Kotsi ea bocha ea ho nka, ho se tsotelle, le nts'etsopele ea boko: sepheo sa ho thibela (2010)

 Dev Psychobiol. 2010 Apr;52(3):263-76. doi: 10.1002/dev.20442.

mohloli o moholo

Setsi sa Pholisi ea Sechaba sa Annenberg Univesithing ea Pennsylvania, 202 S. 36th Street, Philadelphia, PA 19104, USA. [imeile e sirelelitsoe]

inahaneloang

Phapang pakeng tsa motho ka mong ho se tsotelle Tlas'a ts'ebetso e ntle ea kotsi Ho nka e bonoang nakong ea bocha, 'me mefuta e meng e kotsi ka ho fetisisa ea boitšoaro bona e hokahane ho se tsotelle mekhoa e hlahang pejana Nts'etsopele. Leha ho le joalo, ho kenella pele ho nako ho bonahala ho khona ho fokotsa botebo le tšusumetso ea mekhoa ena ka ho eketsa taolo ea boits'oaro le ho phehella lipakaneng tsa bohlokoa, joalo ka katleho ea thuto. Mofuta o mong oa ho se tsotelle, maikutlo a batlang, a eketseha haholo nakong ea bohlankana 'me a eketsa likotsi tsa ho phela hantle Nts'etsopele. Leha ho le joalo, tlhahlobo ea bopaki ba tšusumetso eo e fokotsang boko Nts'etsopele nakong ea bocha fokotsa matla a ho laola ho se tsotelle e fana ka maikutlo a hore mefokolo efe kapa efe e joalo e patehile. Ho fapana le moo, ho boleloa hore ho haelloa ke boiphihlelo ka boits'oaro ba batho ba baholo ho hlahisa litholoana tse kholo haholo kotsi ho bacha ho feta bofokoli bo hlophisitsoeng ho boko phetoho ea mmele. Patlisiso e tsoelang pele ea phetolelo e tla thusa ho tseba meralo e sirelletsang bacha ha ba ntse ba fetoha batho ba baholo.


Ho tloha - Tšusumetso ea Litšoantšo Tsa Bootsoa Inthaneteng ho Bacha: Tlhahlobo ea Lipatlisiso (2012)

  • Khaello ea sebopeho mohopolong oa bongo ea bongoana, le likhopolo tse joalo ka phello ea boto, e fana ka leseli la hore na bacha ba ka ba kotsing e kholo ea litlamorao tse bobebe hakae ha ba pepesetsoa lintho tse bonts'a thobalano. Ho feta moo, lipatlisiso li bonts'a hore ho haella ha boiphihlelo le ho tloaelana le boits'oaro ba batho ba baholo ho hlahisa kotsi e kholo (Romer, 2010). Ho na le monyetla oa hore sehlopha sa lipono tsena se hlophisehe, 'me ho se tšoane hona ka maikutlo ho totobatsa tlhokeho ea lipatlisiso tse ling mabapi le tšusumetso ea litšoantšo tsa bootsoa bokong ba bocha.

Kholo e makatsang ea tsoelo-pele ea li-neuroscience lilemong tse leshome tse fetileng e hlahisitse liphetho tse makatsang mabapi le nts'etsopele ea boko nakong ea bongoana le bohlankana (Giedd, Blumenthal, Jeffries, Castellanos, Liu, Zijdenbos, et al., 1999; Sowell, Thompson, Tessner, & Toga, 2001). Sephetho se khahlisang ka ho fetesisa se mabapi le phetoho ea nako e telele ea li-cortex (PFC) le libaka tsa parietal. Ho bonahala eka ho pota lilemo tsa 11, PFC le lobes tsa parietal li qala nako ea ho pongoa ka nako e telele ea li-axon tsa neuronal ho fella ka hore o fokotsehe ka mokhoa oa cortical greyical. Ka nako e ts'oanang, ho bonahala ho na le keketseho ea myelination ea neuronal. Bohlokoa ba liphetoho tsena tsa temo ha li sa tla thehoa. Leha ho le joalo, bafuputsi ba bangata ba pheha khang ea hore prun ea protocol e tsoetseng pele e emela taolo e tsoelang pele ea taolo ea boits'oaro, ho ba sieo hoa eona ho tsamaisana le ho susumetsoa le ho etsa liqeto tse fosahetseng. Ho joalo, haesale bacha ba hlalosoa e le tloaelo e fetelletseng ea ho nka kotsi le ho nkeha maikutlo joalo ka mohlala oa ts'ebeliso ea lithethefatsi, likotsi tse sa etsoeng (haholo likotsi tsa koloi), le thobalano e sa sireletsehang (Arnett, 1992).

Motheong oa mekhoa ena ea ho holisa bokong le boits'oaro, bafuputsi ba lithupelo tse fapaneng ba hlahisitse mekhoa e 'meli ea ho holisa kelello ea bongo ea menyetla ea hore mocha a be monyetleng oa ho nka kotsi le ho se ts'oenyehe. Ts'ebetso e ngoe e hlahang pele ho nako ea bocha e tsamaisoa ke meketjana ea moputso oa pele ho nako e kenyelletsang li-ventral striatum (mohlala, li-nucleus accumbens) (Casey, Getz, & Galvan, 2008; Likamore, Taylor, & Potenza, 2003; Galvan, Hare, Parra, Penn, Voss, Glover, et al., 2006). Li-circuits tsena lia hola hanyane ka hanyane (Fuster, 2002) le ho khothaletsa ngoana ea lilemong tsa bocha hore a tlohe hole le lelapa le ho fihlela lintho tse ntseng li tsoela pele tsa lipale tse ncha le tse kang tsa batho ba baholo.Spear, 2007). Ha ho makatse hore boholo ba liketsahalong tsena li na le kotsi e itseng (mohlala, ho khanna, thobalano).

Ka nako e ts'oanang eo mocha a kenang liketsong tsa lipale le likotsi, ho boleloa hore PFC ha e so tsofale ho fihlela moo ho ka hlahlojoang likotsi ka ho lekana le taolo ea ho nka likotsi ka ho lekana ho qoba sephetho se seng. Haholo-holo, PFC le khokahano ea eona le likarolo tse ling tsa boko ho nahanoa hore ha li na moeli ho fana ka taolo e lekanang bakeng sa boitšoaro ba bocha. Lekhalo lena la ntlafatso la nts'etsopele ea taolo e thehiloeng ho PFC mabapi le potoloho e tsoetseng pele ea ts'ebetso ho boleloa hore e baka nako e ke keng ea qojoa ea kotsi ho bacha.Casey et al., 2008; Nelson, Bloom, Cameron, Amaral, Dahl, & Pine, 2002; Steinberg, 2008). Ntle le moo, ho khothaletsoa hore mehato ea ho fokotsa nako ea tlokotsi e tla ba le katleho e fokolang (sheba Steinberg, makasineng ona).

Mo pampiring ena, ke pheha khang ea hore mehloli ea mantlha ea kotsi ea bongoana le ho nka khato e potlakileng ke ea mefuta e 'meli. E 'ngoe ke mofuta oa pele oa ho susumetsa o leng teng lilemong tsa pele tsa bophelo (bonyane lilemo tsa 3) tse phehellang bongoaneng. Mohloli ona oa kotsi o tšoana le Moffitt's (1993) Tsela ea ntlafatso ea "bophelo bo phehellang" le ea Patterson (Patterson, Reid, & Dishion, 1992) "Starter" ea pele. Mohloli oa bobeli oa kotsi o amahanngoa le ho phahama ha maikutlo ho batla ho hlahisoang ke ts'ebetso ea ts'ebetso ea ventral striatum (Litho tsa et al., 2003; Spear, 2009). Joalokaha ho se ho hlokometsoe, phetoho ena e khothaletsa teko ea boits'oaro ba batho ba baholo. Leha ho le joalo, ho fapana le ho emela bofokoli ba sebopeho taolong ea pele, litloaelo tsena tse behang bophelo kotsing li hlahisoa e le litholoana tsa nts'etsopele e tloaelehileng le tlhokeho e ke keng ea qojoa ea ho ikamahanya le boits'oaro bona ba lipale.

Ha ke theha khang ena, ke qala ka ho hlahloba bopaki bo mabapi le lipontšo tsa pele tsa ho hloka boits'oaro le hore na boiphihlelo nakong ea bongoana, haholoholo mefuta e fapa-fapaneng ea khatello ea maikutlo, e ka etsa hore bacha ba bang ba kenelle liketsong tse kotsi ha ba ntse ba le lilemong tsa bocha. Bopaki bona bo fana ka maikutlo a hore mohloli o ka sehloohong oa ho ipeha kotsing nakong ea bocha e ka ba lebaka la taolo e sa laoleheng e etsoang pele ho nako ea bocha. Ka lebaka leo, ho nka kotsi ea bocha ha se ntho e ts'oanang, 'me ho se tšoane ho atileng ho atileng ha boitšoaro bo joalo nakong ea bocha.

Lipontšo tsa pejana tsa ho ba le kotsi ea bongoana

Leha ho na le tšobotsi e atileng ea bacha ea ho ba lilemong tsa bocha e le taolo e potlakileng le e hlokang taolo ea kelello, bopaki mabapi le boitšoaro bo joalo bo fana ka setšoantšo se hlakileng haholoanyane. Haeba re sheba lipatlisiso tsa morao-rao tsa litekanyetso tsa boitšoaro bo kotsing, re bona mokhoa o ts'oanang o ts'oanang. Mohlala, mabapi le ho itlopa joala, data e tsoang ho Seattle Social Development Project (Leralla, White, Chung, Hawkins, & Catalano, 2000) bonts'itsoe Setšoantšo sa 1 bonts'a hore ho fapana le ho bonts'a keketseho e ts'oanang nakong eohle ea bohlankana, mokhoa o hlahelletseng bakeng sa boitšoaro bona ke ho se kopanele ho ona. Hoo e ka bang 70% ea bacha ba sehlopheng seo ba sa tlaleha ho itlopa joala. Ka lehlakoreng le leng, ho ne ho na le sehlotšoana sa bacha (3%) ba bonts'itseng litekanyetso tse phahameng tsa ho itlopa joala ha ba le lilemo tsa 13 le ba phehellang mohopolong ona ho fihlela a le lilemong tsa 18. Sehlopha sa boraro sa bacha (4%) se qalile ho itlopa joala nakong ea bocha mme sehlopha sa bone se seholo haholo (23%) se ile sa qala kamora nako ea bongoana 18.

Setšoantšo sa 1  

Lits'oants'o tsa ho itlopa joala ha li lekiloe ho Seattle Social Development Project (e hatisitsoeng hape ka tumello ho Hill et al., 2000).

Mohlomong o ile a ithuta ka boitšoaro bo nyarosang le ho feta, bohloeki ba 'mele Nagin le Tremblay (1999) sehlopheng sa bona sa bocha ba banna libakeng tse kotsing e phahameng ea Montreal. Joalokaha re bona ho Setšoantšo sa 2, esita le setsing sena se kotsi haholo, karolo e kholo ea bacha (17%) ha ho mohla e kileng ea kopanela liketsong tse mabifi. Leha ho le joalo, bacha ba bangata ba entseng joalo ba sa le banyenyane (80%) ba bonts'a likhahla tsa mabifi ha ba tsofala. Mekhoa ena ha se bopaki ba taolo e fokolang ea kelello nakong ea bohlankana. Leha ho le joalo, joalo ka ho itlopa joala ho itlopa joala, sehlotšoana sa bacha (4%) se bonts'a litekanyetso tse phahameng le tse phehellang tsa pefo qalong ea bongoaneng mme li ile tsa tsoela pele ho fihlela bohlankana bona.

Setšoantšo sa 2  

Litloaelo tse mpe tsa boitsoaro bo bobe joalo ka ha li lekiloe libakeng tse kotsing e kholo ea Montreal (e hatisitsoeng hape ka tumello e tsoang ho Nagin & Tremblay, 1999). Ho ile ha bonoa li-trajector tse 'ne: Low (17%), litakatso tse itekanetseng (52%), likhaello tse phahameng (28%), le ho sa feleng ...

Mekhoa ena e tsamaellana le litlhahiso tsa Moffitt le Patterson tsa hore mefuta e mengata ea boits'oaro bo kotsi e simolohile lilemong tsa pele ho bocha. Ho joalo, mekhoa ena ea lilemo e fana ka maikutlo a hore bacha ha ba itšoare ka tsela e ts'oanang le boits'oaro bo kotsing mme mohloli o moholo oa ho ipeha kotsing ea bocha o teng pele ho nako ea bocha. Ha ho makatse ka lebaka leo phapang e kholo ea batho ba lilemong tsa bocha e nka karolo e nyane ea akhaonto ea bocha bakeng sa karolo e kholo ea mefuta e mebe ea ho ipeha kotsing e bakang matšoenyeho ka bacha. Ka mohlala, Biglan le Cody (2003) e fumane hore 18% ea lilemo tsa bacha 12 ho 20 e kentse hoo e ka bang karolo ea bobeli ho tse tharo ea ho khanna ho tahiloeng le 88% ea ho ts'oaroa ha botlokotsebe.

Karolo ea ho potlakela ho nka kotsi ea bongoaneng

Bopaki bo bongata bo fana ka maikutlo a hore bacha ba kenang ts'ebetsong ea ho ipeha kotsing ea pele, joalo ka tšebeliso ea lithethefatsi le boitšoaro bo mabifi, ba bonts'a maemo a phahameng a potlakileng ho tloha bocheng ba 3 (Caspi & Silva, 1995; Caspi, Henry, McGee, Moffitt, & Silva, 1995; Caspi, Moffitt, Newman, & Silva, 1996; Masse & Tremblay, 1997; Raine, Reynolds, Venables, Mednick, & Farrington, 1998). Ho joalo, tšekamelo eohle ea boits'oaro bo kantle ho naha e bonahala e amana le lits'oants'o tse tebileng tsa mekhoa e sa susumetseng (Kreuger et al., 2002) se hlahang qalong ea nts'etsopele (McGue, Iacono, & Kreuger, 2006). Bopaki bona bo boetse bo tšehetsa khopolo ea hore karolo e ntle ea boits'oaro bo bonoang ho bacha e hokahane ka karolo e nyane ea bacha (cf. Biglan le Cody, 2003).

Ha re ithuta ka karolo ea bohlasoa, ho bohlokoa ho hlokomela hore tšekamelo ea lintho tse ngata ebile ha e hlahe e le mokhoa o le mong. Sebakeng seo, e bonahala bonyane mefuta e meraro e ka ikemelang ka bo eona. Mokhoa o mong o joalo o ka bitsoa ho sebetsa ntle le ho nahana, e tšoauoa ka ho hloka botsitso ntle le bopaki ba ho nahanisisa kapa ho ela hloko tikoloho. E hlahlojoa ke bonyane litekanyo tse peli tsa ho itlaleha: Barratt Impulsivity Scale's motor impulsivity subscale (Patton, Stanford, & Barratt, 1995) le Eysenck I7 sekala (Eysenck le Eysenck, 1985). Ha e hlahlojoa ke tlaleho ea bashebelli, e tšoauoa ka moea o sa laoleheng le o nang le khatello e matla, o kang o bontšitsoeng ho bana ba nang le tlhokomelo e tebileng ea ho senyeha ha kelello (ADHD) (Barkley, 1997).

Ho sebetsa ntle le ho nahana ke sepheo sa likhopolo tsa neurobehaeveal tsa kotsi ea pele bakeng sa mathata a ts'ebeliso ea lithethefatsi (Tarter et al., 2003; Zucker, 2006). Bafuputsi ba sebelisang liteko tsa ts'ebetso ea botsamaisi ho bonts'a maikutlo ana a ho tsepamisa maikutlo mehatong ea thibelo ea likarabo, joalo ka mesebetsi ea maqhubu a ho emisa (Williams, Ponesse, Shachar, Logan, & Tannock, 1999). Mesebetsi ena e lekola bokhoni ba ho lekola mekhoa e hanyetsanang ho nka khato le ho thibela likarabo tsa pele ha li se li sa fetohe. Ho bana ba banyenyane, mosebetsi o bobebe o kenyelletsa ho beha leihlo mekhoa e sa tsotelleng e hlokoang (mosebetsi o sa tsitsang). Bana ba nang le ADHD ha ba etse hantle mesebetsing e joalo (Vaidya, Bunge, Dudukoric, Zalecki, Elliot, Gabrieli, 2005).

Mofuta oa bobeli oa ho susumetsa o khetholloa ke tloaelo ea ho bontša ho hloka mamello ha u fuoa khetho pakeng tsa moputso o monyane o haufi le moputso o moholo empa o liehile. Hangata e hlahlojoa ho sebelisa paradigm ea ho lieha ho theoleloang e ka lekang phapang lipakeng tsa meputso e liehang (Ainslie, 1975; Rachlin, 2000). Mischel le basebetsi-mmoho (1988) o sebelisitse mosebetsi o bobebe oo bana ba lilemong tse ka tlase ho 4 ba fuoeng mosebetsi oa ho emela ho fumana moleko o lekang joaloka marang-rang. Bana bao ba neng ba ka itatola mochini o le mong bakeng sa ho amohela tse peli hamorao ba ile ba fuoa liphoso e le ho bontša mamello. Ntle le moo, bana ba fumaneng mosebetsi ona hantle ba ile ba tsoela pele ho bontša mamello ho letšoao le joalo ka ho sebetsa hantle sekolong. Patlisiso e ngoe e bonts'a hore bacha ba hlokang mamello le bona ba na le monyetla o moholo oa ho leka le ho sebelisa lithethefatsi (B. Reynolds, 2006; Romer, Duckworth, Sznitman, & Park, 2010).

Joalo ka ho sebetsa ntle le ho nahana ho amahanngoa le bofokoli mosebetsing oa botsamaisi, liphapang tsa ho lieha ho lieha li tsamaisana le phapano ea matla a ho sebetsa ka mohopolo le IQ (Shamosh, DeYoung, Green, Reis, Johnson, Conway, et al., 2008). Mokhatlo ona o fana ka maikutlo a hore batho ba nang le bokhoni bo fokolang ba ho boloka lipheo tse hole molemong oa ho hopola ha ba khetha pakeng tsa meputso e potlakileng le e liehang, ba tloaetse ho theola meputso e liehang. Kamano lipakeng tsa ts'ebetso ea bofokoli bo fokolang le e 'ngoe ea mefuta ena ea ho se ts'oenyehe ha e makatse ha ho fanoa ka mokhoa o sa tsotelleng hore boitšoaro bo sa tsitsang hangata bo hlalosoa e le ho hloka taolo ea boits'oaro holim'a boitšoaro.

Ho sa tsotelehe hore ts'ebetso e fokolang ea ts'ebetso e laola ho hloka mamello le ho sebetsa ntle le ho nahana, bopaki bo tsoang mehlaleng ea liphoofolo le ea batho bo bontša hore mekhoa ena ea ho susumetsoa e ikemetse (Pattij le Vanderschuren, 2008; B. Reynolds, Penfold, & Patak, 2008). Ka mantsoe a mang, batho ba bonts'ang mofuta o le mong oa ho susumetsoa ha ba na monyetla oa ho bontša o mong. Ntle le moo, ho na le mofuta oa boraro oa ho qhekella o ikemtseng ho tse ling tse peli (Whiteside le Lynam, 2001). Tloaelo ea ho atamela lipale le liphihlelo tse monate, tse tsejoang ka boikutlo (Zuckerman, 1994) kapa E ncha (Cloninger, Sigvardsson, & Bohman, 1988) ho batla, ho tsebahala ka ho hlahloba lintho tse ncha tse susumetsang le tšekamelo ea ho etsa liteko ka mesebetsi e thabisang leha ho na le likotsi tse amanang le tsona. Ho fumanoe hore e kholo ho bana ba bonts'ang mekhoa ea pele e mabifi le mefuta e meng ea boits'oaro bo kantle (Raine et al., 1998).

Phuputsong e entsoeng Philadelphia ka sampole ea sechaba ea lilemo tsa bacha tsa 387 ho 10, 'na le basebetsi-mmoho re fumane hore ho ts'oaroa ha ho hlahlojoa ka ho sebetsa ntle le ho nahana le ho batla maikutlo e ne e le mokhoa o matla oa mefuta ea mathata le boits'oaro bo kotsi (Romer, Betancourt, Giannetta, Brodsky, Farah, & Hurt, 2009). Joalokaha re bona ho Setšoantšo sa 3, mohlala oa ho qhekella o nang le mehato e 'meli ea ho susumetsa (ba ne ba hokahantsoe mohlaleng ona e monyane, r = .30) o ile a khona ho hlalosa ka botlalo kamano e lipakeng tsa boits'oaro ba mathata (joalo ka boitsoaro bo hanyetsang le matšoao a ADHD) le ho nka kotsi (joalo ka jwaloka ho nwa jwala, ho becha bakeng sa chelete, ho loana, le ho tsuba koae) ho se na kamano ea bohlokoa e sieang pakeng tsa bobeli ba bona. Boithuto bona bo tiisa bohlokoa ba mefuta e 'meli ea ho se ts'oanelehe bakeng sa lipontšo tsa pejana tsa boits'oaro bo kotsi mme e lumellana le likhopolo tse behang mohopolo ho mathata a bongoana a ho khetholla mathata a bongoana le boits'oaro bo kotsi (Tarter et al., 2003; Zucker, 2006).

Setšoantšo sa 3  

Liphetho tsa mohlala oa ho qobella ho bonts'a hore ho qobella ho hlalosa ho its'ireletsa ho kotsi le boits'oaro ba mathata sesoleng sa sechaba sa Philadelphia preadolescents (lilemo tsa 10 ho 12) (ho tloha Romer, et al., 2009). Mokhoa oa ho tloha boits'oarong bo botle ho beha boits'oarong bo bobe o ne o se joalo ...

Karolo ea khatello ea khatello ea maikutlo nakong ea ha motho a le mothating oa ho beha bana kotsing ea ho ba mokha

Bopaki bo potlakileng bo tsoang ho neuroscience le boits'oaro ba lefutso bo hatisa bohlokoa ba ho pepeseha kapele ho khatello ea maikutlo e matla bakeng sa bophelo bo botle ba morao-rao. Ho na le bopaki bo bongata ba hore khatello ea maikutlo e matla, e phehellang eseng tlasa taolo ea motho ka mong, e na le litlamorao tse "nang le chefo" liphellong tse fapaneng tsa bophelo bo botle (Shonkoff, Boyce, le McEwen, 2009). Mabapi le ho nka kotsi ea ho kena bohlankaneng ba bocha, Phuputso ea Adult Childhood Experience (ACE) e entsoeng ke CDC (Anda et al., 2006; Middlebrooks & Audage, 2008), e bontša kamoo ho pepesehela mefuta e fapaneng ea khatello nakong ea bongo e bolela esale pele mekhoa e mebe ea ho ipeha kotsing. Haholo-holo likhatello tse joalo tsa pele tse kang ho hlekefetsoa 'meleng le maikutlong, ho se tsotelle maikutlong, tšebeliso ea lithethefatsi tsa motsoali, le ho pepesehela pefo ka lapeng ho ile ha hokahana le liphetho tse bohloko tsa morao tjena tsa bocha ho kenyeletsa ts'ebeliso ea lithethefatsi, bokhoba le ho ipolaea. Bocha ba basali, boiphihlelo ba tlhekefetso ea thobalano bo ne bo amana haholo le ho pepesetsoa mehloli e meng ea khatello mme bo ne bo amana le lilemo tsa pejana ho thobalano ea pele, le boimana bo sa reroang. Ka kakaretso, ha li-ACE tse ngata li ba le boiphihlelo, ho ata ha boits'oaro bo kotsi bocheng le bophelong ba morao.

Patlisiso mabapi le mesaletsa le litoeba e fana ka kutlwisiso ea hore na liphihlelo tse bohloko tsa pele li ka hlahisa litlamorao tsa nako e telele ho boitshwaro bo ka hlahang bongoaneng. Patlisiso ea Meaney le bo-mphato ba hae ka litoeba e bonts'a hore phapang ea tlhokomelo ea pele ea bo-mme e ka hlahisa litlamorao tsa epigenetic ho bana. Mohlaleng oa bona, liphatsa tsa lefutso tse laolang karabelo ea khatello ea maikutlo ho hypothalamic-pituitary-adrenal axis (HPA) li "khutsisitsoe" ho lebisang ho reacance e kholo ho khatello ea maikutlo (Meaney, 2001). Ka rat, bo-'mè ba sa fepeheng ho hlokomela masea a bona ba kotsing e kholo ea ho hlahisa litholoana tsena. Litlamorao tsena li bonahala li aroloa ka karolo e itseng ka ho fokotsoa ha serotonin e sebetsang ho hippocampus. Ho boetse ho bonahala ho e-na le litlamorao tse mpe bokamosong ba sebaka le mohopolo o kopantsoeng le ts'ebetso ea hippocampal. Sena se boetse se lebisa karabelong e fokolang ho feta ea liphihlelo tse sithabetsang ho bana (Meaney, 2007).

Phello e makatsang ka ho fetisisa ea lits'ebetso tsena tsa epigenetic ke hore bana ba basali ba bo-'mè ba sa foleng ba na le monyetla o moholo oa ho phela ka tsela e tšoanang le bana ba bona. Re sebelisa meralo e khothatsang, ho ka khonahala ho tseba hore sena se hlahisoa ke phetiso ea boiphihlelo ba ho e-na le liphatsa tsa lefutso. Ka mantsoe a mang, ke boiphihlelo ba boimana bo hlahisang phello ho fapana le phetiso ea lefutso ho tloha ho motsoali ho ea ho ngoana.

Boiphihlelo ba pele ho litšoene bo hlahisa litlamorao tse tšoanang. Patlisiso ea Suomi le litšoene tsa rhesus tse holisoang ke bo-mme ba tsona kapa ke lithaka tse nyane haholo tse hlokomelang e fumana hore banna ba holisitsoeng ke lithaka ba bontša boits'oaro bo fetelletseng ba bocha bocheng (Suomi, 1997). Ha ba etsa lipatlisiso le litšoene tsa rhesus macaque, Maestripieri le basebetsi-mmoho ba hlahlobile litlamorao tsa tlhekefetso ea bo-mme le ho se tsotelle ho bana (Maestripieri, 2008). Ba boetse ba fumana hore tlhekefetso ea basali e fetisoa ka boitšoaro ho e-na le liphatsa tsa lefutso. Ntle le moo, ba fumana karolo e itseng bakeng sa bobuelli ba serontonergic bo hlahang bo eketsa ho hloka matla ho bana. Ke hore, bana ba hlekefelitsoeng ba bonts'a maemo a tlase a serotonin ho mokelikeli oa lesapo la mokokotlo, e leng sesupo se kopantsoeng le ts'usumetso e eketsehileng (McCormack, Newman, Higley, Maestripieri, & Sanchez, 2009). Taba e 'ngoe e khahlisang ea lipatlisiso tsena ke hore mofuta o mokhuts'oane oa mofuta oa phepelo ea serotonin o ntlafatsa litlamorao tsa tlhekefetso ea bo-mme, ho fumaneng lipatlisiso tse lumellanang le batho ba hlekefetsoang nakong ea bongoana (Caspi, Sugden, Moffitt, Taylor, Craig, Harrington, et al., 2003).

Patlisiso le batho e boetse e fana ka maikutlo a hore ho tšoaroa hampe ke batsoali esale pele ho tsamaisana le mathata a morao a boitšoaro. Phuputsong e telele ea bana ba kotsing e kholo ho tloha lilemong tsa 2 ho isa 8 (Kotch et al., 2008), ho se tsotelle ha motsoali pele ho lilemo 2 e ne e le ponelo-pele ea boitšoaro bo mabifi ho motho ea lilemo li 8. Hamorao ho se tsotelle ha hoa ka ha bolela esale pele boitšoaro bo mabifi lilemong tsena tsa pele. Patlisiso e 'ngoe e thathamisitse ho etsa lintho tse sa tloaelehang ho khatello ea maikutlo le motsoako oa HPA ka lebaka la tlhekefetso ea pele (Tarullo & Gunnar, 2006).

Bothata bo bong ba ho leka tlhaloso ea epigenetic bakeng sa ho eketseha hoa axis ea HPA ho batho ke tlhoko ea ho hlahloba lisele tsa boko. Phuputsong e sa tsoa etsoa, McGowan le basebetsi mmoho (2009) e hlahlobe lisele tsa hippocampal ho batho ba hlokahetseng ba ipolaileng kapa ba shoeleng ka mekhoa e meng. Ntle le moo, ba ileng ba shoa ka lebaka la ho ipolaea ba ne ba khetholloa mabapi le hore na ba kile ba tšoaroa hampe kapa ba hlokomolohuoa joaloka bana kapa che. Ho latela tlhaloso ea epigenetic, batho ba ileng ba tšoaroa hampe ke bana ba tlameha hore ba bonts'e bopaki bo bongata ba hore gene e khutsitse libakeng tse amanang le karabelo ea khatello ea maikutlo, ho kenyeletsoa le hippocampus. Boithuto ba bona bo hlile bo supile litlamorao tse joalo, ka hona li fana ka bopaki ba pele ba litlamorao tse ts'oanang tsa epigenetic bathong.

Patlisiso ea Meaney e fana ka maikutlo a hore boits'oaro ba bo-mme ho bana ke mosebetsi oa khatello ea maikutlo eo mme a nang le eona. Bo-mme ba nang le khatello e matla ea maikutlo ba tšoara bana ba bona ba sa tsoa tsoaloa ka phepo e tlase, ts'ebetso e lebisitsoeng ho tšireletso ea tikoloho. Le ha hona ho ka fa bana monyetla o itseng ka ho eketseha ha maikutlo, e ka ba tšobotsi e kotsi bathong haholoholo ha e baka ho hloka taolo ea boitšoaro le maemo a mang a kantle a eketsang kotsi ea kotsi le ho koalloa chankaneng. Ha ho potang hore khatello e matla eo bo-mme ba nang le eona e ka ba teng maemong a tlase a moruo le moruo moo ho hloka botsitso ho potileng lijo le lithuso tse ling ho ka bang thata haholo (Evans & Kim, 2007).

Liphetoho tsa ho ba le tšusumetso nakong ea bocha

Boithuto ba likotsi tsa boits'oaro ba kotsi nakong ea bongoana le bohlankana bo bonts'a hore ntle le ts'ebetso ea bongoana e qalang nakong ea bocha, hangata ho na le likotsi tse le 'ngoe kapa tse ngata tse hlahang nakong ea bohlankana le botsofali ba morao. Moffitt o ile a re tsena ke lits'oants'o tse fokolang tsa bohlankana hobane li tloaetse ho fokotseha ha bocha bo kena bohlankaneng. E 'ngoe ea mehloli e meholo ka ho fetisisa ea likhatiso tsena ke ho phahama ha maikutlo a ho batla ho bonahala ho khetholla boholo ba bacha nakong ea lilemo tsa bocha. Ho phahama ha maikutlo a ho batla ho hokahane le keketseho ea ho lokolloa ha dopamine ho ventral striatum (Litho tsa et al., 2003). Spear (2007) o supile sena e le tlholeho ea tlhaho ho liphoofolo tse anyesang tse hlahang li khothaletsa phoofolo ea lilemong tsa bocha hore e tlohe malapeng le ho iteanya le lithaka ho ithuta tšimo e ncha le ho khetha balekane.

Re hlokometse keketseho ena ea maikutlo a batlang mehlala ea naha ea lilemo tsa bacha 14 ho 22 (Romer le Hennessy, 2007) (Bona Setšoantšo sa 4). Boemo bohle ba ho batla maikutlo bo boholo ho ba batona ho feta ho ba batšehali, 'me ba batona ba bonts'a phetoho ea nako e telele mohlaleng ona. Le ha bacha ba basali ba le holimo lilemong tsa 16, bacha ha ba fihle sehlohlolong sa bona ho fihlela ba le lilemo tsa 19. Ho phahama hona ha maikutlo a ho batla ke pontšo e le 'ngoe ea ts'ebetso ea dopaminergic ea li-nucleus accumbens, e leng mohato o phahameng nakong ea bohlankana. Ho phahama hona ha maikutlo a ho batla ho kopane ka mokhoa o hlollang le meketjana e meng ea mengwaga e kotsing ea ho ts'oaroa, joalo ka ho ts'oaroa ha boits'oaro ba botlokotsebe le ts'ebeliso ea lithethefatsi (bona Setšoantšo sa 5) joalo ka ha ho hlahlojoa ke Monitoring the future Study (Johnston, O'Malley, Bachman, & Schulenberg, 2006). Ntle le moo, liphapang tse fapaneng bathong ena li hokahane le mefuta e mengata ea boits'oaro e kotsi ho bacha le batho ba baholo (Roberti, 2004; Zuckerman, 1994).

Setšoantšo sa 4  

Mekhoa ea maikutlo a ho batla botsofaling ho Pateng ea Sechaba ea Annenberg ea Bacha (e nkiloeng ho Romer le Hennessy, 2007, ka tumello).
Setšoantšo sa 5  

Mekhoa ea nako e telele ea tšebeliso ea joala, matekoane le koae joalo ka ha ho tlalehiloe Thutong ea Monitoring ea Kamoso.

Potso e 'ngoe ea bohlokoa e amanang le ho phahama ha maikutlo a ho batla nakong ea bocha ke hore na e amana le ho haella ha taolo ea bolaoli holim'a mekhoa e le mefuta e meng ea pherekano e hlahang. Ho na le bopaki bo fokolang potsong ena, empa ho fanoa ka khokahano e nyane empa e le ea bohlokoa lipakeng tsa maikutlo a ho batla le IQ (Zuckerman, 1994), ho ka bonahala eka batho ba bonts'a maikutlo a matla a ho batla ho khanna ba se ba sa khone ho fana ka taolo e phahameng holim'a boitšoaro ba bona. Ho joalo, thutong ea maiketsetso ea Philadelphia, re fumana hore liphapang tsa ho batla maikutlo li amana hantle le ts'ebetso ea memori e sebetsang (Romer, Betancourt, Brodsky, Giannetta, Yang, & Hurt, 2009). Kahoo, ho bonahala eka mohloli o mong o matla oa ho ipeha kotsing ea ho kena bohlankaneng ha o kopane le bofokoli mosebetsing oa bona.

Phuputso e sa tsoa etsoa ke Raine le basebetsi mmoho (Raine, Moffitt, Caspi, Loeber, Stouthamer-Loeber, & Lynam, 2005) e hlahlobe ts'ebetso ea methapo ea kutlo molemong oa bacha ba khahlanong le sechaba le bacha ba nang le meeli e mengata le ba sa khopiseng. Ba fumane bofokoli ba nako le nako e telele bocheng bo khahlanong le sechaba bo lumellanang le ts'ebetso e fokolang ea hyppocampal e tlisoang ke tlhekefetso ea bana. Leha ho le joalo, bacha ba bonts'ang feela keketseho e nyane ea boitsoaro sechabeng sa bocha ba ne ba sa tšoane le bacha ba sa khopiseng lintho tse ngata tsa ts'ebetso ea kelello.

Boikarabello ba ho Ts'oarella Ho Batla Kotsi ea Bacha

Ka lebaka la karolo e matla ea maikutlo a ho batla ho beha bophelo ba bacha kotsing, ho bohlokoa ho bona hore na litlamorao tsa ho etsa liqeto li kenyelletsa mekhoa e fapaneng le e sebelisoang ke batho ba baholo. Ka mokhoa oa morao-rao o boletsoeng oa ho beha bacha kotsing ea ho kena bohlankaneng, Romer le Hennessy (2007) o khothalelitse hore tšusumetso ea ho batla maikutlo e kopantsoe ke lits'ebetso tse tšoanang tse etsang liqeto tsa batho ba baholo, e leng tšebeliso ea ama e le motheo oa ho hlahloba mekhoa e meng ea boits'oaro. Haholo-holo, joalo ka ha ho boletsoe ke Slovic le basebetsi mmoho (Finucan, Alhakami, Slovic, & Johnson, 2000; Slovic, Finucane, Peters, & MacGregor, 2002), the heuristic e amehang ke qeto e matla le e bonolo e sebelisang qeto e itšetlehileng ka karabelo e kholo ho khetho ea karabelo e le mokhoa oa ho lekola menyetla ea moputso. Ntle le moo, ts'ebeliso ea sebapali sa puo e phahameng e hlahisa kamano e pakeng tsa maikutlo a kotsi le moputso. Ka mantsoe a mang, ts'oaetso e hokahanang le ho feta e amanang le khetho, e beha kotsing e fokolang.

Kamano e fapaneng lipakeng tsa kotsi le moputso ke ho kheloha mehlala ea khetho ea liqeto eo ho eona likotsi le meputso li hlahlojoang ka bo bona. Ho joalo, likotsi le meputso hangata ha li tsamaellane lefatšeng la liphetho tse sa tsejoeng (Slovic et al., 2002). Leha ho le joalo, e bonahala e le tšobotsi ea liqeto tsa rona tsa ho etsa liqeto ho beha kamano e fapaneng lipakeng tsa likarolo tsena tse peli tsa khetho. Palo ena ea qeto e re etsa hore re be tlas'a likhetho tse itseng tsa kahlolo tse laoloang ke karabelo e atileng ea likhetho tsa boitšoaro. Mesebetsi eo re e thabelang e bonahala e se na kotsi ho feta e hlokehang haholo empa e sa khahlise. Kahoo, re khetha ho khanna makoloi ho e-na le ho palama literene, leha ho le joalo, kamehla, literene li sireletsehile haholo ho feta makoloi. Leha ho le joalo, mohoebi o fana ka liqeto tse bonolo ho feta ho nahanisisa ka likotsi le meputso e ka hlokang.

Ho tloha ponong ea "neuroscience" ea ts'ebetso, ts'ebeliso ea matla a amang ke ntho e tsotehang. Hobane e hloka ho nahanisisa hanyane, e ka tataisa boits'oaro ntle le tlhoko ea taolo e batsi ea kelello. Ka lebaka leo, ha ho na lebaka le leholo la ho lumela hore ho tlameha ho its'etleha holima ntlafalo e kholo ea mekhoa ea taolo ea kelello nakong ea bohlankana. Ho joalo, libaka tsa PFC tse kenang ka hare li ama tlhahlobo ea pejana ho feta libaka tse kenang kahare le tsa morao-rao (Fuster, 2002tse bohlokoa bakeng sa mesebetsi e mengata ea tsamaiso (Miller & Cohen, 2001). Ha ho makatse hore ha re hlahloba kotsi ea ho beha boitšoaro ba bacha, re fumana hore ts'usumetso e matla e phela ebile e phetse hantle ntlheng ena ea ho etsa liqeto. Ntle le moo, ts'ebeliso ea eona ha e bonahale e fapana le lilemo ho tloha bohareng ba bocha (lilemo tsa 14) ho ea ho motho e moholo ea lilemo (XXUMX) (Romer le Hennessy, 2007). Mohlala, ho lekola tšusumetso e amanang le ho tsuba, ho noa joala, le ho tsuba matekoane, likahlolo tsa botle bo amehang le ho ipeha kotsing li amana ka mokhoa o ts'oanang 'me li theha ntlha e le' ngoe e amanang le ts'ebeliso ea lithethefatsi ka seng. Ho joalo, likahlolo tsa tlokotsi ha li eketse kholo ea kholo ea ts'ebeliso ea lithethefatsi ntle le tšusumetso e ntle e tlameletsoeng ho moriana ka mong.

Tšobotsi e 'ngoe ea bohlokoa ea ho beha bacha kotsing ke ho ba le tšusumetso ea lithaka. Joalokaha re bona ho Setšoantšo sa 6, batho ba batlang maikutlo ba bona ha ba kopanye feela tse ntle liphihlelong tsa lipono le liphihlelo tse monate, hape ba batla lithaka tse nang le lithahasello tse tšoanang. Ts'ebetso ena ea khetho e theha tikoloho ea sechaba e sa khothalletseng feela ho beha kotsi, empa e boetse e ntlafatsa tšusumetso e ntle e kopantsoeng le boiphihlelo ba lipale. Hobane bacha ba fapaneng ka maikutlo ba batlang ho bokana le lithaka tse ts'oanang, litlamorao tsa ho batla maikutlo a bona ba matlafatsoa ke ho pepesehela ba bang ka ts'ebetso ea ho ama phetiso. Ka lebaka la hore mocha oa lilemo tse ts'oanang o na le ts'ebetso e ts'oanang ea ho ts'oha ha maikutlo, ts'ebetso ena ea lithaka e phahamisa khahleho e khahlisang ea boits'oaro le boitšoaro bo khahlisang bo joalo ka ts'ebeliso ea lithethefatsi. Ka lebaka leo, litlamorao tsa ho ama boitšoaro li ntlafatsoa ke litšusumetso tsa lithaka.

Setšoantšo sa 6  

Liphetho tsa mohlala oa ho ferekanya li bonts'a mokhoa o amang litlhahlobo le tšusumetso ea lithaka ho hokahanya kamano lipakeng tsa ho batla maikutlo le tšebeliso ea joala lilemong tsa bocha 14 ho 22 (e fetotsoe ho tloha Romer le Hennessy, 2007).

Joalokaha re bona ho Setšoantšo sa 6, boima ba 'mele bo hokahanyang lintlha mohlaleng bo fana ka maikutlo a hore maikutlo a susumetsang a bobeli le tšusumetso ea lithaka li kopana ho ama tekolo le ho hlahisa phetoho e ngata boits'ebetsong tseleng ena ho feta tšusumetso ea lithaka feela. Ka kakaretso, ama litlhahlobo le tšusumetso ea lithaka ho feta halofo ea phapang e teng tšebelisong ea koae, joala le matekoane. Tšusumetso ena e sa lekantsoeng le litlamorao ho lithethefatsi. Phuputsong ea ho se khone ho sebelisa mabanta a setulo ha bacha ba tsamaea ka makoloi. Dunlop le Romer (2009) e fumane hore halofo ea phapang ea boitšoaro bona e amana le tšusumetso ea tlhahlobo le tšusumetso ea lithaka. Maemong ana leha ho le joalo, tšusumetso ea lithaka e ne e le matla a itseng ho feta ho ama o le mong.

Seo re se fumaneng mabapi le litlamorao tsa ho ts'oaroa ha maikutlo a ho ts'oaroa ha bacha lilemong se fana ka maikutlo a hore hoa khoneha ho hlalosa ho phahama ha boitšoaro bo kotsi nakong ea bocha ho ea ka keketseho ea mofuta ona oa khatello. Ntle le moo, lits'ebetso tsa liqeto tse susumetsoang ke takatso ea maikutlo li tšoana le tse sebelisoang ke batho ba baholo. Ho joalo, ho ba le matla a ho ba le tšusumetso ho hloka hore motho a nahanisise hanyane ka hanyane 'me ho ne ho tla bonahala a fumaneha hore a ka e sebelisa qalong ea bocha haeba e se pejana. Kamora nako, maikutlo a ho batla ha a bonahale a na le bofokoli ba ts'ebetso ea botsamaisi joalokaha ho le joalo ka mefuta e meng ea ho hloka toka. Kahoo, ho na le bopaki bo fokolang ba ho fana ka maikutlo a hore kotsi e nkuoang e amanang le ho ts'oaroa ha maikutlo e bonts'a ho haelloa ke phetoho ea kelello ea PFC.

Na ho na le bopaki bo mabapi le sebopeho sa boko le ho beha kotsing ea batho ba lilemong tsa bocha?

Bopaki boo re bo hlahlobile bo fana ka maikutlo a hore ho nka kotsi ea bongoana ha se ntho e etsahalang hohle le hore liphapang tse amanang le bonyane mefuta e meraro ea boits'oaro bo tlasa bohlankana bo joalo. Ho feta moo, bonyane mefuta e 'meli ea ho se ts'oenyehe e amanang le ts'ebetso e fokolang ea botsamaisi joalokaha e lekiloe ka ho hopola mesebetsi le mesebetsi ea ho thibela karabo. Leha ho le joalo, ho batla maikutlo ha ho bonahale ho amana hantle le e 'ngoe ea mesebetsi ena e phahameng mme ho hlile ho ka amana ka tsela e itseng le bokhoni ba ho hopola. Leha ho le joalo, hape ke taba ea hore taolo ea kelello e utloisisitsoeng ka ho hopola mesebetsi le mesebetsi e thibelang likarabo e ntse e ntlafala nakong ea bohlankana.Bunge le Crone, 2009; Spear, 2009; Williams, Ponesse, Shachar, Logan, & Tannock, 1999). Na liphetoho tsee tsa maturational li ka bonts'a liphetoho tse teng sebopeho sa boko tse behelang taolo ea kelello ea mocha ho tseleng kotsi?

Ha ho na bopaki bo tobileng ba ho tšehetsa kamano pakeng tsa ho fetoha ha tlhaho mohopolong oa bongo nakong ea bocha le boits'oaro bo potlakileng. Sena se bakoa ke taba ea hore ho thata ho bona liphetoho tsa sebopeho sa boko tse ka bang le tšusumetso ho boits'oaro bo sa susumetseng. Joalokaha ho hlokometsoe ke Galvan et al., 2006:

Lithuto tse nchafatsang li ke ke tsa supa hantle mokhoa oa phetoho e joalo ea kholo (mohlala, pruning ea synaptic, myelination). Leha ho le joalo, liphetoho tsena tsa molumo le sebopeho li ka bonts'a ntlafatso le tlhophiso e ntle ea lipono tse tsoang libakeng tsena tsa boko (PFC le striatum) nakong ea kholo. Kahoo, tlhaloso ena e inahanela feela. (6885)

Lu le Sowell (2009) sekaseka se tsebahalang mabapi le kamano lipakeng tsa liphetoho lipakeng tsa sebopeho sa boko nakong ea nts'etsopele le ts'ebetso ho bokhoni ba kelello le ba koloi. Kakaretso ea bona ha e fane ka bopaki bo bongata ba tšusumetso ea hore moea o fokola oa cortical oa pruning o lebisang ts'ebetsong ea ntlafatso ea kelello. Mohlala, ho ts'oara IQ kamehla, Sowell le basebetsi mmoho (2004) o fumane hore ho fokola ha cortical ho tloha lilemong tsa 5 ho 11 ho ne ho amahanngoa le ntlafatso e kholo ea mantsoe, phello e neng e tla utloahala e tsamaisoa ke ho ithuta ho e-na le ho fetoha ha kelello kelellong. Phuputsong e lekolang liphetoho tsa boleng ba cortical ho tloha ho lilemo 7 ho 19 e le ts'ebetso ea maemo a fapaneng a IQ, Shaw le basebetsi-'moho (2006) o hlokometse hore batho ba nang le IQ e phahameng ba ile ba qala tšebetso ea ho fokola hamorao ho feta ba nang le IQ e tloaelehileng. Haeba tšupa-tlhoko ea cortical e thusa nts'etsopele ea bokhoni ba ho lemoha, motho o ne a tla lebella hore e etsahale pejana ho ba nang le IQ e phahameng. Qetellong, libakeng tse amanang le bokhoni ba puo (peri-Sylvan left hemisphere), cortical ho tenya ho fapana le ho fokotsa ho kopantsoe le nts'etsopele ea tsebo ea puo (Lu, Leonard, le Thompson, 2007). Kahoo, ho ruruha ha cortical ha ho supe tsoelo-pele ea bokhoni libakeng tsohle tsa cortex.

Mabapi le liphetoho litabeng tse tšoeu, Berns, Moore, & Capra (2009) e ile ea hlahloba kamano pakeng tsa myelination ho PFC le ho nka kotsi ea ho kena lilemong tsa bocha 12 ho 18. Kaha ba ne ba tšoere lilemo tse ngata, ba ile ba fumana hore tšekamelo ea ho beha bophelo ba bona kotsing e ne e le ka tsela e nepahetseng amanang le nts'etsopele ea litaba tse tšoeu. E lumellana le seo ba se fumaneng, DeBellis le basebetsi mmoho (2008) e fumane hore myelination ea corpus callosum e ne e hatetse pele haholo bocheng bo nang le mathata a joala ho feta ho laoleng bacha ntle le maemo a joalo. Kahoo, bopaki bo tšehetsang ho lieha ho lieha ha PFC e le sesosa sa boits'oaro bo bobe ho bocha ha bo fihlelle feela empa bo khahlano le se neng se ka lebelloa.

Ka ho akaretsa lipatlisiso tsena. Lu le Sowell (2009) o hlokometse hore:

Likamano lipakeng tsa morphological le boithuto bo botle ba 'mele, leha li ruta, li senola feela litloaelano' me li ke ke tsa hlakisa ho hlaka. Neuroscience e ntse e tlameha ho its'etleha lithutong tsa liphoofolo e sebelisang meralo e laoloang ho ithuta hore na boikoetliso ba morphological bo thusa ho fumana bokhoni kapa ho fumana tsebo ho khanna phetoho ea morphological. (19)

Bafuputsi ba bang ba lekile ho bona ho se tšoane ha tšebetso ea boko ha ba ntse ba etsa liqeto tse kotsi tse ka thusang ho tseba phapang e amanang le lilemo holima kholo ea bokong. Lithuto tsena li sebelisitse ho nahana ka matla a khoheli (fMRI) a batho ba fapaneng ka lilemo ho tloha bongoaneng ho ea ho batho ba baholo ha ba ntse ba etsa mesebetsi e fapaneng. Leha ho le joalo, liphetho mabapi le ts'ebetso e fapaneng ea ts'ebetso ea PFC ha li hlahise setšoantšo se hlakileng sa kamoo ts'ebetso ea PFC e amanang le ho etsa liqeto tse kotsi.

Tumellanong le likhopolo tse bontšang hore ho na le kotsi e kholo e nkang nakong ea bocha ho ea ho takatso ea maikutlo (Litho tsa et al., 2003), Galvan et al. (2006) fumane hore lilemong tsa bocha (lilemo tsa 13 ho ea 17) li bonts'itse ts'ebetso e kholo ea ts'ebetso ea li-nucleus tse bokellanang ho feta ba banyenyane (lilemo tsa 7 ho 11) kapa batho ba baholo (lilemo tsa 23 ho 29) ha ba lebelletse moputso. Leha ho le joalo, bacha ba ne ba sa fapana le batho ba baholo ka tekanyo e ts'oanang mabapi le ts'ebetso ea orbital frontal cortex (OFC), sebaka se potolohileng sa PFC. Bana ba bontšitse karabelo e matla ho feta bacha kapa batho ba baholo. Liphetho tsena li ne li batla li le thata ho li fetolela, leha ho le joalo, li fuoe tšebeliso ea tefo ea moputso e ka arohanang habonolo le boleng ba nyakallo e le ts'ebetso ea lilemo (setšoantšo sa pirate e ntle lipapaling tse fapaneng).

Thutong e felletseng ea ts'ebetso ea ts'ebetso ea boko, Eshel, Nelson, Blair, Pine, & Ernst (2007) e ile ea hlahloba likarolo tse fapaneng tsa boko pele ho nako ea lilemong tsa bocha (ho tloha ho 9 ho isa 17) le ba banyenyane ho batho ba baholo ba lilemo (20 ho 40) ha ba ntse ba etsa liqeto lipakeng tsa likhetho tse neng li fapana ka kotsi. Papiso e bohloko e ne e le lipakeng tsa likhetho tse neng li na le menyetla e mengata ea moputso bakeng sa liphetho tse nyane tsa chelete ha li bapisoa le tse neng li na le menyetla e tlase ea moputso bakeng sa liphetho tse kholo. Ka qeto e khahlisang ea moralo, bafuputsi ha baa boloka boleng bo lebelletsoeng ba mefuta e 'meli ea likhetho bo sa khaotse. Ho khetha mofuta o mong o kotsi ho ne ho lula ho le kotsi ha ho bapisoa le mofuta o mong o neng o se kotsi. Ba fumane hore batho ba baholo ba kenya tšebetsong OFC ka matla ho feta ba banyenyane ha ba khetha khetho e kotsi. Patlo ena e nkuoe e le bopaki ba ts'ebetso e kholo ea ts'ebetso ea PFC ho batho ba baholo. Tlhaloso e 'ngoe ke hore batho ba tsofetseng ba bonts'a ts'ebetso e kholo ea PFC ho feta ba banyenyane ha ba etsa liqeto tse sa eletsoang hampe. Ho hlakile hore thuto ena ha e netefatse taolo e ka pele ho batho ba baholo.

Thutong ea morao-rao ea lithuto tsena le tse ling tse 'maloa tse sebelisang fMRI ho bona phapang ea ts'ebetso ea boko ho lihlopha tsohle tsa lilemo, Ernst le Hardin (2009) o hlokometse hore:

Morero oa ho hlakola tšitiso ea kholo ea kholo ea maiketsetso e eketsa ho rarahana ha lipatlisiso tsena mme e hloka hore mehlala ea maikutlo e rute maikutlo le ho tataisa nts'etsopele ea litekanyetso tsa liteko bakeng sa mokhoa o bohlale oa bohato. (69-70)

Ho tšoenyeha ka hypotheses e hatellang ho bohlokoa haholo ha ho bapisoa le lilemo tse fapaneng tse sa fapaneng feela kholisong ea boko empa le boiphihlelo. Fuoa matšoenyeho a hlahisitsoeng ke Lu le Sowell (2009), ho ka bonahala ho le thata ho nyahlatsa litlamorao tsa boiphihlelo bo mabapi le sebopeho sa boko ho tsoa ho morphology e sa itšetleheng ka ho ithuta.

Mokhoa o mong o khothalletsoang ke Bunge le Crone (2009) ke ho pepesetsa bacha lilemong tsa boikoetliso ba kelello. Haeba thupelo e nepahetseng e ka hlahisa liqeto tse nepahetseng ho bacha, e ka hanyetsana le maikutlo a tlisoang ke ho holofala, a ka bolelang hore thupelo e ka ba e sa lekanang ho sa be le kholo e lekaneng ea kelello. Hobane lipatlisiso mabapi le litlamorao tsa boiphihlelo li tla eketsa kutloisiso ea rona ea karolo ea boithuto ba morphological le boiphihlelo, ke ho lipatlisiso tseo re seng re li fetohela.

Bopaki ba litlamorao tsa boiphihlelo mabapi le ho susumetsa

Ka lebaka la likhakanyo tse matla haholo tse ipapisitseng le meeli ea ho fetoha ha mmele bokong nakong ea bocha, hoa thahasellisa ho tseba hore na boiphihlelo bo ka hlola meeli e joalo. Haholo-holo, ha re fuoa karolo ea bohlokoa eo tlhotlollo e e etsang ho ipeheng kotsing ea ho kena bohlankaneng, na ho na le bopaki ba hore boiphihlelo bo ka fetola mofuta o mong le o mong oa ho ho hloka? Mona ke bopaki bo hlakileng: Ho na le mehlala e mengata ea ts'ebetso e ka fetolang ts'ebetso ea ts'ebetso ea ts'ebetso ea ts'usumetso ea hore ho se ts'oanehe le ho nka kotsi e amanang. Ha re lekola likamano tsena, ho ka ba molemo ho khetholla lipakeng tsa bongoana le tse atlehileng kamora nako ea bohlankana. Ho kena lipakeng tsa bongoana ho lokela ho thusa ho thibela mefuta ea pele ea bohlasoa e tsoelang pele bocha haeba e tloheloa e sa phekoloe. Ho kena lipakeng tsa bongoana ho lokela ho loantša ho phahama ha maikutlo a ho batla le mekhoa e meng e ka 'nang ea hlaha e hlaha lilemong tse leshome tsa bophelo.

Ho kenella pele

Ho na le mefuta e 'meli ea ho kenella pele ho nako e lekiloeng ka katleho. E 'ngoe e kenyelletsa ho kena lipakeng le batsoali ba kotsing ea ho hlekefetsa bana ba bona' me ka tsela eo ba thibele liphello tse bohloko tsa kalafo e joalo ho bana. E 'ngoe ke ho kenella hamorao le malapa le bana ebang hammoho kapa feela le bana maemong a sekolo.

Tsela e 'ngoe e atlehileng ka ho fetisisa ea ho kena lipakeng le batsoali ke lenaneo la ketelo ea baoki le entsoeng ke David Olds le basebetsi-'moho (1998). Lenaneo lena le kenyelletsa ho etela motsoali ea lebelletseng pele a hlaha le ho mo fa koetliso ea ho sebetsana le khatello ea maikutlo e ka lebisang molemong oa ngoana oa bohloka. Joalokaha ho lebelletsoe ke lipatlisiso tse akarelelitsoeng ka holimo, batsoali ba nang le khatello ea maikutlo ba ka fetisetsa phihlelo ena ho bana ba bona ka mokhoa oa ho hlokomela tlhokomelo e nyane. Phekolo ena e ka baka nts'etsopele ea kelello e sa lokeleheng ho bana, ea lebisa ho feto-fetohang hantle ha sekolo le hamorao bohlolong. Leha ho le joalo, tšehetso ea botsoali nakong ea ketelo le batsoali ba kotsing e kholo e ba thusa ho sebetsana ka katleho le khatello ea maikutlo le ho fokotsa tloaelo ea ho fetisetsa maikutlo ho bana. Liteko tsa lenaneo li bonts'a hore bana ba sebetsa hantle sekolong mme ba na le matšoao a fokolang a kelello, ho kenyelletsa le litheko tse tlase tsa boitšoaro. Ntle le moo, batsoali ba bontša boits'oaro bo phetseng hantle ha bana ba bona ba kena lilemong tsa bocha (Izzo, Eckenrode, Smith, Henderson, Cole, Kitzman, et al., 2005). Lenaneo lena le reretsoe ts'ehetso ea federal e fuoeng katleho ea eona ea ho thibela sephetho se sebe sa bana le ho fokotsa litšenyehelo tsa morao-rao sekolong, ho kenngoa chankaneng le tšehetso ea boiketlo.

Ntle le ho kenella le batsoali qalong ea bophelo ba ngoana, ho na le bopaki bo ntseng bo hola ba hore mefuta e meng ea koetliso ea pele e ka ba le litlamorao tsa boitšoaro, haholoholo liphellong tsa thuto le mefuta e fapaneng ea boits'oaro ba kantle. Mohlala, litlhahlobo tsa mananeo a matla a likonyanaReynolds & Temple, 2008), joalo ka projeke ea Sekolo se Phahameng / Scope Perry Preschool le Lenaneo la Ts'oaetso ea Batsoali BaChicago li bonts'a hore ho kenella ho joalo ho ntlafatsa ts'ebetso ea sekolo, ho boloka bana ba kena sekolo, le ho fokotsa boits'oaro ba bothata ba bohlankana bo behang kotsing ea ho kenngoa chankaneng. Mananeo ana a bonahala a ama bokhoni ba boits'oaro le boits'oaro, joalo ka ho phehella ho feta tekano le boitaolo tse amanang le ho se tsitsinyehe.

Phuputsong e sa tsoa etsoa ke Diamond le basebetsi-mmoho (Diamond, Barnett, Thomas, le Munro, 2007), bafuputsi ba ile ba khona ho koetlisa litsebo ho tsa pele ho tsa tlhaho tse amang mesebetsi e phahameng tse amanang haholo le ts'ebetso ea thuto le ho baka mathata, joalo ka ADHD le mathata a boits'oaro. Tsebo tsena li fumanoe li amana le mesebetsi e fapaneng ea PFC e laoloang ke boitšoaro bo tlase, joalo ka bokhoni ba ho sebetsa mehopolong mohopolong oa ho sebetsa le ho fokotsa tšitiso ho ba sitisang.

Liphuputso tse ling le bana lilemong tsa mathomo li bontša hore ho ka koetlisoa maano a taolo ea tšusumetso e ntlafatsang ts'ebetso ea phethahatso le ho fokotsa ho se ts'oanehe (Barry, & Welsh, 2007; Riggs, Greenberg, Kusche, & Pentz, 2006). Lenaneo le le leng le nang le data ea ho latela nako e telele ke papali e ntle ea boits'oaro (Petras, Kellam, Brown, Muthen, Ialongo, & Poduska, 2008). Kellam le basebetsi mmoho ba ile ba leka lenaneo lena ka litlelase tsa maemo a tlase tsa pele le tsa bobeli moo baruti ba koetliselitsoeng ho fana ka khothatso ea boitšoaro bo botle ho litlelase tsohle. Meputso e ile ea fanoa ka mokhoa o ts'oanang ho fokotsa boitšoaro bo sitisang, ho eketsa ts'ebelisano, le ho ntlafatsa tlhokomelo ea mosebetsi oa sekolo. Lintlha tsa ho latela morao-rao ha li le lilemo 19 ho 21 li bontšitse litlamorao tsa nako e telele ho ba bonts'itseng litekanyetso tse phahameng haholo tsa boitšoaro bo mabifi le bo sa laoleheng pele ho kenella. Haholo-holo, litheko tsa khahlano le botho bo khahlano le botho li lula li le tlase kotsing e kholo ea bacha nakong e tlang.

Hape ha rea ​​lokela ho lebala hore meriana e fumanoe e thusa haholo ho fokotsa matšoao a susumetsang ho bana ba nang le ADHD. Klingberg (2009) e fana ka maikutlo a hore litekanyetso tse leka-lekaneng tsa li-stimulants li ka ntlafatsa ts'ebetso ea botsamaisi ka kakaretso le ho hopola lintlha ka ho khetheha ho bana ba nang le bothata ba ADHD mme ka tsela eo ba ntlafatsa ts'ebetso ea bona ea thuto. Ho na le bopaki le hore ts'ebeliso ea meriana ena e ka fokotsa monyetla oa tšebeliso ea lithethefatsi nakong ea bohlankana (Wilens, Faraone, Biederman, & Gunawardene, 2003). Klingberg le basebetsi-mmoho (2005) hape ba thehile protocol bakeng sa bana ba nang le ADHD e ka ntlafatsang mohopolo oa ho sebetsa le ho fokotsa matšoao a ADHD a sebelisa koetliso e thehiloeng ho khomphutha. Malapeng le basebetsi-mmoho (Rueda, Rothbart, McCandliss, Saccamanno, & Posner, 2005) ba hlahisitse le ho leka maano a tšoanang le a bana ba nang le mathata a tlhokomelo.

Ka kakaretso, lipatlisiso mabapi le ho kenella pele ho nako li bonts'a hore thupelo e matla e shebaneng le ts'ebetso ea botsamaisi le boits'oaro ba ho itaola e ka fokotsa litšekamelo tse ka sitisang ts'ebetso sekolong mme ea lebisa liphellong tse mpe botsikeng. Maano ana a ne a ka se atlehe haeba lits'ebetso tsa ho feto-fetoha ha boko nakong ea bocha li ne li thibela tloaelo e atlehileng ea ho eketseha ha maikutlo a ho ts'oasa kapa maikutlo a mang a ho beha kotsing.

Ho kenella hamorao

Meeli ea sebaka e thibela tlhahlobo e qaqileng ea mehato ea ho kena lilemong tsa bocha. Leha ho le joalo, ho na le bopaki bo bongata ba hore bacha ba ka ithuta ho qoba boits'oaro bo bobe, haholo haeba ba fuoa tlhaiso-leseling e amanang le tšusumetso e mpe mekhoeng eo. Mohlala, ts'ebetso e batsi ea ts'ebeliso ea lithethefatsi ho tloha ka 1974 ho Monitoring the Future Study e supa hore e 'ngoe ea litlhahiso tsa tšebeliso ea lithethefatsi ka bomong le ka kakaretso ke maikutlo a hore lithethefatsi li kotsi bophelong ba motho (Bachman, Johnston, & O'Malley, 1998). Mats'oao a mecha ea litaba ha a atlehe ho fetisa litaba tsena ka nepo. Mohlala, lipuisano tse ling tse tšehelitsoeng ke mmuso li fetisitse molaetsa ba sa tsebe hore bacha ba bangata ba sebelisa lithethefatsi, molaetsa o ka eketsang pono ea hore lithaka li fumana lithethefatsi li thabisa (Fishbein, Hall-Jamieson, Zimmer, von Haeften, le Nabi, 2002; Hornik, Jacobsohn, Orwin, Piesse, le Kalton, 2008). Joalokaha ho boletsoe ka holimo, maikutlo a joalo a ka ntlafatsa karabelo e ntle mabapi le ts'ebeliso ea lithethefatsi.

Mohlala o motle oa leano le ka thusang ho thibela sephetho se sebe ha o etsa boits'oaro ba lenane-thuto ke lenaneong la bakhanni ba koetlisitsoeng le amohetsoeng ke linaha tse ngata tsa US Leano lena le thehiloe khopolong ea hore ho khanna ke boitšoaro bo rarahaneng bo nkang boiphihlelo ho monghali. Joalokaha re bona ho Setšoantšo sa 7, bakhanni ba lilemong tsa bocha ba ba le phokotso e kholo ea likotsi kamora ho khanna hoo e ka bang li-mile tsa 1000 (likhoeli tse tšeletseng ka kakaretso) (McCartt, Shabanova, & Leaf, 2003). Haeba boithuto bo joalo ba ho ithuta pele bo ka fihlelleha tlasa maemo a behiloeng kotsing e tlase, bo ka fokotsa menyetla ea sephetho se seng se kotsi ho fihlela ho fihlela taolo e kholo mabapi le boits'oaro e fihletsoe. Leano la ho fuoa mangolo a tumello le amohetsoe ke linaha tse ngata. Ts'ebetsong ena, bacha ha ba fuoe laesense e felletseng ho fihlela ba fetile nako ea teko eo ba ke keng ba khanna bosiu mme ba tlameha ho khanna le motho e moholo. Bopaki ba katleho ea leano lena bo bonts'a hore e fokotsa litheko tsa likotsi le likotsi tse mpe mme e etsa joalo ka tsela e arabelang palo ea lithibelo tse behiloeng seterekeng (Morrissey, Grabowski, Dee, & Campbell, 2006).

Setšoantšo sa 7  

Ts'ebetso ea likotsi tsa likoloi tse tlalehiloeng har'a bakhanni ba lilemong tsa bocha e le ts'ebetso ea li-mile e bonts'a hore likotsi li theoha haholo kamora ho ba le boiphihlelo ba li-mile tsa 1000 tsa boiphihlelo ba koloi (e hatisitsoeng hape ka tumello e tsoang ho McCartt et al., 2003).

Phuputsong ea morao-rao ea litlamorao tsa maikutlo a ho batla nakong ea lilemo tsa bocha le tsa batho ba baholo (14 ho 22), 'na le basebetsi-mmoho le nna re fumane hore boiphihlelo ba ho ipeha kotsing bo lebisa phokotsong ea ho hloka mamello joalo ka ha ho hlahlojoa ka mosebetsi oa ho fokotsa litšenyehelo (Romer et al., 2010). Boikutlo bo phahameng ba ho batla bacha ba sebelisang lithethefatsi ho feta bacha ba bang ba bonts'a ho felloa ke mamello ha ba ntse ba tsofala. Phokotso ena e tsoela pele ho sebelisa lithethefatsi tse tlase. Bacha ba bang ha ba tloaetse ho bontša liphetoho lithutong tsa bocha. Phumano ena e fana ka maikutlo a hore boiphihlelo bo fumanoeng ho tsoa ho ho ipeha kotsing e ngata bo etsa hore batho ba batlang maikutlo a phahameng ba be le mamello e kholo, e leng ntho e fokotsang ho ipeha kotsing. Patlisiso le mocha ea nang le boitšoaro bo hlephileng le eona e fana ka maikutlo a hore ho hloka mamello ho fokotseha haholo ho bacha ba joalo ho feta ho ba bang (Turner & Piquero, 2002). Kahoo, leha ho na le kotsi e kholo eo ba e batlang, bacha ba nang le maikutlo a phahameng ba ka ithuta ho tsoa liphellong tsa boitsoaro ba bona mme ba qetella ba se na mamello ho feta lithaka tsa bona tse seng kotsing. Phephetso bakeng sa lipatlisiso tsa nako e tlang tsa phetolelo ke ho tseba mehato e ka fanang ka boiphihlelo boo bacha ba lokelang ho bo fetisetsa ho ba batho ba baholo ha ba ntse ba ba sirelletsa litlamorao tse ka behang bophelo ba bona ba nako e telele le nts'etsopele.

Joalokaha ho boletsoe ka Spear (2009),

Liphihlelo tse etsahalang nakong ea bocha li ka thusa ho ntlafatsa tsela eo boko bo holang ka eona ka tsela e lumellanang le liphihlelo tseo. Ho ipapisitse le mofuta oa liphihlelo tseo, nako ea tsona, le litlamorao tsa eona, ts'ebetso ena ea kelello e ka nkoang e le monyetla, hape le ts'oaetso. (308).

Patlisiso ea nako e tlang e lokela ho thusa ho hlakola litlamorao tse amanang le boiphihlelo le boiphihlelo ba mmele ba bokong. Joalokaha ho hlokometsoe pejana, lithuto tse hlahlobang ho ntlafatsoa ha sebopeho sa boko le ts'ebetso hammoho le mananeo a koetliso a ntlafatsang bokhoni ba taolo ea boits'oaro (mohlala, mohopolo oa ho sebetsa) a tlameha ho tseba karolo ea boiphihlelo maemong a fapaneng a thuto ea methapo. Patlisiso ena e lokela ho thusa ho nts'etsapele boikoetliso bo ka fang bacha lilemong ba nang le boiphihlelo boo ba bo batlang ha ka nako e tšoanang ba fokotsa likotsi tseo ba kopanang le tsona ha ba tloheletsoe lisebelisoa tsa bona.

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