Abstract：
BACKGROUND: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. OBJECTIVE: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. MATERIAL AND METHODS: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. RESULTS: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. CONCLUSION: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.
journal_name
HNOjournal_title
HNOauthors
Hörmann L,Ambrosch P,Hey Mdoi
10.1007/s00106-019-00771-6subject
Has Abstractpub_date
2020-01-01 00:00:00pages
25-31issue
1eissn
0017-6192issn
1433-0458pii
10.1007/s00106-019-00771-6journal_volume
68pub_type
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