Oct 27, 2015 04: 35 PM Wolemba Susan Scutti
Insulin imayang'anira kutulutsidwa kwa dopamine, neurotransmitter mu mphoto ya ubongo ndi malo osangalatsa: kuphunzira. Thomas Abbs, CC wolemba 2.0
Insulin ndi mahomoni omwe amalamulira kuchuluka kwa shuga m'magazi ndipo amakuthandizani kuti muzimva kuti mwatha. A kuphunzira nyama zatsopano imawululira gawo lomwe silinadziwike kale la insulin: kuwongolera kutulutsidwa kwa dopamine, neurotransmitter mu mphotho ya ubongo ndi malo osangalatsa.
"Zotsatira zathu zikutanthauza kuti insulini ikhoza kukhala chiphaso, kuwonjezera pa ntchito yake yodziwitsira kukwiya," adaliza ofufuza a NYU Langone Medical Center.
Pakakhala insulin yochulukirapo mu ubongo, ofufuzawo akuti, dopamine yambiri idzamasulidwa, mwakutero imakulitsa chisangalalo. Kwa iwo omwe amakonda kudya, phunziroli lingathandize kufotokozera zamtundu wazakudya zopatsa thanzi kwambiri. Samangoyendetsa mwachangu “shuga”, komanso mwina “mphotho” yothamangira, komanso.
Dopamine
Dopamine ndi neurotransmitter, yomwe ndi mankhwala ofunika kulumikizana pakati pa ma neurons mu ubongo, a Psychology Today nkhaniyo ikufotokoza. Mwanjira, dopamine amatipanga ndikufuna. Pakalipano mu zigawo zaubongo zomwe zimakhudzidwa ndi kutengeka, chisangalalo, chisangalalo, komanso mayendedwe, zimatumiza ziwonetsero kudzera mu njira ya mphotho yaubongo wathu poyankha machitidwe achilengedwe omwe amaphatikizidwa ndi kupulumuka, kuphatikizapo kugonana ndi kudya. Pomwe zimadziwika kuti zakudya zina, monga mapuloteni, zimayambitsa kutulutsa pang'ono kwa dopamine, zakudya zina, monga shuga, zimapangitsa kuti neurotransmitter isinthe.
Phunziroli, tsopano, linayamba kufufuza momwe insulin ingathandizire kuchita izi. Ndipo kotero Dr. Margaret Rice ndi Dr. Kenneth Carr, ofufuza akuluakulu, komanso gulu la ofufuza adayesera zingapo pa makoswe.
Poyesa kumodzi, Rice, katswiri wazamisala, ndi Carr, wamisala, komanso anzawo adalemba kuchuluka kwa 20 ku 55 peresenti ikuwonjezeka mu dopamine yomwe idatulutsidwa mdera la ubongo wamakutu. Kukula kumeneku kunachitika panthawi yomweyi insulin ntchito inakula. Chofunikira, kupatsidwa chisankho pakati pa chakumwa chomwe chimayambitsa ma insulin (ndikuwonjezera dopamine) kapena imodzi yomwe sichinatero, makoswe mosalekeza amasankha chakumwa chomwe chimapereka dopamine mwachangu.
Mu kuyesa kwina, gulu lofufuzira lidapeza makoswe omwe amadya zakudya zochepa zama calorie anali ndi 10-nthawi yayitali kwambiri pakukwera kwama insulin m'mitsempha mwawo kuposa makoswe omwe amadya chakudya chokhazikika. Chifukwa chake, ndi gawo limodzi mwa magawo khumi okha mwa insulin yomwe ndi yofunikira kudya yomwe ndiyenera kudya mokhazikika. Mosiyana ndi izi, makoswe omwe amadya chakudya chamagulu ambiri amakhala atalephera kuyamwa insulin.
Zomwe zafotokozedwazo, kuyesaku kukuwonetsa gawo lomwe silinawonekere la insulin monga gawo la njira yolipira ubongo. Kuyesaku kunanenanso zaubongo wa makoko omwe amadyetsedwa mosayenera pamapeto pake amalephera kuyankha mwachilengedwe ku chakudya komanso insulini yomwe imayambitsa. Zikuwoneka kuti popita nthawi, makoko awa sanamvepo mphotho.
Mwachilengedwe, zomwezo zingakhale choncho ndi anthu. Ochulukitsa kuchuluka kwa insulini komanso kutsitsa chidwi cha insulin muubongo kumalumikizidwa kwambiri ndi kunenepa kwambiri, ofufuzawo adatero. Kuthamanga kwa dopamine (kapena kusowa kwa imodzi) kungakhale chifukwa ambiri aife tikudya mopambanitsa, makamaka kuyesera zomwe tingathe kuti tibwezeretsedwe kwambiri.
Source: Stouffer MA, Woods CA, Patel JC, et al. Insulin imathandizira kumasulidwa kwa driatal dopamine ndikuyambitsa ma intaneti a cholinergic ndipo potero amalandira mphotho. Chiyanjano chachilengedwe. 2015.