Circadian Rhythm Inosarudza Nguva Yokurara Uye Yakamuka
Kana mumwe munhu achitaura zvisingatauri nezve "maawa" avo, zvinorevei chaizvoizvo? Dzidza nezvekushandiswa kwemashoko ekurapa maawa muhutano hwekubereka nekurara. Tsvaga kuti maawa ekugadzirwa kwemuviri anogara kupi, kuti anoronga sei circadian maitiro sekurara uye kumuka, uye kuti kuvhiringidzika kunoguma sei kana nguva yemaawa ichishandurwa nenzira dzakasikwa dzechiedza nerima.
Chii Chinonzi Clock Clock?
Chokutanga, zvakakosha kuziva kuti izwi rokuti bio clock rinoshandiswa mukutsanangura mazano maviri akasiyana. Vanhu vazhinji, kunyanya vakadzi, vanoshandisa mutsara kurondedzera makore anowedzera ehutano hwakanaka hwekubereka. Somuenzaniso, kana nguva yevakadzi yehupenyu inofungidzira, zvinoreva kuti ari kuve akwegura uye kukwanisa kwake kubata uye kutakura mwana ane utano kusvika kune imwe nguva inogona kunge iri kuderera. Inogona kurondedzera chido chakajeka chokuva nemwana uye, kana chikafu, chinonzwisiswa sechisimba chekubereka. Nenzira yakawanda, hutano hwekuberekwa hunoratidzika sehuchidonhera mumakore makumi matatu nemakumi matatu uye hunofananidzwa nemakore makumi mana, asi kufambira mberi mukurapa kwekubereka kwakawedzera nguva iyi pane imwe nzvimbo. Nemhaka yekugona kwevarume kubereka vana kusvika pakuva vanhu vakuru, vangave vasina kutarisana nenguva imwechete kukumanikidza.
Iyi haisi iyo iyo izwi rinoshandiswa sei mumamiriro ekurapa kwekurara, zvakadaro.
Pane kudaro, maawa ezvoupenyu anoreva kukwanisa kwemuviri kukwanisa kuita zvinhu zvisina kufanira kumamiriro ekunze, kunyanya nguva yeku chiedza uye rima, kutonhora, uye kugona kushandiswa. Kurara kunofungidzirwa kuti kwakanyatsogadziriswa nemaitiro maviri: homeostatic sleep drive uye circadian kujekesa chiratidzo.
Kurara motokari, kana chikwereti chehope, zvinoreva kuti kana iwe uchingoramba wakamuka, iwe unenge uine. Izvi zvine chokuita nekuvakwa kwemakemikari ekurara, kusanganisira adenosine , mukati meuropi. Kurara, pane zvishoma, nzira yekubvisa makemikari aya kubva muuropi maviri. Chiratidzo chekuzivisa chiratidzo chinopesana kurara motokari inokurudzira kumuka nenzira yakawanda.
Nokudaro, nguva yehupenyu ndiyo nzira inowanikwa mukati mehupenyu huri kuronga nguva yehupenyu hwemagariro nemafambiro kune husiku hweusiku husiku. Izvi zvinosanganisira kurara uye kumuka, pamwe nekudzora kutonhora kwemuviri uye hormone kubudiswa. Tiri kutanga kudzidza zvakawanda pamusoro pekuti awa iripo uye kuti inotungamirirwa sei.
Ndekupi Chikoro Chechipiri?
Tenzi maawa inzvimbo inonzi nucleus suprachiasmatic , nzvimbo duku yeuropi yakawanikwa mukati me anterior hypothalamus . Inoshandisa hormonal control kumativi ose emakiromita akave akarondedzerwa mumapoka akawanda emasero, kusanganisira zvose kubva pamwoyo kusvika kuchiropa kusvika kumafuta matema. Kugadziriswa kwemitambo iyi kunofanirwa kubvumira kushandiswa kwakakwana kwezvigadzirwa, kuwanika kwekudya, nekuchengetedzwa kubva kune zvikara zvinokonzera mhuka.
Kunyange zvazvo hovha huru iripo, kana ikaparadzwa kana kuti yakarasikirwa, sero rimwe nerimwe rinokwanisa kuchengeta rhythm. Izvozvi, kana ikaiswa muga woga, aya masero anokwanisa kutevera circadian - kana kuti pedyo neawa 24-pattern yose pachavo. Nokudaro, yakanyatsogadziriswa nguva inoshandiswa inowanikwa munenge masero ose emuviri uye inonyatsonyorwa muchitokisi chekodeti.
Broken Clocks: Kuitika kweCycadian Disorders
Munzira dzakawanda, dzakasiyana-siyana circadian rhythm zvinetso zvinogona kuitika nekuda kweawai biologic iyo yakarasikirwa nemashiripiti yavo kune zvakasikwa. Izvi zvinogona kuva nekuda kwezvinhu zvakawanda, kusanganisira genetics, kupofumadza , mararamiro kana tsika, uye zvirwere zvinoderedza sechirwere cheAlzheimer.
Zvakawanda zvezviitiko izvi zvinokonzera zvinetso nekushaya hope uye kurara kwenguva yakareba.
Chimwe chezvinhu zvakasimba zvakanyanya zvenyama yemuviri wehupenyu ndiyo kuve nyore. Zvinonyanya kukosha, chiedza chemangwanani chinogona kuve nekugadzirisa zvakanyanya kwemaitiro edu chaiwo ekuchinja nguva yekurara kwedu gare gare. Somugumisiro, inokurudzira kumuka mangwanani uye inobatsira kukwanisa kwedu kurara pakutanga kwehope nguva. Kunyange zvazvo nguva huru yemangwanani chiedza chingave chakakosha kune vamwe, kunyange nguva pfupi yemaminitsi gumi nemashanu kunze kwekumuka kunogona kukwana kusimbisa nguva yenguva yekurara nekumuka.
Kana iwe uchidavira kuti iwe unogona kunge une zviratidzo zvinoratidza kufungidzika kwechirwere chinonzi disorder, taura nehope wechirwere. Mavhiki mashomanana ekuongororwa nehogi yehope kana kuti actigraphy inogona kuziva kuti chii chinetso chacho, kusanganisira kusagadzikana kweawa yako yehupenyu, uye kutungamirira kune kurapwa kunodiwa kurara zvakanaka usiku uye kushanda zvakakwana masikati.
> Sources:
> Kryger, MH et al . "Mazano Nezviito Zvokurapa Mishonga." ExpertConsult , 5th edition, 2011.
> Moore-Ede, MC et al . "Chirongwa chepanyama chenguva," muThe Clocks That Time Us . Cambridge, Massachusetts, Harvard University Press, 1984, p. 3.
> Peters, BR. "Nguva isiri yehovheji nekumuka." Kuongororwa kweKunyunyuta kwehope . Kurara Med Clinic . 9 (2014) 481-489.
> Ramsey, KM uye Bass, J. "Mhando dzezvipfuwo zvekushungurudzika kwechironobiology: cell and tissue," mumitemo uye maitiro ekurapa mishonga . Yakarongedzwa naKryger MH, Roth T, Dement WC. St. Louis, Missouri, Elsevier Saunders, 2011, peji 463-467.