Detection and identification thresholds for consonant-vowel syllables |
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Authors: | Lois L. Elliott Cheryl Longinotti Luann Clifton Dianne Meyer |
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Affiliation: | 1. Northwestern University, 2299 Sheridan Road, 60201, Evanston, Illinois
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Abstract: | Detection and identification thresholds were obtained for 6- and 10-year-old normal children and normal adults using five-formant synthesized consonant-vowel ([baHdflrfea]) stimuli. Sixyear-old children were found to have poorer detection than adults, just as they do for pure tones. For the identification task, the slopes of the performance-intensity functions were more shallow for 6-year-old children than for 10-year-olds and adults. Consequently, compared with 10-yearolds and adults, 6-year-old listeners require a greater increase in stimulus intensity above detection threshold to identify these stimuli at a high performance level. The influence of acoustic characteristics of the stimuli on all listeners is also discussed. |
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