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1
The Contribution of Cognitive Factors to Individual Differences in Understanding Noise-Vocoded Speech in Young and Older Adults
Rosemann, Stephanie; Gießing, Carsten; Özyurt, Jale. - : Frontiers Media S.A., 2017
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2
The contribution of cognitive factors to individual differences in understanding noise-vocoded speech in young and older adults
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3
Age-Related Differences in Lexical Access Relate to Speech Recognition in Noise
Abstract: Vocabulary size has been suggested as a useful measure of “verbal abilities” that correlates with speech recognition scores. Knowing more words is linked to better speech recognition. How vocabulary knowledge translates to general speech recognition mechanisms, how these mechanisms relate to offline speech recognition scores, and how they may be modulated by acoustical distortion or age, is less clear. Age-related differences in linguistic measures may predict age-related differences in speech recognition in noise performance. We hypothesized that speech recognition performance can be predicted by the efficiency of lexical access, which refers to the speed with which a given word can be searched and accessed relative to the size of the mental lexicon. We tested speech recognition in a clinical German sentence-in-noise test at two signal-to-noise ratios (SNRs), in 22 younger (18–35 years) and 22 older (60–78 years) listeners with normal hearing. We also assessed receptive vocabulary, lexical access time, verbal working memory, and hearing thresholds as measures of individual differences. Age group, SNR level, vocabulary size, and lexical access time were significant predictors of individual speech recognition scores, but working memory and hearing threshold were not. Interestingly, longer accessing times were correlated with better speech recognition scores. Hierarchical regression models for each subset of age group and SNR showed very similar patterns: the combination of vocabulary size and lexical access time contributed most to speech recognition performance; only for the younger group at the better SNR (yielding about 85% correct speech recognition) did vocabulary size alone predict performance. Our data suggest that successful speech recognition in noise is mainly modulated by the efficiency of lexical access. This suggests that older adults’ poorer performance in the speech recognition task may have arisen from reduced efficiency in lexical access; with an average vocabulary size similar to that of younger adults, they were still slower in lexical access.
Keyword: Psychology
URL: https://doi.org/10.3389/fpsyg.2016.00990
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4930932/
http://www.ncbi.nlm.nih.gov/pubmed/27458400
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4
Age-related differences in lexical access relate to speech recognition in noise
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5
Influence of vocabulary knowledge & lexical access times on speech intelligibility in different acoustic conditions
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6
Effects of syntactic complexity and prosody on sentence processing in noise
Carroll, Rebecca [Verfasser]. - Aachen : Shaker, 2013
DNB Subject Category Language
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7
Effects of Syntactic Complexity and Prosody on Sentence Processing in Noise
Carroll, Rebecca [Verfasser]. - Aachen : Shaker, 2013
DNB Subject Category Language
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8
The Effects of Syntactic Complexity on Processing Sentences in Noise
In: Journal of psycholinguistic research. - New York, NY ; London [u.a.] : Springer 42 (2013) 2, 139-159
OLC Linguistik
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9
Effects of syntactic complexity and prosody on sentence processing in noise
Carroll, Rebecca. - Aachen : Shaker, 2013
BLLDB
UB Frankfurt Linguistik
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10
Effects of syntactic complexity and prosody on sentence processing in noise
Carroll, Rebecca. - Aachen : Shaker, 2013
IDS Bibliografie zur deutschen Grammatik
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11
Linguistik im Nordwesten : Beiträge zum 3. Nordwestdeutschen Linguistischen Kolloquium, Oldenburg, 3. - 4. Oktober 2010
Carroll, Rebecca Herausgeber]. - Bochum : Brockmeyer, 2012
DNB Subject Category Language
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12
Linguistik im Nordwesten : Beiträge zum 3. Nordwestdeutschen Linguistischen Kolloquium, Oldenburg, 03. - 04. Oktober 2010
Olthoff, Antje (Hrsg.); Carroll, Rebecca (Hrsg.). - Bochum : Brockmeyer, 2012
BLLDB
UB Frankfurt Linguistik
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13
Linguistik im Nordwesten : Beiträge zum 3. Nordwestdeutschen Linguistischen Kolloquium, Oldenburg, 03. - 04. Oktober 2010
Carroll, Rebecca (Hrsg.); Olthoff, Antje. - Bochum : Universitätsverlag Brockmeyer, 2012
IDS Mannheim
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14
The influence of L1 phonology on L2 phoneme perception: learning the phonology of German
In: Linguistik im Nordwesten. - Bochum : Brockmeyer (2010), 115-145
BLLDB
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