Isikhathi Sokuthi Izinguquko Zezwi Zingakutjela Kanjani
Sonke sizwile mayelana nokuguga kanye nezinguquko zezwi, kodwa uyazi ukuthi kungani kwenzeka futhi kanjani? Uma izwi lendodana yakho liyaphuka, thola ukuthi kungani izwi lakhe lishintsha nokuthi lihlobene kanjani nokukhulelwa nokukhula.
Ukuthi Ukuguga Kuthinta Kanjani Izwi
Izwi lethu likhiqizwa lapho umoya uqhutshwa ngokucindezela emithonjeni yethu yomlomo nangomlomo. Umlomo nolimi lwethu luyingxenye ekwakheni amagama, kodwa yizintambo zethu zomculo ezithinta indlela ejulile noma indlela ephakeme ngayo izwi lethu.
Lezi zindlela zokumemeza, futhi ziyazi ukuthi izimpande zomculo, ziyizingxenye ezimbili ze-cartilage nezinye izicubu ebhokisini lezwi (elibizwa ngokuthi i-larynx). Izwi ligoqa lidlidliza ukuze lenze imisindo eyisisekelo. Shintsha lemisindo ngemilomo yethu ukwenza amagama. Izindebe ezinde futhi ezinde kakhulu, yizona ezansi ezishaya umsindo.
Ekuzalweni, amaphuzu ezwi labafana namantombazane afana nobude obufanayo, okulinganiselwa ngamamitha ayi-2 ubude, kodwa baqhubeka bekhula njengoba ingane ikhula. Amapulangwe azwile amantombazane akhula u-0.4 mm ngobude ngonyaka, kodwa amafolda omlomo womfana akhula u-0.7 mm ubude ngesikhathi esifanayo - cishe kabili kakhulu. Lokhu kukhula kugcina kwehlisa, okwenza amantombazane abe nobude obuningi bokuphakama kwama-10 mm nabafana abanama-16 mm ubude. Ikholomu elide elingamazwi lisho izwi elijulile, yingakho abesilisa bathambekele ekubeni nezwi elijulile kunamantombazane.
Lezi zinguquko kwi-larynx zonke zihlobene nemali ekhulayo ye-testosterone kubafana ngesikhathi sokuthomba.
Ukwanda kwe-testosterone kuholela ekwandiseni i-cartilage ye-larynx kanye nemigqa yezwi, kanye nokuqina kwamacilongo. Amathanga omculo oqinileyo aholela ekushintsheni ithoni kanye nesigcawu sezwi - isitembu sibe yikhwalithi noma "umbala" wezwi. Ngakho lapho izwi lendodana yakho liqhekeka, libeke icala ku testosterone kanye nezinhlungu ezikhulayo zezintambo zezwi!
Izinguquko Zezwi nezinye izinguquko Ekukhusheni
Izinguquko zezwi azenzeki ku-vacuum. Ukwanda kwe testosterone ngesikhathi sokukhulelwa akusho nje ukuphazamisa izwi, i-hormone ishintsha emzimbeni, hhayi nje ngezwi.
Noma kunjalo, uma izwi liguquka ngesikhathi sokukhulelwa kubalulekile; ngoba yenza kanjalo ngesikhathi esithile lapho kwenziwa izinguquko jikelele ezenzekayo. Ucwaningo luye lwabonisa njalo ukuthi izinguquko zezwi zenzeka lapho abafana bephakathi kweTanner Stages 3 no-4. Izigaba ze-Tanner zichaza izinguquko ezingokwenyama emndenini womfana ngesikhathi sokukhulelwa. Udokotela wakho uhlola i-Tanner Stage yendodana yakho, ngakho-ke ukhululekile ukubuza ukuthi indodana yakho isaphi - ukukhulelwa kuhlakaniphile - emva kokuhlola kwakhe okulandelayo. Kungase ikunike isibonakaliso uma ushintsho lwezwi luseduze.
Ngokuthakazelisa ngokwengeziwe, izinguquko zezwi zingahlobene nokuphakama kwendodana yakho. Lapho izwi lendodana yakho liqala ukushintsha, lokhu kuvame ukuveza ukuqala "kokukhula" kwakhe. Lokhu kukhula kukhula ngesikhathi sokukhula lapho ukuphakama kwanda ngokushesha ngesikhathi sokukhula. Uma izwi lendodana yakho liyeka ukushintsha ngokushesha, ukukhula kwakhe kuqale ukwehla. Lokhu akuyona inqubo esheshayo njengoba ukukhula kukhula phakathi neminyaka yentsha kungadlulela iminyaka emibili kuya kwemibili.
Ukuthomba, ngezwi layo kuguquka phakathi kwezinye izinto, kungaba yisikhathi esicindezelayo kwentsha, kepha ukuqonda okwengeziwe ngenqubo kungasiza wonke umuntu ukuba abhekane nesimo.
Uma ekhathazekile ngokuthi izwi lakhe lizwakala kanjani, ungaqinisekisa indodana yakho ukuthi i-squeaks kanye nezinguquko ziyizinhlungu ezijwayelekile zokukhula nokuthi ngeke zihlale phakade. Izindaba ezinhle ukuthi uma izwi lakhe lishintsha, uzothola ukukhula okwakulindeleke!
Imithombo:
Haag, U noTaranger, J. Izinkomba zokukhula kanye nokukhula kokusakaza. I-American Journal of Orthodontics Ngo-Okthoba 1982; 82 (4): 299-309.
AmaHarries, M, Hawkins, S, Hackinga, J, noHughes, I. Izinguquko ekhulwini lesilisa ngesikhathi sokukhulelwa: ubude bezintambo zomlomo kanye nobuhlobo bawo nemvamisa ebalulekile yezwi. I Journal of Laryngology & Otology 1998, 112: 451-454.
AmaHarries, iMLL, Walker, JM, Williams, DM, Hawkins, S, noHughes IA. Izinguquko kwizwi lomuntu ekukhusheni. Archives of Disease In Childhood 1997; 77: 445-447.
Izinguquko Zezwi Kuyo yonke Impilo. Isikhungo Sikazwelonke Sokukhuluma Nezwi. Agasti 22, 2009. http://www.ncvs.org/ncvs/tutorials/voiceprod/tutorial/changes.html