Kungenzeka ukuthi uma uthwala ingane yakho ukhetha ukumbamba ohlangothini olulodwa lomzimba wakho. Kungenzeka ukuthi lolo cala luhlangothini lwesobunxele, futhi ucwaningo luchaza ukuthi kungani.
Ngokwesifundo se- Development Science , abesifazane abangamaphesenti angaba ngu-85 bakhetha ukubamba izingane zabo ngakwesobunxele kwemizimba yabo, befaka izingane zabo ezinqulwini zabo zangakwesobunxele. Ngisho noma umama engakwesokunxele , u-statistically, usebambe ingane yakhe ngakwesobunxele.
Imikhombandlela yokuthi kungani omama nabanye abanakekeli bakhetha ukubamba izinsana zabo ngakwesobunxele baye bahamba phakathi neminyaka. Abanye bacabanga ukuthi kwakulula njengoba iqiniso lokuthi iningi labantu linembile, ngakho-ke kungaba kuhle ukuphatha abantwana ngakwesobunxele, beshiye isandla sabo sokunene sivulekele ukuqhuba imisebenzi ebalulekile. Futhi nakuba lokhu kungase kwenzeke ngokwezinga elithile, isayensi isekela inkolelo yokuthi kungase kube khona kancane kunalokho.
Ithiyori yezinsizakalo ezisekhohlo
Ngokwesayensi, inkulumo yabanakekeli abathwala izingane zabo esikhwameni sokunxele ibizwa ngokuthi "i-left-side bias." Leyo yindlela elula yokusho ukuthi umzali ukhetha uhlangothi lwesobunxele. Ucwaningo olwenziwe kuNdalo luchaze ukuthi ukuxhaswa kwesokunxele ekuluthweni kwezilwane ezincelisayo kungenxa yendlela indlela ubuchopho buqala ngayo.
Ucwaningo luhlola ukuthi yiliphi inzalo eyinhloko yezintambo ezithinta izinyokazi ezivela emvelweni, kusukela ekusebenzisaneni okuvamile kuya ezimweni lapho besaba futhi besondela eduze komama wabo.
Ngokudlukisayo, abacwaningi bathola ukuthi inzalo yafika koomama ngakwesobunxele.
Uma usebenzisa lokhu kubantu, obani futhi ama-primates, ukuziphatha okufanayo kubuye kubonwe njalo.
I-Science Behind It
Njengoba kuvela, isizathu sokubheka kwesokunxele ukuthi ohlangothini lwesokudla lobuchopho uthola izibonakaliso ukusuka ohlangothini lwesobunxele lwemizimba yethu.
Uhlangothi olufanele lobuchopho luhlangothini olunesibopho sokuhumusha izici ezivela emvelweni wethu mayelana nendlela yokubhekana nezimo zomphakathi, ukwakha ubudlelwane nokubopha, nokubona ukuthi izingane zethu zingase zihlupheke, isibonelo. Uhlangothi olungakwesokudla lobuchopho lubuye lube yingxenyana "yokubopha" ebuchosheni, obhekene nemibono eminingi yothando kababa esinezingane zethu.
Ngenxa yokuthi uhlangothi lwethu lokunene luyakwazi ukwenza umsebenzi walo ngokuthola ulwazi kusuka kwiso langakwesobunxele, ngakho-ke kunengqondo ukuthi, ngokwemvelo, siyoba namathuba okugcina izingane zethu ngakwesokunxele. Kunezinzuzo ezihlukene zokugcina ingane ngakwesobunxele, njengokuthi ingane isondelene nenhliziyo yomama, engasiza ukulawula ukushisa nokugcina ingane iphelile. Ngokuvamile, kunengqondo ukugcina izingane ngakwesobunxele. Ngamafuphi, kwenza umsebenzi wethu njengomzali ube lula.
Yiqiniso, lokho akusho ukuthi bonke abazali bagcina izingane zabo nezingane ngakwesobunxele, kodwa kuyinkinga eyithakazelisayo yokucabangela.
> Imithombo:
UBourne, VJ noBrenda, uK. Brain baxoshwa futhi bahlambalaza. Lapho kushiywe kusho okulungile: incazelo yezinkampani ezishiyayo ezisekhohlo ngokulandelana kwesokudla se-hemisphere . Isayensi Yezokuthuthukiswa 7.1: 19-24. 2004.
UKainaina, K., et al. Ukufakela phambili ukusebenzisana kosana nosana ezinhlobonhlobo zezilwane ezincelisayo. Imvelo Ecology & Evolution. 2017.