目的探讨老年聋患者以远程的方式验配助听器后的助听效果。方法选取老年聋患者20人,随机分为两组:第一组10人,以远程的方式验配助听器;第二组10人,以面对面的方式验配助听器。分别采用言语测听及问卷评估的方式对配戴助听器前以及...目的探讨老年聋患者以远程的方式验配助听器后的助听效果。方法选取老年聋患者20人,随机分为两组:第一组10人,以远程的方式验配助听器;第二组10人,以面对面的方式验配助听器。分别采用言语测听及问卷评估的方式对配戴助听器前以及配戴助听器6N后的效果进行评价。言语测听材料选择普通话言语测听材料(mandarin speech test materials,MSTMs)的双音节辨别率测试,问卷选择国际助听器效果评定问卷(IOI-HA)。结果①两组患者助听下言语辨别率得分无显著差异(t=0.32,P=0.750〉0.05),②两组患者配戴助听器后问卷评估得分无显著差异(t=0.95,P=0.35〉0.05);③入组患者在安静环境下言语辨别能力配戴助听后显著优于未助听时的言语辨别能力(t=6.39,P=0.00〈0.05);④入组患者配戴助听器6周后问卷评估结果显示5%的患者对助听器效果满意,80%的患者认为助听器效果一般,15%的患者对助听器效果不满意。结论可以采用远程助听器验配技术对不方便来听力中心就诊的患者进行助听器验配及调试。助听器可有效提高患者在安静环境中的言语辨别能力。仍应通过双耳验配、助听辅助技术等方式提高患者在日常生活环境中的助听器使用满意度。展开更多
The effect of intensity accents on detection of temporal irregularities is investigated in a 3×3 behavior experiment with independent variables of inter-onset-interval (IOI) length and intensity. In a 5-beat is...The effect of intensity accents on detection of temporal irregularities is investigated in a 3×3 behavior experiment with independent variables of inter-onset-interval (IOI) length and intensity. In a 5-beat isochronous sequence, both the length of the third IOI and the intensity of succeeding beat are manipulated to three different levels separately (IOI length: longer Llo, shorter Lsh, or standard Lst. Intensity: louder Ilo, softer Iso, or standard Ist). Subjects are required to discriminate the third IOI length with different responses respectively. The discrimination sensitivity index (d′) and response criterion (C) are assessed simultaneously for each stimulus condition. Statistical analysis reveals an asymmetric effect of intensity accents on detection of IOI deviations in an isochronous sequence, i.e. the loud accent mainly reduces the sensitivity for both shorter and standard IOIs, and the soft accent might introduce a disturbance into the temporal perception, especially in the detection of the short IOIs. Importantly, when preceding a louder accent, the short IOIs are significantly difficult to detect than the long ones, as consistent with the compensation hypothesis.展开更多
文摘目的探讨老年聋患者以远程的方式验配助听器后的助听效果。方法选取老年聋患者20人,随机分为两组:第一组10人,以远程的方式验配助听器;第二组10人,以面对面的方式验配助听器。分别采用言语测听及问卷评估的方式对配戴助听器前以及配戴助听器6N后的效果进行评价。言语测听材料选择普通话言语测听材料(mandarin speech test materials,MSTMs)的双音节辨别率测试,问卷选择国际助听器效果评定问卷(IOI-HA)。结果①两组患者助听下言语辨别率得分无显著差异(t=0.32,P=0.750〉0.05),②两组患者配戴助听器后问卷评估得分无显著差异(t=0.95,P=0.35〉0.05);③入组患者在安静环境下言语辨别能力配戴助听后显著优于未助听时的言语辨别能力(t=6.39,P=0.00〈0.05);④入组患者配戴助听器6周后问卷评估结果显示5%的患者对助听器效果满意,80%的患者认为助听器效果一般,15%的患者对助听器效果不满意。结论可以采用远程助听器验配技术对不方便来听力中心就诊的患者进行助听器验配及调试。助听器可有效提高患者在安静环境中的言语辨别能力。仍应通过双耳验配、助听辅助技术等方式提高患者在日常生活环境中的助听器使用满意度。
基金supported by the National Natural Science Foundation of China under Grant No.60736029,30870655, and 30525030
文摘The effect of intensity accents on detection of temporal irregularities is investigated in a 3×3 behavior experiment with independent variables of inter-onset-interval (IOI) length and intensity. In a 5-beat isochronous sequence, both the length of the third IOI and the intensity of succeeding beat are manipulated to three different levels separately (IOI length: longer Llo, shorter Lsh, or standard Lst. Intensity: louder Ilo, softer Iso, or standard Ist). Subjects are required to discriminate the third IOI length with different responses respectively. The discrimination sensitivity index (d′) and response criterion (C) are assessed simultaneously for each stimulus condition. Statistical analysis reveals an asymmetric effect of intensity accents on detection of IOI deviations in an isochronous sequence, i.e. the loud accent mainly reduces the sensitivity for both shorter and standard IOIs, and the soft accent might introduce a disturbance into the temporal perception, especially in the detection of the short IOIs. Importantly, when preceding a louder accent, the short IOIs are significantly difficult to detect than the long ones, as consistent with the compensation hypothesis.