Sistem din kunnawa (RAS) wani cibiyar sadarwa ne a cikin kwakwalwar kwakwalwa wanda ke taka muhimmiyar rawa wajen daidaita hankali, ko kuma tsinkaye, daga cikin kwakwalwa kuma yana taka muhimmiyar rawa wajen daidaita wakefulness da tashin hankali.
Hanyoyin da aka haɗa a cikin wannan tsarin farawa a saman ɓangare na kwakwalwar kwakwalwa kuma ta baza ta hanyar thalamus, sa'an nan kuma zuwa kwakwalwar kwakwalwa, wanda ake kira cortex na cerebral.
Yankunan da ke cikin kwakwalwa da ke aiki a cikin wannan tsarin sun haɗa da: Tsarin tsakiya na tsakiya na tsakiya, tsakiya na mesencephalic, tsakiya na intralaminar sulhu, dorsal hypothalamus, da kuma tegmentum.
Idan wannan tsarin ya lalace, zai iya haifar da barci mai zurfi, ƙwararru, ko coma. Dysfunction na iya zama wani rawar a schizophrenia, narcolepsy, da kuma sauran barci cuta.
Ta yaya Ya rage barci
Ayyukan gyaran ƙwayoyin suna taimakawa kwakwalwarka don samun damar yin aiki don haɓaka aiki mafi girma don haka zaka iya tashi da safe. Kuna iya yin la'akari da shi a matsayin cibiyar kula da kwakwalwarka: Yana tafiyar da matakai kuma ba shi da alhakin wayar da kai da sani. Domin tayar da ku da safe, yana amsawa ga abubuwa daban-daban, irin su rana da sauti kuma yana sa zuciyarka ta zama faɗakarwa. A cikin rana, yana sa ka jijjiga da farka ta hanyar taimaka wa kwakwalwarka abin da ke gudana kewaye da kai.
Narcolepsy
Ɗaya daga cikin rashin barci da ke hade da tsarin aiki na reticular shine narkerancin kwayar cutar - kwakwalwar kwakwalwa ta yau da kullum da aka ƙayyade ta hanyar kulawar tashin hankali.
Wannan rushewar haɗuwa da barci yana cikin ɓangare saboda tsarin tsarin aiki mai dysfunctional da kuma mutane da narcolepsy suna da lokaci na matsananciyar kwanciyar rana kuma suna iya barci a kowane lokaci. Narcolepsy na iya zama mai hatsarin gaske, yayin da mutanen da ke fama da rashin lafiya suna barci ba tare da sanarwa ba, wanda zai iya haɗawa a lokacin ayyukan irin su tuki, tafiya ko wasu yanayi wanda zai iya sanya su da sauransu a hadari.
Yadda za a iya lalata RAS
Tsarin tsarin kunnawa na iya zama lalacewa a wasu hanyoyi. Ɗaya daga cikinsu shine lokacin da mutum ya sha wahala daga mummunar ƙwaƙwalwar ƙwaƙwalwar ƙwaƙwalwa (TBI), sakamakon haɗari ko wasu dalilai. Damage zuwa RAS daga TBI ba yawanta ba ne, amma za'a iya rage sakamakon ta hanyar maganin maganin gyarawa akan mayar da hankali kan barci, gudanarwa mai zafi, daidaitawa da kuma tsaftace matsalolin mai zuwa.
Sources:
Eastern University of Tennessee Jami'ar Jihar Jami'ar. (nd). A Lecture, Ayyukan Ƙarƙashin Ƙarshe: Kunnawa na BrainLine.org. (nd). Shin ƙwaƙwalwar ƙwayar cuta ce ta iya cinye tsarin sarrafawa? Sake dawowa Janairu 28, 2016
Brain da kuma matakin matakin sani. An dawo da shi ranar 23 ga Janairu, 2016.
Ƙungiyar Cibiyar Kwayoyin Tsaro ta Duniya da Tashin Kashe. (2015, Janairu 5). Narcolepsy Fact Sheet. Sake dawowa Janairu 28, 2016.