Murty G E, Carding P N, Kelly P J
Department of ENT, Freeman Hospital, Newcastle upon Tyne, UK.
Clin Otolaryngol Allied Sci. 1991 Dec;16(6):532-4. doi: 10.1111/j.1365-2273.1991.tb00966.x.
This study investigates by combined glottography the effect of the anatomical changes of ageing on laryngeal movement during the vibratory cycle. 10 adult males less than 25 years of age were compared to 10 males over 60 years of age. The speed quotient was increased in the elderly group; thus, ageing in the larynx results in a slowing of the opening of the vocal folds. This may account for the different voice quality in the elderly. The clinician must consider the subject's age when interpreting speed quotient values.
本研究通过联合声门图检查法，研究衰老过程中的解剖学变化对振动周期中喉部运动的影响。将10名年龄小于25岁的成年男性与10名年龄超过60岁的男性进行比较。老年组的速度商增加；因此，喉部衰老会导致声带张开速度减慢。这可能解释了老年人声音质量的差异。临床医生在解释速度商值时必须考虑受试者的年龄。
