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Variation in reference assignment processes: psycholinguistic evidence from Germanic languages
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Sentence processing is modulated by the current linguistic environment and a priori information: An fMRI study
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Exhaustivity in single bare wh-questions: a differential-analysis of exhaustivity
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In: Glossa. - London : Open Library of Humanities 3 (2018) 96, 1-32
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UB Frankfurt Linguistik
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Exhaustivity in single bare wh-questions: A differential-analysis of exhaustivity
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In: Glossa: a journal of general linguistics; Vol 3, No 1 (2018); 96 ; 2397-1835 (2018)
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Exhaustivity in single bare wh -questions: a differential-analysis of exhaustivity
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A Deficit in Movement-Derived Sentences in German-Speaking Hearing-Impaired Children
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A deficit in movement-derived sentences in German-speaking hearing-impaired children
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The N400 Effect during Speaker-Switch—Towards a Conversational Approach of Measuring Neural Correlates of Language
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On the relationship between auditory cognition and speech intelligibility in cochlear implant users: An ERP study
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Age-Related Differences in Lexical Access Relate to Speech Recognition in Noise
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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.
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Keyword:
Psychology
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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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Age-related differences in lexical access relate to speech recognition in noise
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The N400 Effect during Speaker-Switch—Towards a Conversational Approach of Measuring Neural Correlates of Language
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Influence of vocabulary knowledge & lexical access times on speech intelligibility in different acoustic conditions
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