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Language Experience Impacts Brain Activation for Spoken and Signed Language in Infancy: Insights From Unimodal and Bimodal Bilinguals
Beedie, Indie; Coulson-Thaker, Kimberley; Lloyd-Fox, S.. - : MIT Press - Journals, 2020
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2
Computerised speechreading training for deaf children: A randomised controlled trial
Pimperton, H.; Kyle, F. E.; Hulme, C.. - : American Speech-Language-Hearing Association, 2019
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3
Sign and speech share partially overlapping conceptual representations
Evans, S.; Gutierrez-Sigut, E.; MacSweeney, M.. - : Cell Press, 2019
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4
Language experience influences audiovisual speech integration in unimodal and bimodal bilingual infants
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5
Impact of language experience on attention to faces in infancy: evidence from unimodal and bimodal bilingual infants
Mercure, E.; Quiroz, I.; Goldberg, L.. - : Frontiers Media, 2018
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6
Eye movements during visual speech perception in deaf and hearing children
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7
How auditory experience differentially influences the function of left and right superior temporal cortices
Waters, D.; Twomey, T.; Evans, S.. - : Society for Neuroscience, 2017
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8
Does congenital deafness affect the structural and functional architecture of primary visual cortex?
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9
The relative contributions of speechreading and vocabulary to deaf and hearing children's reading ability
Kyle, F. E.; Campbell, R.; MacSweeney, M.. - : Elsevier, 2016
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10
Examining the contribution of motor movement and language dominance to increased left lateralization during sign generation in native signers
In: Brain and Language , 159 pp. 109-117. (2016) (2016)
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11
Does Congenital Deafness Affect the Structural and Functional Architecture of Primary Visual Cortex?
In: Open Neuroimaging Journal , 10 pp. 1-19. (2016) (2016)
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12
Does Congenital Deafness Affect the Structural and Functional Architecture of Primary Visual Cortex?
Smittenaar, C.R.; MacSweeney, M.; Sereno, M.I.. - : Bentham Open, 2016
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13
Stimulus rate increases lateralisation in linguistic and non-linguistic tasks measured by functional transcranial Doppler sonography.
In: Neuropsychologia , 72 59 - 69. (2015) (2015)
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14
Investigating language lateralization during phonological and semantic fluency tasks using functional transcranial Doppler sonography.
In: Laterality , 20 (1) 49 - 68. (2015) (2015)
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15
Language lateralization of hearing native signers: A functional transcranial Doppler sonography (fTCD) study of speech and sign production
In: Brain and Language , 151 pp. 23-34. (2015) (2015)
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16
Identification of the regions involved in phonological assembly using a novel paradigm.
In: Brain and Language, vol. 150, pp. 45-53 (2015)
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17
Microstructural differences in the thalamus and thalamic radiations in the congenitally deaf
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18
Microstructural differences in the thalamus and thalamic radiations in the congenitally deaf.
In: Neuroimage , 100 pp. 347-357. (2014) (2014)
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19
Cochlear implantation (CI) for prelingual deafness: the relevance of studies of brain organization and the role of first language acquisition in considering outcome success.
In: Frontiers in Human Neuroscience , 8 , Article 834 . (2014) (2014)
Abstract: Cochlear implantation (CI) for profound congenital hearing impairment, while often successful in restoring hearing to the deaf child, does not always result in effective speech processing. Exposure to non-auditory signals during the pre-implantation period is widely held to be responsible for such failures. Here, we question the inference that such exposure irreparably distorts the function of auditory cortex, negatively impacting the efficacy of CI. Animal studies suggest that in congenital early deafness there is a disconnection between (disordered) activation in primary auditory cortex (A1) and activation in secondary auditory cortex (A2). In humans, one factor contributing to this functional decoupling is assumed to be abnormal activation of A1 by visual projections-including exposure to sign language. In this paper we show that that this abnormal activation of A1 does not routinely occur, while A2 functions effectively supramodally and multimodally to deliver spoken language irrespective of hearing status. What, then, is responsible for poor outcomes for some individuals with CI and for apparent abnormalities in cortical organization in these people? Since infancy is a critical period for the acquisition of language, deaf children born to hearing parents are at risk of developing inefficient neural structures to support skilled language processing. A sign language, acquired by a deaf child as a first language in a signing environment, is cortically organized like a heard spoken language in terms of specialization of the dominant perisylvian system. However, very few deaf children are exposed to sign language in early infancy. Moreover, no studies to date have examined sign language proficiency in relation to cortical organization in individuals with CI. Given the paucity of such relevant findings, we suggest that the best guarantee of good language outcome after CI is the establishment of a secure first language pre-implant-however that may be achieved, and whatever the success of auditory restoration.
Keyword: auditory critical period; cochlear implantation outcome; cortical organization of language in deafness; critical period for language development; functional decoupling in auditory cortex; late learning of sign language; prelingual deafness
URL: http://discovery.ucl.ac.uk/1455516/
http://discovery.ucl.ac.uk/1455516/1/WOLLfnhum-08-00834.pdf
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20
Speechreading development in deaf and hearing children: Introducing the test of child speechreading
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