ta Laura Sanders
Iceaicean da suka girma tare da dumbin fitilu masu walƙiya da amo suna da kwakwalwa da halayen mahaifa.
SAN DIEGO — Beraye da aka haifa a cikin keji da aka yi musu ruwan haske da sautuka masu haske suna da matsaloli masu yawa a kwakwalwa da kuma matsalolin ɗabi'a. Masana kimiyya sun bayar da rahoton cewa awanni na motsa jiki na yau da kullun sun haifar da halaye masu kama da nakasa ta hankali/rashin aiki sosai , kamar yadda masana kimiyya suka ruwaito a ranar 14 ga Nuwamba a taron shekara-shekara na Society for Neuroscience.
Wasu nau'in motsawar rai, kamar gani da sauti, an san su don taimakawa kwakwalwa ci gaba daidai. Amma masana kimiyya daga Cibiyar Nazarin Yara ta Seattle sun yi mamakin ko yawaitar motsawa ko kara yawan nau'in da ba daidai ba zasu iya yin mummunan tasiri kan kwakwalwar da take girma.
Don kwaikwayon matsanancin bayyanar allo, mice ta kasance tana fashewa da walƙiya masu walƙiya da sauti TV a cikin sa'o'i shida a rana. Cacophony ya fara ne lokacin da berayen suka kasance kwanaki 10 kuma sun ɗauki tsawon makonni shida. Bayan ƙarshen wannan bala'in, masanan kimiyya sunyi nazari akan kwakwalwar mice.
"Mun sami canje-canje masu ban mamaki ko'ina a cikin kwakwalwa," in ji wani binciken co-Jan Jan Marino Ramirez. Iceaicean motsin da aka zuga suna da ƙananan ƙwayoyin jijiyoyin jijiyoyi a cikin hippocampus, tsarin kwakwalwa mai mahimmanci don koyo da ƙwaƙwalwa, fiye da berayen da ba a ƙarfafa ba, in ji Ramirez. Hakanan motsawar ya sanya wasu jijiyoyin jijiyoyi suna aiki gaba daya.
Jigilar kwalayen kwayoyi kuma sun nuna halaye masu kama da wasu masu alaƙa da ADHD a cikin yara. Wadannan mice sun kasance masu aiki sosai kuma suna da matsalar tunawa ko sun ci karo da wani abu. Jigilar yai kamar yana da niyyar ƙara shiga cikin hatsari, yana buɗewa cikin wuraren bude wuraren da beraye ke jin daɗinsu, misali.
Wasu daga cikin waɗannan sakamakon an ruwaito su a baya daga masu bincike a Seattle, waɗanda yanzu suka sake yin kwafi a cikin wani rukunin beraye daban. Ramirez da abokan aikinsa suna faɗaɗa aikin ta hanyar neman ƙarin cikakkun canje-canje a cikin ɗabi'u.
Misali, gwaje-gwaje na farko sun nuna cewa berayen basu da haƙuri kuma suna da wahalar jiran lada. Lokacin da aka zaɓi zaɓi tsakanin dogon jira don sakamako mai kyau na pellelet na abinci huɗu da ɗan jira kaɗan, ƙwararrun jijiyoyi sun fi dacewa su sami gamsuwa ta hanzari fiye da mice marasa ƙarfi, musamman lokutan jira.
Motsa jiki ba shi da tasirin iri ɗaya akan ƙwararrun maza, sakamakon da ke nuna ƙara rura wutar yana da babban tasirin ci gaba - amma ba cikakkiyar halitta ba - kwakwalwa.
Idan yawan motsa jiki na sauti da gani yana cutar da kwakwalwa mai girma, iyaye suna buƙatar yin tunani game da yadda ya kamata 'ya'yansu su yi mu'amala da allo. Amma zuwa yanzu, binciken bai yi nisa ba don canza jagororin ( SN Online: 10/23/16 ).
Gina Turrigiano ta jami'ar Brandeis da ke Waltham, Mass, cewa ba mu cikin inda za mu iya ba iyaye shawarwari. "A koyaushe akwai maganganu a cikin fassara bincike daga mice zuwa mutane," in ji Turrigiano.
Menene ƙari, shigarwar azanci na farko bazai iya shafar duk yara haka ba. "Kowane yaro zai ba da amsa sosai, daban sosai," in ji Turrigiano. Waɗannan maganganun daban-daban na iya zama bayan dalilin da yasa wasu yara suka fi kamuwa da ADHD.
Har yanzu akwai masana kimiyya da yawa da ba su fahimta ba game da yadda ake shigar da sauti a farkon rayuwa yana warin kwakwalwa. Mai yiyuwa ne cewa abin da kamar alama yake motsa jiki a farkon rayuwa zai iya zama abu mai kyau ga wasu yara, yin amfani da kwakwalwa ta hanyar da zai sa su zama mafi kyawun ma'amala tare da duniyar fasaha mai sauri, in ji Leah Krubitzer na Jami'ar California. Davis. "Wannan yawan motsa jiki zai iya zama da ada ada," in ji ta. "Amfanin na iya sama da kasawar."
Tushen adireshin: https://www.sciencenews.org/article/sounds-and-glowing-screens-impair-mouse-brains