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Who is Right? A Word-Identification-in-Noise Test for Young Children Using Minimal Pair Distracters
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Speech-in-speech perception, non-verbal selective attention, and musical training
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Language Development and Impairment in Children with Mild to Moderate Sensorineural Hearing Loss
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In: Journal of Speech, Language, and Hearing Research (2017) (In press). (2017)
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Visual Speech Perception in Children With Language Learning Impairments
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In: JOURNAL OF SPEECH LANGUAGE AND HEARING RESEARCH , 59 (1) pp. 1-14. (2016) (2016)
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Getting the Cocktail Party Started: Masking Effects in Speech Perception.
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In: J Cogn Neurosci , 28 (3) pp. 483-500. (2016) (2016)
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Effects of language experience on pre-categorical perception: Distinguishing general from specialized processes in speech perception
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In: Journal Of The Acoustical Society Of America , 139 (4) pp. 1799-1809. (2016) (2016)
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On The (Un)importance of Working Memory in Speech-in-Noise Processing for Listeners with Normal Hearing Thresholds
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In: FRONTIERS IN PSYCHOLOGY , 7 (ARTN 126) (2016) (2016)
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Getting the Cocktail Party Started: Masking Effects in Speech Perception
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Visual Speech Perception in Children With Language Learning Impairments
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Sine-wave and noise-vocoded sine-wave speech in a tone language: Acoustic details matter
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In: Journal of the Acoustical Society of America , 138 (6) pp. 3698-3702. (2015) (2015)
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The role of vowel phonotactics in native speech segmentation
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In: Journal of Phonetics , 49 , Article C. (2015) (2015)
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Getting the cocktail party started: masking effects in speech perception
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Therapy for Auditory Processing Impairment in Aphasia: An evaluation of two approaches
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Therapy for auditory processing impairment in aphasia: An evaluation of two approaches
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In: APHASIOLOGY , 28 (12) 1481 - 1505. (2014) (2014)
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Speech Perception and Production by Sequential Bilingual Children: A Longitudinal Study of Voice Onset Time Acquisition.
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In: Child Development , 85 (5) pp. 1965-1980. (2014) (2014)
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Speech perception and production by sequential bilingual children: a longitudinal study of voice onset time acquisition.
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In: Child Dev , 85 (5) 1965 - 1980. (2014) (2014)
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Lexico-semantic and acoustic-phonetic processes in the perception of noise-vocoded speech: implications for cochlear implantation.
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In: Front Syst Neurosci , 8 , Article 18. (2014) (2014)
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Abstract:
Noise-vocoding is a transformation which, when applied to speech, severely reduces spectral resolution and eliminates periodicity, yielding a stimulus that sounds "like a harsh whisper" (Scott et al., 2000, p. 2401). This process simulates a cochlear implant, where the activity of many thousand hair cells in the inner ear is replaced by direct stimulation of the auditory nerve by a small number of tonotopically-arranged electrodes. Although a cochlear implant offers a powerful means of restoring some degree of hearing to profoundly deaf individuals, the outcomes for spoken communication are highly variable (Moore and Shannon, 2009). Some variability may arise from differences in peripheral representation (e.g., the degree of residual nerve survival) but some may reflect differences in higher-order linguistic processing. In order to explore this possibility, we used noise-vocoding to explore speech recognition and perceptual learning in normal-hearing listeners tested across several levels of the linguistic hierarchy: segments (consonants and vowels), single words, and sentences. Listeners improved significantly on all tasks across two test sessions. In the first session, individual differences analyses revealed two independently varying sources of variability: one lexico-semantic in nature and implicating the recognition of words and sentences, and the other an acoustic-phonetic factor associated with words and segments. However, consequent to learning, by the second session there was a more uniform covariance pattern concerning all stimulus types. A further analysis of phonetic feature recognition allowed greater insight into learning-related changes in perception and showed that, surprisingly, participants did not make full use of cues that were preserved in the stimuli (e.g., vowel duration). We discuss these findings in relation cochlear implantation, and suggest auditory training strategies to maximize speech recognition performance in the absence of typical cues.
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Keyword:
cochlear implants; individual differences; speech perception
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URL: http://discovery.ucl.ac.uk/1425057/1/fnsys-08-00018.pdf http://discovery.ucl.ac.uk/1425057/
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Processing of phonological variation in children with hearing loss: compensation for English place assimilation in connected speech.
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In: J Speech Lang Hear Res , 57 (3) 1127 - 1134. (2014) (2014)
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Exploring the roles of spectral detail and intonation contour in speech intelligibility: an FMRI study.
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In: J Cogn Neurosci , 26 (8) 1748 - 1763. (2014) (2014)
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The role of auditory and cognitive factors in understanding speech in noise by normal-hearing older listeners.
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In: Front Aging Neurosci , 6 , Article 307. (2014) (2014)
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