Hörmann L, Ambrosch P, Hey M
Klinik für Hals‑, Nasen‑, Ohrenheilkunde, Kopf- und Halschirurgie, Universitätsklinikum Schleswig-Holstein (UKSH), Campus Kiel, Arnold-Heller-Str. 3, Haus 27, 24105, Kiel, Deutschland.
HNO. 2020 Jan;68(1):25-31. doi: 10.1007/s00106-019-00771-6.
Logatomes, nonsensical combinations of consonants and vowels, are suitable for a precise capture and analysis of individual phonemes as fundamental modules of speech in audiometric diagnostics.
The aim of this prospective study was to capture the audiometric characteristics of a closed-set logatome test. The slope of the discrimination function at the speech reception threshold (SRT) and the reproducibility were analyzed.
A set of 102 intensity varied and randomized logatomes were presented in the form of consonant-vowel-consonant to 25 hearing unimpaired adults. The measurements were performed in a free field setting and were each repeated after a 2-week interval. The subjects were requested to repeat the heard logatome in a closed response test of 10 items per sound item on a touchscreen.
The slope of the mean discrimination function at the SRT was on average 4%/dB; however, the mean discrimination function slope was steeper for the initial consonant than for the final one. The differences of the test and retest results at the SRT showed a standard deviation of 13% for consonants. These differences were normally distributed. There were no significant differences between test and retest.
The slope of the discrimination function at the SRT appeared to be shallow but was comparable to established word tests. Finally, there was no evidence of a learning effect in the retest, which emphasizes the low redundancy of the speech material and makes it an attractive complementary option to routine audiometric diagnostics.
无意义音节，即辅音和元音的无意义组合，适合在听力诊断中作为语音基本模块精确捕捉和分析单个音素。
这项前瞻性研究的目的是捕捉封闭式无意义音节测试的听力特征。分析了言语接受阈（SRT）处辨别函数的斜率和可重复性。
以辅音-元音-辅音的形式向25名听力正常的成年人呈现一组102个强度变化且随机排列的无意义音节。测量在自由声场环境中进行，每隔2周重复一次。要求受试者在触摸屏上对每个声音项目进行10项的封闭式反应测试中重复听到的无意义音节。
SRT处平均辨别函数的斜率平均为4%/dB；然而，初始辅音的平均辨别函数斜率比最终辅音的更陡。SRT处测试和复测结果的差异显示辅音的标准差为13%。这些差异呈正态分布。测试和复测之间无显著差异。
SRT处辨别函数的斜率似乎较平缓，但与既定的单词测试相当。最后，复测中没有学习效应的证据，这强调了语音材料的低冗余性，使其成为常规听力诊断的一个有吸引力的补充选项。
