Ubushakashatsi bwagarutsweho na The Conversation byakozwe n’umushakashatsi mu by’ubumenyamuntu n’imikorere y’umubiri, asobanura ko itandukaniro ry’uburebure bw’intoki atari impanuka, ahubwo rishingiye ku buryo kamere n’ubwihindurize byabaye ku kuboko kw’umuntu kugira ngo gashobore gukora imirimo itandukanye, kuva ku gufata ibintu biremereye kugeza ku mirimo isaba ubuhanga n’ubwitonzi.
Buri rutoki rufite uruhare rwihariye
Urutoki rwo hagati ni rwo rukunze kuba rurerure kurusha izindi. Ruba nk’umurongo wo hagati w’ukuboko, rugafasha mu kuringaniza no kuyobora imigendekere y’intoki. Uruhare rwarwo rugaragara cyane mu gufata ibintu bikomeye no mu gukomeza gufata ibintu neza.
Urutoki rw’impeta ruba ruri munsi gato y’urutoki rwo hagati. Rukorana cyane na rwo mu kongera imbaraga zo gufata no gutuma ikiganza kigira ituze. Iyo utwaye ibintu biremereye nk’imifuka cyangwa ibikoresho bya siporo, uru rutoki rufasha gukomeza gufata neza.
Urutoki rw’imbere ruba rugufi kandi rworoshye kugenda rwigenga kurusha urwo hagati n’urw’impeta. Ni rwo dukunze gukoresha mu mirimo isaba ubuhanga no gukoresha neza, nko kwandika, gukanda utubuto duto cyangwa kwerekana aho ibintu biherereye.
Agahera ni ko gato kurusha izindi ntoki, ariko gafite uruhare rukomeye mu gutuma uruhande rw’inyuma rw’ikiganza rugira ituze. Gafasha cyane mu gufata ibintu binini kurusha ikiganza, nk’icupa rinini cyangwa umufuka uremereye.
Igikumwe gifite umwihariko ukomeye. Nubwo kidafite uburebure nk’izindi ntoki, gifite ihuriro rituma gishobora kuzenguruka no kwegera izindi ntoki. Ibi bituma gishobora gufata ibintu bito neza, nko gutoragura amafaranga y’uduceri.
Ukuboko nk’igikoresho cy’ubwihindurize
Ubwihindurize bwagize uruhare runini mu gutuma ukuboko kw’umuntu kuba igikoresho gifite ubushobozi bwinshi. Abantu bo hambere bakoreshaga amaboko mu bikorwa byo kubaho, nko kurira ibiti, kubaka no gukora ibikoresho.
Abantu bafite amaboko ashobora gufata ibintu neza no gukora imirimo isaba ubuhanga ni bo bashoboraga kubaho no gutera imbere kurusha abandi. Uko ibisekuru byagiye bisimburana, imiterere y’intoki yagiye ihinduka kugira ngo ifashe umuntu gukora imirimo itandukanye.
Urutoki rwo hagati rurerure dusangiye n’izindi nyamaswa nk’inguge, inkende ndetse n’ingagi bikaba byerekana ko rwagize uruhare rukomeye mu mateka y’ihindagurika ry’ukuboko.
Uko intoki zikura mbere yo kuvuka
Ntabwo ubwihindurize bwonyine ari bwo bugena uburebure bw’intoki. Mbere y’uko umwana avuka, imiterere y’intoki igenwa n’uturemangingo ndangasano (genes). Twerekana uko amagufa y’intoki azakura, uburebure bwa buri rutoki, ndetse n’uko ingingo n’imitsi by’intoki bizaba bimeze.
Imisemburo nka testosterone na estrogen na yo igira uruhare mu gukura kw’amagufa y’intoki, bigatuma habaho itandukaniro rito mu burebure bw’intoki hagati y’abantu.
Ni yo mpamvu abantu bo mu muryango umwe bashobora kugira imiterere y’intoki isa, ariko buri muntu akaba afite intoki ze bwite zifite uburebure n’imiterere yihariye.
Intoki za muntu zifite uburebure butandukanye kubera impamvu nyinshi zifatanyije. Ubwihindurize bwagize ukuboko igikoresho gishobora gukora imirimo myinshi, aho buri rutoki rwagiye rugira inshingano zarwo. Ihererekanwa ryo mu muryango n’imisemburo byo bigena uko izo ntoki zikura mbere yo kuvuka.
Ibi byose byatumye ukuboko kw’umuntu kuba igikoresho gitangaje, gishobora gukora imirimo isaba imbaraga nyinshi ndetse n’ikorwa risaba ubuhanga n’ubwitonzi. Bityo, itandukaniro ry’uburebure bw’intoki ntabwo ari impanuka, ahubwo ni uburyo kamere bwateguye akaboko kugira ngo kadufashe mu buzima bwa buri munsi.