelisang moralo ona o amanang le ketsahalo ea ho tsosa takatso ea thobalano., ]. Leha ho le joalo, lithuto tsena li fuputse phetoho ea nakoana ea matšoao a boko a amanang le ho tsosa takatso ea botona kapa ea botšehali ka ho lekanya likarolo tse se nang karolo feela eseng kelello e felletseng kapa tlhahlobo ea kelello eohle ntle le ho sheba karabelo ea hemodynamic. Ka hona, thuto ke ho hlahloba likarolo tsa boko le karabelo ea hemodynamic e amanang le ho tsosa takatso ea botona kapa ea botšehali ka ho sebelisa fMRI e amanang le ketsahalo. Re bile le maikutlo a hore thuto e khona ho bona ts'ebetso libakeng tsa boko tse neng li sa bonoe hantle ka lebaka la ts'ebetso e potlakileng ea ts'usumetso le bolulo lithutong tsa pejana ho sebelisa lipatlisiso tse amanang le fMRI tse amanang le ketsahalo ea thobalano. Ntle le moo, ho lebelletsoe ho hlokomela karabelo ea hemodynamic libakeng ka ho eketsa nako ea ISI.

mekhoa

Lihlooho

Ka kakaretso, banna ba baholo ba 17 ba lilemo tse tsoang 22 ho isa 29 ba nkile karolo tekong. Barupeluoa kaofela ba ne ba tloaetse ho etsa thobalano, batho ba bong bo fapaneng ka letsoho le letona. Bao ba khopamisitsoeng ka thobalano kapa ba phephetsoeng ba ile ba qheleloa ka thoko. Barupeluoa ba lumetse ho nka karolo tekong ea boithuto bona kamora ho tsebisoa ka litaba tsa teko.

Tsamaiso le paradigm ea liteko

Sehlopha sa baithuti ba phepo e ntle ba 130 ba ile ba kenya letsoho tlhahlobong ea pele ho khethoa maikutlo a thobalano bakeng sa thuto ea fMRI. Lifoto tsa 237 ka kakaretso li khethiloe ho International Affective Picture System (IAPS) [] le lipatlisiso tsa inthanete 'me tsa hlahisoa ho bankakarolo. Litšoantšo tse tsoang lipatlisisong tsa inthanete li ne li na le linepe tsa litšoantšo tsa bootsoa le basali ba hlobotseng. Re kopile barupeluoa ho araba potso "Na u bile le maikutlo a ho tsosoa ke thobalano?" ka ho khetha "e" kapa "che" nthong ka 'ngoe. Joale ba ile ba kopuoa ho lekanya matla a ho tsosa takatso ea thobalano ka sekala sa likoto tse hlano ho tloha ho 1 (e nyane haholo) ho isa ho 5 (e matla haholo). Matla a ne a hlalosoa e le liperesente tsa bankakarolo ba ileng ba ba le takatso ea ho kopanela liphate molemong oa tšusumetso e 'ngoe le e' ngoe, mme katleho e ile ea hlalosoa e le matla a ho tsosa takatso ea thobalano eo morupeluoa a bileng le eona molemong oa tšusumetso ka 'ngoe. Ka lebaka la tlhahlobo ea pele ho nako, linepe tsa 20 (6 litšoantšo tsa IAPS le 14 ho tsoa lipatlisisong tsa inthanete) li ile tsa khethoa e le tšusumetso ea thobalano e neng e na le 80% kapa bophahamo bo phahameng le lintlha tsa 4 kapa katleho e phahameng. Ho ile ha khethoa likhothaletso tse mashome a mabeli tsa thobalano. Ntle le moo, linepe tse 20 tse sa kang tsa tsosa takatso efe kapa efe ea thobalano li ile tsa khethoa e le tšusumetso ea bong bo fapaneng. Ts'oaetso ea bong bo fapaneng e bonts'itse litšoantšo tse ts'oanang ka tlhaho le litšoantšo tse tsosang maikutlo tsa papali ea metsi, ho keteka tlholo e hapileng le ho sesa. Litšusumetso tse khethiloeng ho IAPS le lipatlisisong tsa inthanete li ne li tsamaellana le litšusumetso tsa thobalano bakeng sa boemo ba bona ba monate. Ho bolela monate le ho tsosa takatso ea thobalano e ne e le 5.23 (ho kheloha ho tloaelehileng (SD) = 0.36) le 5.17 (SD = 0.31), ka ho latellana. Litšusumetso tse mashome a mabeli tsa bong bo fapaneng li tsamaellana le litšusumetso tsa thobalano bakeng sa boemo ba bona ba monate (M = 5.10, SD = 0.31) le arousal 4.96 (SD = 0.38) li khethiloe. Mefuta e mengata ea monate le ho tsosoa pakeng tsa litakatso tsa thobalano le ba bong bo fapaneng li ne li sa fapana haholo (t = -1.18, p > 0.05; t = -1.99, p > 0.05).

Ka paradigm ea liteko ea fMRI, ho fanoe ka taelo e khuts'oane ka teko bakeng sa 6 s qalong, e lateloa ke tlhahiso ea ts'usumetso ea thobalano kapa ts'usumetso ea bong bo fapaneng, e khethiloeng ka tatellano, bakeng sa 5 s ka ngoe. Nako ka 'ngoe ea li-inter-stimulus e hlahisitsoe bakeng sa 7-13 s (karolelano ea 10 s) ho bona karabelo ea hemodynamic. Nako eohle ea liteko e ne e le 8 min le 48 s. Ho thibela tahlehelo ea khatello ea maikutlo ka lebaka la nako e telele lipakeng tsa linehelano tse khothatsang, barupeluoa ba ile ba botsoa ho tobetsa konopo ea karabo neng kapa neng ha skrine e tala e ne e bontšoa nakong ea karolelano (skrine e tala e ne e bontšoa ka linako tse ling tsa 12) Kamora ho phethela teko ea fMRI, barupeluoa ba ile ba koptjoa ho araba lipotso tse tharo tse latelang tekong ea kelello. Pele, ba ile ba botsoa ho araba "e" kapa "che" mabapi le hore na ba ikutloa ba tsosoa takatso ea thobalano ka ts'usumetso e ngoe le e ngoe. Taba ea bobeli, ba ne ba kopuoa ho lekanyetsa hore na tsoso ea thobalano e matla hakae sekaleng sa Likert ho tloha 1 (e nyane haholo) ho isa 5 (e matla haholo). Barupeluoa ka nako eo ba ile ba kopuoa ho tlaleha maikutlo a mang ao ba a boneng ntle le ho tsosoa ha thobalano nakong ea ha ba pepesetsoa ts'usumetso e ngoe le e ngoe.

Fumana thepa

A 3.0T Philips MR Scanner e sebelisitsoe ho fumana litšoantšo, 'me ho sebelisitsoe mokhoa o le mong oa EPI fMRI oa scan ho fumana litšoantšo tsa BOLD. Ka kakaretso, li-slide tse 35 li ile tsa bokelloa ka tatellano ho sebelisoa setšoantšo sa TR = 2000, TE = 28 ms, botenya ba sethala sa 5 mm ntle le lekhalo, 64 × 64 matrix, FOV 24 × 24 cm, flip angle = 80 °, le qeto ea sefofane ea 3.75 mm. Bakeng sa setšoantšo sa anatomical sa T1 e boima, ho ile ha sebelisoa tatellano ea FLASH.

Lipatlisiso tsa sethathamo

Bakeng sa tlhahlobo ea tlhaiso-leseling ea kelello, marikhoe a mabeli a marang-rang t Teko e entsoe ka SPSS 22 ho bapisa khafetsa (ke ho re, nomoro e ileng ea tsosa takatso ea thobalano litšoantšong tsa 20 maemong ohle; e emeloe joalo ka liperesente) le matla a ho tsosa takatso ea thobalano ho motho e mong le e mong. boemo) pakeng tsa maemo a thobalano le ho se nke lehlakore. Lintlha tsa fMRI li ile tsa hlahlojoa ho sebelisoa 'mapa oa Statistical Parametric, mofuta 8 (SPM 8, Lefapha la Wellcome la Imaging Neuroscience, London, UK). Boemong ba pelepelo, phapang ea nako lipakeng tsa litšoantšo tse hlahisitsoeng nakong ea ho nkuoa hoa litšoantšo tsa fMRI e ile ea lokisoa. Hape, ho tlosa sesosa se bakoang ke motsamao nakong ea teko, ho sisinyeha ha lihlooho tsa barupeluoa ho ile ha fetoloa ka ho ngolisa 'mele oa 3-D o thata le 6 degrees of uhuru (x, y, z, moqolo, sekontiri se metsi, le ho tsokotsa). Eaba ho ngolisoa hoa mantlha le maemo a sebaka sa morupeluoa e mong le e mong ho etsoa. Bakeng sa ho fetola litšoantšo tsa fMRI tsa motho e mong le e mong ea kenang sekolo ho Montreal Neurological Institute (MNI) system ea sets'oants'o, setšoantšo se tloaelehileng sa litšoantšo tsa morupeluoa tsa fMRI se ne se ts'oana le setšoantšo sa anatomiki sa motho eo ea kenang sekolo bakeng sa ngoliso ea bona ea mantlha. Setšoantšo se hlophisitsoeng se hlophisitsoeng se ne se tsamaellana le sistimi ea khokahanyo ea MNI. Ho sebelisa paramethara e tloaelehileng e hlahisitsoeng ts'ebetsong, setšoantšo sa fMRI se ne se ts'oana le sistimi ea khokahanyo ea MNI. Qetellong, ho nolofatsa ha data ho ile ha etsoa ho sebelisoa kernel ea Gaussian, e leng 8 mm ka bophara bo felletseng ka halofo e phahameng. Ts'ebetso e ts'oanang e ile ea etsoa bakeng sa morupeluoa ka mong.

Kamora ho tsebisa pele likarolo tsa boko tse hlahisitsoeng ke ho tsosa takatso ea thobalano, ho ile ha hlahisoa sebopeho se nang le maemo a mabeli (ke hore, tšusumetso ea thobalano le boemo ba morao). Bakeng sa ho fokotsa lintho tsa khale tsa khale le lerata, liphapang tse fapaneng tsa taolo li ile tsa eketsoa nakong ea ho etsoa ha matrix. Haholo-holo, tokiso ea liphetoho lipontšo ka lebaka la ho sisinyeha ha hlooho, ke hore, tekanyo ea phetolelo le ho potoloha ho hlokometsoeng ts'ebetsong ea tokiso ea motsamao oa hlooho, e kenyelelitsoe joalo ka phapang e feto-fetohang. Bakeng sa phetoho ea lets'oao le tlase le tlalehiloeng karolong ea morao ea liteko ka lebaka la ho lula teng, mokhoa oa ho feto-fetoha ha nako o sebelisitsoeng ho SPM 8 o sebelisitsoe e le phapang e feto-fetohang. Kamora moo, phapano e ile ea etsoa 'me ea bapisoa pakeng tsa tšusumetso ea thobalano le sepheo sa morao-rao sa ho khetholla libaka tsa boko tse hlahisitsoeng ke moratuoa e mong le e mong oa thobalano. Bakeng sa tlhahlobo ea sehlopha, mohlala o le mong t tlhahlobo le lipara t liteko li entsoe. Mohlala o le mong t Teko e ile ea etsoa ho supa ts'ebetso ea ts'ebetso ea ts'ebetso ea ts'ebetso ea ts'ebetso nakong ea boemo bo bong le bo bong (mohlala, maemo a ho tsosa takatso ea thobalano le boemo ba morao). Ka lebaka leo, lipara t teko e ile ea etsoa ho hlahloba phapang ea ts'ebetso ea boko pakeng tsa maemo a mabeli, ke hore, ts'ebetso ea boko boemong ba ho tsosoa ke thobalano ha e bapisoa le boemo bo sa tloaelehang. Likhokahanyo tsa MNI tsa voxel tse kentsoeng tšebetsong p boleng ba 0.05 (e lokisitsoeng, sekhahla sa tšibollo ea bohata (FDR), e leng boemo bo bohlokoa lithutong tsa fMRI, li ile tsa sebelisoa ho fumana ts'ebetso e kholo lithutong. Ka mor'a moo, lihokela tsa MNI li ile tsa fetoloa hore e be likhokahano tsa Talairach ho khetholla mongolo oa ts'ebetso ea ts'ebetso ea boko. Hape, ho khetholla likarabo tsa hemodynamic tsa libaka tse butsoeng, phetoho ea lipontšo ea liperesente tsa libaka tsa lithahasello (ROIs) e nkuoe nthong e ngoe le e ngoe e sebelisang MarsBaR (http://www.sourceforge.net/projects/marsbar). Likhokahanyo tse sebelisitsoeng tlhahlobisong ea ROI li fumanoe ho latela mohlala oa mohlala o le mong t teko mme li hlalosoa e le likarolo tse bohareng ba voxel e nang le radius ea 5 mm.

Results

Liphetho tsa karabelo ea kelello

Tlhahlobo ea likarabo tsa kelello e bontšitse hore maqhubu a ho tsosoa ha thobalano boemong bo bong le bo bong e ne e le 74 ± 7.79 % (e bolelang ± SD; e emetsoeng e le peresente) boemong ba liteko le 0 ± 0 % boemong ba motheo. Matla a thehiloeng ho tekanyo ea lintlha tse hlano e ne e le lintlha tsa 2.86 ± 0.40 (e bolelang ± SD) boemong ba liteko le 0 ± 0 boemong ba motheo. A parakane t tlhahlobo e bonts'itse hore ho na le liphapang khafetsa le botebong ba ho tsoheloa ke thobalano lipakeng tsa tšusumetso ea thobalano le tšusumetso ea thobalano (khafetsa t (16) = 29.01, p <0.001; matla t (16) = 39.43, p <0.001).

Liphetho tsa litšoantšo tsa boko bakeng sa tlhahlobo ea sehlopha

Likarabo tsa ts'ebetso ea boko nakong ea tlhahiso ea lintho tse tsosang takatso

Libaka tsa boko tse hlahisitsoeng ke lintho tse tsosang takatso ea thobalano li ne li kenyelletsa cuneus, medial occipital gyrus, lingual gyrus, fusiform gyrus, hipocampal gyrus (BA 27), posterior cingulate gyrus, le cerebellum (FDR e lokisitsoeng, p <0.05) (Lethathamo la 1).

Likarabo tsa ts'ebetso ea boko nakong ea tlhahiso ea khothatso ea thobalano

Ha ho ne ho hlahisoa tšusumetso ea thobalano, gyrus ea occipital, gyrus ea precentral, anterior cingulate gyrus (BA 24), hipocampal gyrus (BA 27), thalamus, putamen, claustrum, le cerebellum li ile tsa kenngoa (FDR e lokisitsoeng, p <0.05) (Lethathamo la 2).

Phapang libakeng tsa ts'ebetso lipakeng tsa ts'usumetso ea thobalano le likhotuletso tse senang thobalano

Ts'ebetso e ile ea bonoa karolong e 'meli ea bobeli ea occipital gyrus (BA 18, 19), fusiform gyrus (BA 37), precuneus (BA 19), inferior parietal cortex (BA 40), orbital frontal cortex (BA 47), thalamus, insula, globus pallidus, putamen, le amygdala karabelo ea tšusumetso ea thobalano ha e bapisoa le tšusumetso e seng ea thobalano (FDR e lokisitsoeng, p <0.05), joalokaha ho bontšitsoe ho Lethathamo la 3 le la feiga. 1. Ha ho sebaka se bonts'ang ts'ebetso e kholo ho feta nakong ea maikutlo a boits'oaro ho feta takatso ea thobalano. Setšoantšo 2 e bontša likarabo tsa hemodynamic bakeng sa boemo ka bong ho li-ROI tse khethiloeng ho latela sephetho sa sampole e le 'ngoe t tlhatlhobo. Ha e le mohlala oa likarabo tsa hemodynamic, sebopeho se boreleli se kobehileng se ile sa bonoa bakeng sa liketsoana, precuneus, fusiform gyrus, thalamus, amygdala, orbital frontal cortex, le anterior cingulate gyrus. Sebakeng sa globus pallidus le putamen, kotopo e bohale e ile ea bontšoa.

Feie. 1 

Libaka tse bonts'ang phapang e kholo lipakeng tsa maikutlo a susumetsang a thobalano le maemo a morao a hohelang. Libaka li bohlokoa ho p <0.05, FDR e lokisitsoe sehlopheng sa sehlopha bakeng sa papiso e mengata bokong bohle
Feie. 2 

Likarabo tsa Hemodynamic lipakeng tsa maemo a susumetsang a thobalano le maemo a morao a susumetsang literekeng tse khahlehang. Lintlha tse kenyellelitsoeng li bonts'oa e le liphetoho molemong oa "oxygen oxygen" e itšetlehileng ka nako. Lits'ebetso ke moelelo ± SEM. The ...

Nahanisisa

Phuputso ena e bontšitse ts'ebetso ea ts'ebetso ea boko e amanang le ho tsosa takatso ea thobalano e bakoang ke ts'usumetso ea pono mme e bone likarabo tsa hemodynamic tsa libaka tseo ka nako e sebelisa fMRI e amanang le ketsahalo. Liphetho tsa boithuto li bonts'a hore likarolo tsa boksi tse amanang le takatso ea thobalano li kenyelletsa "orbito frontal cortex" cuneus, precuneus, fusiform gyrus, anterior cingulate gyrus, amygdala, globus pallidus, putamen, le thalamus. Liphetoho ho likarabo tsa hemodynamic tsa libaka tsena li bontšitsoe ho feiga. 2.

Ho latela liphuputso tse fetileng, ho tsosa takatso ea botona kapa ea botšehali e bakiloeng ke tšusumetso ea pono ke sepheo sa ho sebelisana 'moho ho mekhoa e sa tšoaneng ea neural. Sena se kenyelletsa mekhoa ea maikutlo, ea kelello, e susumetsang, le ea 'mele e kenyelletsang lits'ebetso ho tloha ho amoheloeng ho susumetsa ho isa karabong ke tsamaiso ea methapo ea motho ea mahlonoko [, ]. Ka mantsoe a mang, ts'ebetso ea kelello e khetholla hore na tšusumetso ea pono e tsosa takatso ea thobalano kapa che, 'me haeba e amoheloa e le tšusumetso ea thobalano, e lekola botle ba eona ba thobalano. Mokhoa oa maikutlo o amana le maikutlo a thabo ka lebaka la ts'usumetso ea thobalano (e tsosang takatso e kanna ea thobalano), ha ts'ebetso ea ts'usumetso e tsejoa e amana le boikemisetso ba ho hlahisa takatso ea thobalano e le karabelo ea boitšoaro. Mokhoa oa 'mele o tsejoa ho nka karolo karabong ea' mele (likarabo tsa tsamaiso ea methapo ea kutlo le tsamaiso ea endocrine) e amanang le ho tsosa thobalano.

Kamano lipakeng tsa mochini o mong le o mong le likarolo tsa boko tse hlahisitsoeng ke ho tsosa takatso ea thobalano joalo ka ha li hlalositsoe thutong ena li ka hlalosoa ka tsela e latelang. Gyri le "gusus" ea linaha tse ling tse peli tsa naha li nahanoa hore li hokahana le ho amoheloa le ho susumetsoa ha maikutlo a ho tsosa takatso ea botona kapa ea botšehali. Ho ipapisitsoe le lithuto tsa pejana tse ileng tsa etsoa ho supa libaka tsa boko tse amanang le maikutlo a bakoang ke maikutlo a bonoang, moea oa occipital gyri le fusform gusus li ile tsa qaptjoa ha ho hlahisoa maikutlo a susumetsang a maikutlo ho feta ha tšusumetso ea morao-rao e bontšoa ka lebaka la tlhokomelo e eketsehileng [-]. Sephetho se shebiloeng se boetse se tsamaisana le lipatlisiso tse fetileng tse entseng lipatlisiso tse tsosang takatso ea botona kapa botšehali tse susumetsoang ke takatso e bonoang, 'me ba tlaleha hore ts'ebetso ea moferefere oa fusiform e hokahane le ts'ebetso ea ho amohela khothalletso e hlahisitsoeng e le tšusumetso ea thobalano [, ].

Ho kengoa ha ts'ebetso ea precuneus le parietal cortex e tlaase e fumanehang ho parietal lobe ho boetse ho nahanoa hore e amana le ts'ebetso ea kelello. Pono ena e tšehelitsoe ke lithuto tsa pejana tsa ho tsosa takatso ea botona kapa botšehali e susumetsoang ke tšusumetso ea bootsoa [, ]. Ho latela liphuputso tsena, katoloso ea botoneng le matla a takatso ea thobalano a ne a e-na le kamano e ntle le boholo bo sebetsang ba parietal lobe, 'me sebaka se qaliloeng sa parietal lobe e ne e le sebaka sa maikutlo sa bobeli (BA 40). Ba tlalehile hore ts'ebetso ea "activate" ea parietal lobe e kanna ea amahanngoa le maikutlo a ho susumetsa takatso ea thobalano, hammoho le ho kopantsoe le ho hlophisoa ha tlhahisoleseling ea maikutlo a setho sa botona.

Libaka tsa ts'ebetso ea litho tsa 'mele tsa maoto le matsoho li tsejoa li amana haholo le mohopolo oa maikutlo oa thobalano. Phuputsong ena, thalamus le amygdala ea methapo ea methapo e ile ea qalisoa. Ts'usumetso ea thalamus e ne e bonoa hangata lithutong tse fetileng tse neng li sebelisa maikutlo a tsosang takatso ea thobalano [, -]. Lithuto tsena li tlaleha hore thalamus e fumane tlhaiso-leseling e susumetsang ea pono mme e e romella sebakeng se itseng sa cortex ea likhoerekhoere. Ho feta moo, lithuto tse ling li bonts'a hore thalamus e ne e sebetsa e le borokho ba ho fetisa tlhahisoleseling le hore e ne e amana le mokhoa oa maikutlo oa ho tsosa takatso ea botona kapa botšehali [, ]. Ba khothalelitse hore ts'ebetso ea thalamus e amana le thabo ea maikutlo e tsamaeang le maikutlo a thobalano. Amygdala, e neng e kenelletse hammoho le thalamus, e boetse e hokahana le mohopolo oa maikutlo oa ho tsosa takatso ea botona kapa ea botšehali. Kutloisiso e tloaelehileng ea ts'ebetso ea amygdala ke hore amygdala e fumana leseli la maikutlo a fapaneng mme e fetisetsa tlhahisoleseling e sebetsitsoeng ho dorsal striatum, thalamus, stem ea bongo, preortalal cortex le anterior cingulate gyrus. Ts'ebetsong ena, amygdala e tlalehoa e amana le tlhahlobo ea likarolo tsa maikutlo (ke hore, tekanyo ea thabo) ea tlhaiso-leseling e matla ea maikutlo e amanang le tšusumetso ea thobalano [, ]. Amygdala e etsoa ha ho hlahisoa khothalletso ea thobalano, e hlahisang palo e kholo ea likhakanyo ho girase ea ka ntle.

Joale, gyrus ea ka ntle e kenella, 'me ho tsejoa hore e amana le mekhoa e susumetsang ea takatso ea thobalano [, , , -]. Ho latela liphuputso tse fetileng, ACC e tsejoa ho hlahloba likarolo tsa maikutlo le tse susumetsang tsa tlhaiso-leseling ea ho kenya le ho laola likarabo tsa maikutlo [, , , -]. Mabapi le sena, ts'ebetso ea "girus" ea anterior e hlokometsoeng thutong ena e bonts'a khohlano ea kahare lipakeng tsa maikutlo a ho tsosa takatso ea boitšoaro ba ho kopanela liphate le boiteko ba ho e hatella ka lebaka la maemo a liteko. McGuire et al. [] e boetse e bontšitse hore cortex ea orbitofrontal le kahare e amana le tšusumetso ea takatso ea thobalano, e lebisang boits'ebetsong bo tobileng sepheo. Cortex ea orbitofrontal e tsejoa e amahanngoa le ho bolela esale pele meputso ea nako e tlang (ke hore, tebello ea moputso ka lebaka la boitšoaro bo lebisitsoeng) [].

Libaka tse ling tse hlahisitsoeng thutong ena li kenyelletsa "putamen", globus pallidus le gyrus ea pele. Libaka tsena ho nahanoa hore li amana le mokhoa oa 'mele oa ho tsosa takatso ea botona kapa ea botšehali. Pele-pele gyrus ke sebaka sa mantlha sa makoloi, 'me se amana le taolo ea boits'oaro ba botoneng le monahano oa boitšoaro ba thobalano nakong ea takatso ea thobalano ha ho hlahisoa setšoantšo se susumetsang sa pono., , ]. Haholo-holo, putamen le globus pallidus ha li atisoe hangata lithutong tsa moralo oa "block block" mabapi le takatso ea thobalano [, , , , ], empa ts'ebetso ea bona e bonts'itsoe ka mokhoa o hlakileng thutong ena. Sena se lumeloa hore se amana le likarabo tsa hemodynamic tsa putamen kapa globus pallidus. Ka mantsoe a mang, ts'ebetso ea neural ea putamen le globus pallidus e bontšitse likarolo tse fokolang tsa karabelo ea hemodynamic e amanang le ts'ebetso ea neural ea libaka tse ling. Ena e kanna ea ba lebaka le leng le entseng hore libaka tsena li se keng tsa hlahisoa lithutong tsa moralo oa li-block tsa pejana. Globus pallidus le putamen li kenyelelitsoe paleostriatum le neostriatum, ka ho latellana. Li-striatum li ile tsa aroloa likarolo tse peli tse kang ventral le dorsal striatum. Ts'ebetso ea dorsal striatum mabapi le takatso ea thobalano e tsoantsoe le setso sa ho hola [, , ]. Kamano ea bohlokoa e bonts'itsoe pakeng tsa boemo ba ts'ebetso ho putamen le boholo ba penile erection [, , ]. Ka mokhoa o ts'oanang, liphuputso tse ling tsa liphoofolo li boetse li tlaleha hore keketso ea penis e bonts'itsoe ha ho kenngoa ts'usumetso ea motlakase kapa bicucullin e kentsoe ho tsosa putamen [, ]. Ntle le moo, ts'ebetso ea "ventral striatum" e fumanoe e amahanngoa le boemo ba maiketsetso ba takatso ea thobalano [, ]. Ho ka khothalletsoa mesebetsi e 'meli e meholo ea sebaka sena. Taba ea mantlha, taba ea hore moea oa bohlanya o kentsoe moputsong ka hore maikutlo a thobalano a nkoa e le meputso [, , ]. Taba ea bobeli, ts'ebetso ea "ventral striatum" e hokahane le likarolo tsa tšusumetso ea takatso ea thobalano le moputso o lebelletsoeng []. Thutong, ts'ebetso ea "globus pallidus" le "stamatum" in striatum e bonts'itsoe likarolo tsa mmele le moputso oa sepheo sa thobalano.

Meeli ea thuto ena e kenyelletsa tse latelang. Taba ea mantlha, ke lithuto tsa banna ba bong bo fapaneng feela tse nkiloeng thutong ena, mme lithuto tse tlang li lokela ho lekola batho ba litso tse fapaneng tsa thobalano le basali. Taba ea bobeli, re lekantse boholo ba ho tsosa takatso ea thobalano re sebelisa sesebelisoa sa ho itlaleha, mme litekanyo tsa sepheo sa ho tsosa takatso ea thobalano (ke hore, tekanyo ea kholo ea botona) li lokela ho etsoa lithutong tse tlang. Taba ea boraro, lipatlisiso tse ling li hloka ho etsoa ho netefatsa hore na phapang e tsoang liphethong tsa lithuto tse fetileng e tsoa ho amoheloeng ha moralo o mong oa liteko (ke hore, o amanang le ketsahalo kapa block) kapa protocol ea fMRI (ke hore, TR le TE). Ntlha ea bone, re ne re sitoa ho netefatsa hore bankakarolo ba khutletse maemong a bona a mantlha nakong ea li-7-13 s tsa karohano ea tšusumetso. Ka mantsoe a mang, re ne re sitoa ho netefatsa nako ena e ne e lekane hore barupeluoa ba batona ba nkang karolo ba hlaphoheloe boemong ba ho tsosoa ka thobalano, haholoholo ho latela boemo ba mmele. Phetoho lipakeng tsa linaha tse tloaelehileng le tse tsohileng ka thobalano (maikutlo le mmele) e batla e lieha, mme ho thata haholo ho ea pele le morao lipakeng tsa linaha tse peli ka moralo o amanang le ketsahalo.

Leha ho na le meeli e boletsoeng ka holimo, thuto ena e atlehile ho tsosa takatso ea thobalano ka ts'usumetso ea pono. Ka mor'a moo, libaka tse butsoeng li ile tsa khethoa e le sebaka sa ts'ebetso ea kelello ho hlahloba nts'etsopele ea likarabo tsa hemodynamic tsa sebaka seo ka nako. Tsoelo-pele ena e na le moelelo oa hore ts'ebetso ea libaka tsa boko tse neng li sa shejoe khafetsa lithutong tsa moralo oa li-block li ile tsa tsebahala. Thutong e tsoelang pele, re tla etsa tlhahlobo ea karabo ea 'mele nakong ea thobalano. Liphetho li re thusa ho holisa le ho holisa likarabo tse ikhethileng tsa 'mele ho tlatsana le ts'ebetso ea ts'ebetso ea ts'ebetso ea ts'ebetso ea kelello. Phuputsong e tsoetseng pele, haeba likarabo tsa 'mele tsa ho tsosa takatso ea botona le botšehali li fumaneha, liphumano li ka kenya letsoho ho anthropology ka ho senola litšobotsi tsa karabelo ea motho ea thobalano ea sehlopha sa bophelo bo botle.

Mongolo o botlaaseng ba leqephe

 

Lithahasello tse tsitsitseng

Bangoli ba bolela hore ha ba na litlhōlisano.

 

 

Menehelo ea bangoli

JWS, CJC, le JHS li kentse letsoho ka matla molemong oa mohopolo le moralo, ho fumana data, kapa ho sekaseka le ho hlahisa tlhaiso-leseling. JWS e kentse letsoho ho qopitsa sengoloang kapa ho se ntlafatsa hape bakeng sa dikahare tsa bohlokoa tsa thuto. JWS, CJC, le JHS li lumela ho ikarabella bakeng sa likarolo tsohle tsa mosebetsi ho netefatsa hore lipotso tse amanang le ho nepahala kapa botsitso ba karolo efe kapa efe ea mosebetsi li hlahlojoa ka nepo le ho rarolloa. Qetellong, bangoli bohle ba fane ka tumello ea ho qetela ea hore phetolelo e phatlalatsoe.

 

Boitsebiso ba bafani

Ji-Woo Seok, Email: moc.revan@4216kus.

Jin-Hun Sohn, Fono: + 82-42-821-7404Imeile: rk.ca.unc@nhoshj.

Chaejoon Cheong, Fono: + 82-43-240-5061Imeile: rk.er.isbk@gnoehcImeile: rk.ca.tsu@gnoehc.

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