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1
Computer-Based Connected-Text Training of Speech-in-Noise Perception for Cochlear Implant Users
Green, Tim; Faulkner, Andrew; Rosen, Stuart. - : SAGE Publications, 2019
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2
Speech comprehension aided by multiple modalities: behavioural and neural interactions
Abstract: Speech comprehension is a complex human skill, the performance of which requires the perceiver to combine information from several sources – e.g. voice, face, gesture, linguistic context – to achieve an intelligible and interpretable percept. We describe a functional imaging investigation of how auditory, visual and linguistic information interact to facilitate comprehension. Our specific aims were to investigate the neural responses to these different information sources, alone and in interaction, and further to use behavioural speech comprehension scores to address sites of intelligibility-related activation in multifactorial speech comprehension. In fMRI, participants passively watched videos of spoken sentences, in which we varied Auditory Clarity (with noise-vocoding), Visual Clarity (with Gaussian blurring) and Linguistic Predictability. Main effects of enhanced signal with increased auditory and visual clarity were observed in overlapping regions of posterior STS. Two-way interactions of the factors (auditory × visual, auditory × predictability) in the neural data were observed outside temporal cortex, where positive signal change in response to clearer facial information and greater semantic predictability was greatest at intermediate levels of auditory clarity. Overall changes in stimulus intelligibility by condition (as determined using an independent behavioural experiment) were reflected in the neural data by increased activation predominantly in bilateral dorsolateral temporal cortex, as well as inferior frontal cortex and left fusiform gyrus. Specific investigation of intelligibility changes at intermediate auditory clarity revealed a set of regions, including posterior STS and fusiform gyrus, showing enhanced responses to both visual and linguistic information. Finally, an individual differences analysis showed that greater comprehension performance in the scanning participants (measured in a post-scan behavioural test) were associated with increased activation in left inferior frontal gyrus and left posterior STS. The current multimodal speech comprehension paradigm demonstrates recruitment of a wide comprehension network in the brain, in which posterior STS and fusiform gyrus form sites for convergence of auditory, visual and linguistic information, while left-dominant sites in temporal and frontal cortex support successful comprehension.
Keyword: Article
URL: http://www.ncbi.nlm.nih.gov/pubmed/22266262
https://doi.org/10.1016/j.neuropsychologia.2012.01.010
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4050300
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3
Inferior frontal gyrus activation predicts individual differences in perceptual learning of cochlear-implant simulations
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4
Speech perception and auditory impairment : the roles of temporal and spectral information
In: Listening to speech (Mahwah, NJ, 2006), p. 315-329
MPI für Psycholinguistik
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5
Effect of audiovisual perceptual training on the perception and production of consonants by Japanese learners of English
In: Speech communication. - Amsterdam [u.a.] : Elsevier 47 (2005) 3, 360-378
BLLDB
OLC Linguistik
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6
Enhancement of temporal periodicity cues in cochlear implants: effects on prosodic perception and vowel identification.
In: ISSN: 0001-4966 ; EISSN: 1520-8524 ; Journal of the Acoustical Society of America ; https://hal.archives-ouvertes.fr/hal-00905000 ; Journal of the Acoustical Society of America, Acoustical Society of America, 2005, 118 (1), pp.375-85 (2005)
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7
Spectral and temporal cues to pitch in noise-excited vocoder simulations of continuous-interleaved-sampling cochlear implants
In: Acoustical Society of America. The journal of the Acoustical Society of America. - Melville, NY : AIP 112 (2002) 5,1, 2155-2164
BLLDB
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8
Auditory-visual L2 speech perception : effects of visual cues and acoustic-phonetic context for Spanish learners of English
In: M. Böhning, R. Campbell and A. Karmilof-Smith (Santa Cruz, 2001), p. 149-154
MPI für Psycholinguistik
9
Effects of the salience of pitch and periodicity information on the intelligibility of four-channel vocoded speech : implications for cochlear implants
In: Acoustical Society of America. The journal of the Acoustical Society of America. - Melville, NY : AIP 108 (2000) 4, 1877-1887
BLLDB
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10
Contributions of temporal encodings of voicing, voicelessness, fundamental frequency, and amplitude variation to audio-visual and auditory speech perception
In: Acoustical Society of America. The journal of the Acoustical Society of America. - Melville, NY : AIP 106 (1999) 4,1, 2063-2073
BLLDB
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11
Adaptation by normal listeners to upward spectral shifts of speech : implications for cochlear implants
In: Acoustical Society of America. The journal of the Acoustical Society of America. - Melville, NY : AIP 106 (1999) 6, 3629-3636
BLLDB
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12University College London - Speech Hearing and Phonetic Sciences
https://www.ucl.ac.uk/pals/research/speech-hearing-and-phonetic-sciences
Topic: Clinical linguistics / Neurolinguistics; Computational linguistics; Language acquisition; ...
Source type: Institutes
Access: free access

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