Zvinhu Zviverengeka Zvikonzero Chikonzero Chinodhaka Chavarume Vanonwa Doro
Kunyangwe ichokwadi kuti kusingaperi kushandiswa kwezvinodhaka kunokonzera kukanganisa kwakakosha kweuropi, zvizhinji zvekuvhiringidza kunogona kuderedzwa nekurega uye doro zvinogona kuwana nguva refu kwenguva refu pasinei nekukanganisa mukugadzirisa zvisarudzo.
Ongororo dzakawanda dzekutsvakurudza dzakawana kuti ubongo hwevanhu vane dambudziko rakawandisa hwekushandisa doro zvakanyanya uye hupenya kupfuura ubongo hwevanhu vasiri doro.
Uropi hwewadhakwa hu "shrunken" hunofananidzwa nehurumende dzisina uroco.
Uropi hunochinja hunoita "wiring" yeuropi iyo inoshandiswa nenharaunda dzeuropi kuti ikurukure nedzimwe nzvimbo uye inokanganisa zvikamu zveuropi zvinobvumira neurons kutaura nevanopoteredza neurons.
Dambudziko Rakaoma reBongo rinopera
Iyo gorozi doro reuropi mu cerebral cortex rinodzora huzhinji hwehutano hwakaoma hutano hwemabasa. Irotex yakazara neuroni inosangana nehuturu kune dzimwe nzvimbo dzouropi uye kune dzimwe nyuroni mukati meuropi nemutsipa wesipinha. Mishonga yehutano ndiyo nyaya chena yeuropi kana "yakaoma-wiring."
Izvi zvinosuruvara zvine zviduku zvakanyanya, zvakawanda zvinonzi dendrites zvinobuda semidzi yemuti kuti zvibvumirane "nekutaura" nemamwe neuroni. A neuron inogona kutaurirana sevashomanana sevashanu kana vakawanda sevamwe vaoni 10 000 panguva imwe.
Izvozvi zvikamu zviviri zveuropi - nyaya yakachena kana zvakaoma wiring uye dendrites - ndiyo iyo inobatwa zvikuru ne shrinkage iyo inodhaka inogona kukonzera.
Zvechokwadi, uropi shrinkage haisi iyo chete inokuvadza kunwa doro zvinogona kuita kuuropi. Doro inogona kukonzera kemikari kuchinja muuropi iyo inobata basa revanosangana neurotransmitters.
Doro Rinokonzera Zvinetso Zvakakomba Zvinetso muBongo
Ongororo dzakawanda dzekutsvakurudza, nemhuka uye nenyaya dzevanhu, dzinoratidza kuti kusadya doro kusingaperi kunounza huwandu hunopisa, hwemagetsi uye hwekudya hunobatanidza kukonzera kukanganisa mupfungwa mune doro.
Zvimwe zvezvinhu izvi zvakaoma zvisati zvichinyatsonzwisiswa:
- Acetaldehyde, metabolite doro, inogona kukonzera kuipa.
- Kusagadzikana kwezvokudya, kunyanya kushaya uroamine, kunogona kuita basa.
- Chirwere chechiropa chinogona kukonzera kukanganisa kwehupi.
- Kuora musoro kwepamusoro uye kupererwa kwemahope kunogona kuita kuti uropi hukuvara.
Kukuvara kumusoro uye kuputika kwepabonde zvinowanzoonekwa mune zvinodhakwa uye zvinogona kuwedzera kuhutano hwehupi. Uyewo, doro, kushaya thiamine, uye kubudiswa kwechirwere kunobatanidza uye vamwe vatsvakurudzi vanotenda kuti vanobatsira nenzira yakakomba kune uropi hukuvara.
Kukuvadza kweAini Kunogona Kugara Nokusingaperi uye Nguva Dzose
Zvakawanda zvinokonzerwa neuropi nedoro zvinogona kuchinjwa kana munhu akarega kunwa uye ane nguva yekurega, asi zvimwe zvacho zvinogara zvachose uye hazvigoni kuregwa.
Chinhu chinonyanya kukosha chisingaperi chinokonzerwa nedoro ndechekushaya masero cell loss. Dzimwe dzisingamboiti masero hazvigoni kuchinjwa kana dzikarashika, uye izvi zvinosanganisira avo vari pamberi pekortex, cerebellum, nedzimwe nzvimbo dziri mukati mukati meuropi, maererano nekutsvakurudza.
Zvisinei, zvizhinji zvekuvhiringidza doro zvinokonzera shrinkage zvinogona kushandurwa nekudzivisa. Izvo zvinosanganisira shrinkage ye dendrites, izvo zvidzidzo zvakaratidza zvichazotanga kukurazve uye kupararira mushure mevhiki kana mwedzi yekurega. Izvi zvakabatanidzwa kune huropi hunovandudzwa.
Kana chirwere chechiropa chinoshandiswa, tsvakurudzo inoratidza kuti zvimwe huro hwehupombwe hunogona kukonzera huchatanga kuchinja. Kuparara kwehupombwe mune zvinodhaka zvakakonzerwa nokushayikwa kwewa thiamine zvinogona nyore kurapwa nemaitiro e thiamine, asi kukanganisa kudarika kunogona kukonzera kukanganisa kusingaperi.
Doro Rinokanganisa Kuita Zvisarudzo
Chimwe chikonzero chokuti vakadhakwa vakanyanyogadzikana kudzoka zvakare kukanganisa kunwa doro kunokonzera mupiro wemubairo wehurongwa nekugadzirisa maitiro.
Kutsvakurudza kunoratidza kuti kusagadzikana kwechidharo chemakemikari kunoshandura hutano hwehuropi hunosvika pakuguma kwekutsvaga mubairo kwekupa mubairo .
Kana izvi zvikaitika munhu anonwa ndiye anonyanya kugadziriswa nemigumisiro pfupi pane kunonoka mitezo, uye zvechokwadi, kuvhiringidza zvinhu zvakadai sewaini zvinopa mishonga inoparadza.
Nguva refu-doro doro rinoshandiswa rinokanganisa kushanda kwepamberi kwehurohu hunosanganisira kuvhara, kusarudza kwekuita, kugadzirisa matambudziko, uye kutonga. Izvozvo zvinokanganisa uropi zvinoita kuti zvive zvakaoma kune vakadhakwa kuti varambe vakachengetedza kwenguva refu .
Zvisinei, tsvakurudzo yakawana kuti doro rinogona uye rinokunda kuora uku, sezvo kukanganisa kwehupenzi hwavo kunotanga kushanduka, uye vanogona kubudirira kwenguva yakareba, nguva yakawanda yemakore pavanokurudzirwa kuita saizvozvo.
Sources:
Bartsch, AJ, et al. "Kuratidzirwa kwehutano hwehutano hwakatanga kunobatanidza nekudzivisa kunwa doro." Ubongo December 2006
Harper, C, et al. "Pathophysiology ye 'Brain Shrinkage' muAlcoholics - Maitiro eChirongwa uye Masero uye Majekiseni." Kunwa doro: Kuongorora uye Kuongorora Ongororo May 2006
Siggins, GR, et al. "Ethanol Augments GABAergic Transmission muCentral Amygdala neRRF1 Receptors." Sayenzi March 5, 2004