Interaction of acoustic and neighborhood density parameters on spoken word recognition.

2011 ◽  
Vol 129 (4) ◽  
pp. 2681-2681
Author(s):  
Kathryn L. Cabbage ◽  
Thomas D. Carrell
Keyword(s):  
Word Recognition ◽  
Spoken Word Recognition ◽  
Spoken Word ◽  
Neighborhood Density

Lexical neighborhoods and phonological confusability in cross-dialect word recognition in noise

2010 ◽  
Vol 1 (1) ◽  
Author(s):  
Cynthia G. Clopper ◽  
Janet B. Pierrehumbert ◽  
Terrin N. Tamati
Keyword(s):  
Word Recognition ◽  
Target Word ◽  
Recognition Performance ◽  
Spoken Word Recognition ◽  
Spoken Word ◽  
Neighborhood Density ◽  
Minimal Pair ◽  
Dialect Variation ◽  
Vowel Recognition ◽  
Stimulus Materials

AbstractLexical neighborhood density is a well-known factor affecting phonological categorization in spoken word recognition. The current study examined the interaction between lexical neighborhood density and dialect variation in spoken word recognition in noise. The stimulus materials were real English words produced in two regional American English dialects. To manipulate lexical neighborhood density, target words were selected so that predicted phonological confusions across dialects resulted in real English words in the word-competitor condition and did not result in real English words in the nonword-competitor condition. Word and vowel recognition performance were more accurate in the nonword-competitor condition than the word-competitor condition for both talker dialects. An examination of the responses to specific vowels revealed the role of dialect variation in eliciting this effect. When the predicted phonological confusions were real lexical neighbors, listeners could respond with either the target word or the confusable minimal pair, and were more likely than expected to produce a minimal pair differing from the target by one vowel. When the predicted phonological confusions were not real words, however, the listeners exhibited less lexical competition and responded with the target word or a minimal pair differing by one consonant.

Auditory perception and word recognition in Cantonese-Chinese speaking children with and without Specific Language Impairment

2015 ◽  
Vol 44 (1) ◽  
pp. 1-35
Author(s):  
JOANNA C. KIDD ◽  
KATHY K. SHUM ◽  
ANITA M.-Y. WONG ◽  
CONNIE S.-H. HO ◽  
TERRY K. AU
Keyword(s):  
Word Recognition ◽  
Language Impairment ◽  
Phonological Processing ◽  
Oral Language ◽  
Specific Language Impairment ◽  
Auditory Perception ◽  
Spoken Word Recognition ◽  
Spoken Word ◽  
Neighborhood Density ◽  
Specific Language

AbstractAuditory processing and spoken word recognition difficulties have been observed in Specific Language Impairment (SLI), raising the possibility that auditory perceptual deficits disrupt word recognition and, in turn, phonological processing and oral language. In this study, fifty-seven kindergarten children with SLI and fifty-three language-typical age-matched controls were assessed with a speech-gating task to measure spoken word recognition, psychophysical tasks to measure auditory Frequency Modulation (FM) detection and Frequency Discrimination (FD), and standardized psychometric tests of phonological processing and oral language. As a group, children with SLI took significantly longer than language-typical controls to recognize words with high neighborhood density, perhaps reflecting subpar phonological representations. FM, but not FD, was significantly worse in SLI. However, while both poorer speech-gating performance and poorer auditory thresholds (FM) were evident in SLI, spoken word recognition did not mediate any relation between auditory perception and either phonological processing or oral language.

Relations Among Linguistic and Cognitive Skills and Spoken Word Recognition in Adults With Cochlear Implants

2004 ◽  
Vol 47 (3) ◽  
pp. 496-508 ◽  
Author(s):  
Elizabeth A. Collison ◽  
Benjamin Munson ◽  
Arlene Earley Carney
Keyword(s):  
Speech Perception ◽  
Word Recognition ◽  
Cochlear Implants ◽  
Cognitive Abilities ◽  
Cognitive Skills ◽  
Spoken Word Recognition ◽  
Recognition Task ◽  
Spoken Word ◽  
Neighborhood Density ◽  
Hearing Sensitivity

This study examined spoken word recognition in adults with cochlear implants (CIs) to determine the extent to which linguistic and cognitive abilities predict variability in speech-perception performance. Both a traditional consonant-vowel-consonant (CVC)-repetition measure and a gated-word recognition measure (F. Grosjean, 1996) were used. Stimuli in the gated-word-recognition task varied in neighborhood density. Adults with CIs repeated CVC words less accurately than did age-matched adults with normal hearing sensitivity (NH). In addition, adults with CIs required more acoustic information to recognize gated words than did adults with NH. Neighborhood density had a smaller influence on gated-word recognition by adults with CIs than on recognition by adults with NH. With the exception of 1 outlying participant, standardized, norm-referenced measures of cognitive and linguistic abilities were not correlated with word-recognition measures. Taken together, these results do not support the hypothesis that cognitive and linguistic abilities predict variability in speech-perception performance in a heterogeneous group of adults with CIs. Findings are discussed in light of the potential role of auditory perception in mediating relations among cognitive and linguistic skill and spoken word recognition.

scholarly journals Lexical Neighborhood Density Effects on Spoken Word Recognition and Production in Healthy Aging

2010 ◽  
Vol 65B (5) ◽  
pp. 551-560 ◽  
Author(s):  
V. Taler ◽  
G. P. Aaron ◽  
L. G. Steinmetz ◽  
D. B. Pisoni
Keyword(s):  
Word Recognition ◽  
Healthy Aging ◽  
Spoken Word Recognition ◽  
Spoken Word ◽  
Neighborhood Density ◽  
Density Effects

When Words Compete: Levels of Processing in Perception of Spoken Words

1998 ◽  
Vol 9 (4) ◽  
pp. 325-329 ◽  
Author(s):  
Michael S. Vitevitch ◽  
Paul A. Luce
Keyword(s):  
Word Recognition ◽  
Spoken Word Recognition ◽  
Spoken Word ◽  
Nonsense Word ◽  
Neighborhood Density ◽  
Inhibitory Effects ◽  
Lexical Competition ◽  
Competitive Effects ◽  
Probabilistic Phonotactics ◽  
Lexical Effects

Current theories of spoken-word recognition posit two levels of representation and process: lexical and sublexical. By manipulating probabilistic phonotactics and similarity-neighborhood density, we attempted to determine if these two levels of representation have dissociable effects on processing. Whereas probabilistic phonotactics have been associated with facilitatory effects on recognition, increases in similarity-neighborhood density typically result in inhibitory effects on recognition arising from lexical competition. Our results demonstrated that when the lexical level is invoked using real words, competitive effects of neighborhood density are observed. However, when strong lexical effects are removed by the use of nonsense word stimuli, facilitatory effects of phonotactics emerge. These results are consistent with a two-level framework of process and representation embodied in certain current models of spoken-word recognition.

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