■研究患有儿童早期中耳炎(OM)的学龄儿童在有或没有耳间差异的噪声或语音掩蔽条件下的语音识别。同时探讨三种耳科病史因素的影响。
■使用耳机演示,用简单的句子测量语音识别阈值(SRT)。作为掩盖者,使用了稳态语音噪声(SSN)或两个说话者运行语音(TTS)。刺激以单耳和双耳条件(SSN)或位于同一位置且空间分离的条件(TTS)呈现。根据现有的医疗记录,总OM持续时间,OM发病年龄,估计了自上次OM发作以来的时间。
■6-13岁有复发性OM(N=42)或没有任何耳部疾病(N=20)的儿童,在测试时具有正常的鼓室图和听力图。
■控制年龄的混合模型回归分析显示,OM组的SRT较差(Δ值=0.84dB,p=0.009)。这些似乎是由空间分离的驱动,双耳,和单声道条件。OM组表现出较大的个体差异,与耳科病史因素无关。
■幼儿OM会在不同的声学条件下影响语音识别。耳科病史的影响值得进一步研究。
UNASSIGNED: To investigate speech recognition in school-age children with early-childhood otitis media (OM) in conditions with noise or speech maskers with or without interaural differences. To also investigate the effects of three otologic history factors.
UNASSIGNED: Using headphone presentation, speech recognition thresholds (SRTs) were measured with simple sentences. As maskers, stationary speech-shaped noise (SSN) or two-talker running speech (TTS) were used. The stimuli were presented in a monaural and binaural condition (SSN) or a co-located and spatially separated condition (TTS). Based on the available medical records, overall OM duration, OM onset age, and time since the last OM episode were estimated.
UNASSIGNED: 6-13-year-olds with a history of recurrent OM (N = 42) or without any ear diseases (N = 20) with normal tympanograms and audiograms at the time of testing.
UNASSIGNED: Mixed-model regression analyses that controlled for age showed poorer SRTs for the OM group (Δ-value = 0.84 dB, p = 0.009). These appeared driven by the spatially separated, binaural, and monaural conditions. The OM group showed large inter-individual differences, which were unrelated to the otologic history factors.
UNASSIGNED: Early-childhood OM can affect speech recognition in different acoustic conditions. The effects of the otologic history warrant further investigation.