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Wani lokaci na sake zagayowar barci
Kamar haske jinkirin barci ko zurfin barci, barcin REM ne daya daga cikin sifofin yanayin bacci. A cikin manya, yana bin jinkirin barci, kuma shine mataki na ƙarshe na sake zagayowar barci.
A cikin balagagge mai lafiya ba tare da matsalar barci ba, tsawon lokacin barcin REM yana ɗaukar kusan 20 zuwa 25% na tsawon lokacin dare, kuma yana ƙaruwa tare da kowane zagayowar har sai an farka.
REM barci, ko barci marar natsuwa: ma'anar
Muna magana game da barci na “paradoxical” domin mutum yana yin barci sosai, amma duk da haka yana bayyana abin da za a iya kwatanta shi da shi. alamun farkawa. Ayyukan kwakwalwa yana da tsanani. Numfashin yana saurin sauri idan aka kwatanta da matakan barcin da suka gabata, kuma bugun zuciya kuma na iya zama mara kyau. Jiki ba shi da ƙarfi (muna magana akan aton tsoka saboda tsokoki sun lalace), amma motsin motsi na iya faruwa. Ciwon kai na iya faruwa, a maza (azzakari) da na mata (kwanta), duka a jarirai da tsofaffi.
Wani nau'in barci mai dacewa da mafarki
Lura cewa idan za mu iya yin mafarkai yayin duk matakan barci, barcin REM ya kasance musamman m ga mafarki. A lokacin barcin REM, mafarkai suna da yawa musamman, amma kuma musamman m, rashin natsuwa. Za su kuma zama mafarkin da muka fi tunawa idan muka tashi.
Me yasa kuma ake kiranta da Sleep Rapid Eye Movement, ko REM
Bugu da ƙari, bayyanar tashin hankali na mai barci, an gane barcin REM ta gaban saurin motsin ido. Idanun suna motsawa a bayan fatar ido. Wannan kuma shine dalilin da ya sa maƙwabtanmu na Ingilishi suke kiran wannan matakin barci REM: "Motsin ido da sauri". Hakanan fuska na iya bayyana motsin rai a fili, ko fushi ne, farin ciki, bakin ciki ko ma tsoro.
Juyin Halitta na bacci a cikin jarirai
Sake barci canza wuri cikin yanayin bacci tsakanin haihuwa da kuruciya, kuma tsawon sa yana canzawa. Lallai, lokacin haihuwa, barcin yaro ya ƙunshi matakai biyu kawai, ban da yin barci: barci marar natsuwa, barci REM na gaba, wanda ya zo na farko kuma yana rinjayar 60% na sake zagayowar, kuma a hankali, ko kwantar da hankali, barci. Sa'an nan kuma sake zagayowar yana ɗaukar mintuna 40 zuwa 60.
Daga kimanin watanni 3, barci marar natsuwa yana canzawa zuwa barci mai ban mamaki, amma yana riƙe da wuri na farko a cikin jirgin barci. Daga nan sai barci mai haske ya biyo baya, sannan kuma barci mai zurfi. Bayan shekaru 9 ne kawai barcin REM ya kasance a matsayi na ƙarshe a cikin yanayin barci, bayan haske jinkirin barci da zurfin jinkirin barci. A wata shida, barcin REM kawai yana wakiltar kashi 35% na yanayin barci, kuma a cikin watanni 9, gaba daya ya ɓace daga barcin rana (naps) kuma kawai kashi 20% na barcin dare, kamar yadda a cikin manya. .
Kuma, kamar yadda a cikin manya, REM barci a jarirai da yara yana da halinsa yanayin rashin natsuwa yayin da jiki yake amorphous. A lokacin wannan lokaci na barci, jaririn zai iya haifar da motsin rai guda shida na bakin ciki, farin ciki, tsoro, fushi, mamaki ko kyama. Ko da jariri yana da alama yana wahala, mafi kyau kar a tashe shi, gama gaskiya barci yake yi.
Barci mara kyau: rawar da za a fayyace
Ko da yake mun san abubuwa da yawa game da barci da nau'o'insa daban-daban, musamman godiya ga sababbin fasahohin fasaha a fannin ilimin likitanci, barci mai ban mamaki yana da ban mamaki. Har yanzu ba a san rawar da ta taka ba. Idan matakan haddar sun kasance jinkirin barci, barcin REM shima zai iya taka rawa a ƙwaƙwalwar ajiya da ciki balagagge kwakwalwa, musamman saboda yana da mahimmanci a cikin yanayin barcin jariri. A cewar Inserm, gwaje-gwajen da aka yi kan beraye sun nuna cewa danne wannan lokaci na barci yana haifar da hargitsi a cikin gine-ginen kwakwalwa.
Saboda haka barci REM zai iya zama mahimmanci don ƙarfafa ƙwaƙwalwar ajiya, amma kuma don ƙirƙira da warware matsala.