"Additionally, the majority of psychophysical studies on vestibular function in humans with normal vestibular abilities have focused on detection thresholds (Benson, Hutt, & Brown, 1989; Gianna, Heimbrand, & Gresty, 1996; Grabherr, Nicoucar, Mast, & Merfeld, 2008) although recently there has been more research dedicated to evaluating discrimination thresholds (MacNeilage, Banks, DeAngelis, & Angelaki, 2010; Mallery et al., 2010). The finding in the present study that more information was provided by the addition of discrimination thresholds, in tandem with detection thresholds, has been welldocumented in previous studies of auditory function (Erber, 1982; Hudgins, Hawkins, Kaklin, & Stevens, 1947;Thibodeau, 2007). To truly evaluate a person's auditory ability, it is important to not only obtain a person's detection thresholds across a range of frequencies, but also to measure how the person is able to use those thresholds to understand more real-world applicable stimuli, such as a speech stimulus. "
"Researchers continue to regard all four criteria as relevant and necessary for every speech test (Knight, 1997). However, the present data set, albeit small, are consistent with the trend of previous research suggesting that all four criteria might not be necessary for the speech threshold measurement (Fletcher, 1929; Harris, 1948; Hudgins et al., 1947). This trend has implications for the development of speech threshold tests in English and other languages and should be further evaluated in clinical practice and future research. "
[Show abstract][Hide abstract] ABSTRACT: Although Central Institute for the Deaf (CID) W-1 stimuli are routinely used for speech recognition threshold (SRT) testing, they are not always familiar to new learners of English and often lead to erroneous assessments. To improve test accuracy, alternative stimuli were constructed by pairing familiar English digits. These digit pairs were used to measure SRT for 12 non-native speakers of English and 12 native speakers of English. Results indicate that digit pairs effectively measure SRT for both participant groups; and more importantly, for non-native speakers of English, digit pairs are more accurate than CID W-1 words in measuring the hearing threshold for speech. Digit-pairs have cross-linguistic appeal and should greatly facilitate accurate SRT testing for listeners with minimal exposure to English.
American Journal of Audiology 07/2002; 11(1):23-8. DOI:10.1044/1059-0889(2002/005) · 1.07 Impact Factor
"45-46). Tillman and Olsen (1973) revived the speech recognition threshold technique (for spondaic words) originally used by Hudgins et al. (1947) with the PAL Auditory Test No.9 and subsequently incorporated into the CID Auditory Test W-2 by Hirsh et al. (1952), and urged that the procedure be considered for standard implementation in the clinical setting. The speech recognition threshold protocol just mentioned has the following four features: 1) spondaic words that are familiar to the listener; 2) a descending intensity approach to threshold; 3) a threshold defined as 50 percent correct; and 4) a scoring process in which each spondaic word is assigned a decibel value. "
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