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1
A computational model of reading across development:Effects of literacy onset on language processing
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2
Different processes for reading words learned before and after onset of literacy
Monaghan, Padraic John; Chang, Ya-Ning; Welbourne, Stephen. - : Cognitive Science Society, 2017
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3
Exploring the relations between word frequency, language exposure, and bilingualism in a computational model of reading
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4
Exploring orthographic neighborhood size effects in a computational model of Chinese character naming
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5
Differential Phonological and Semantic Modulation of Neurophysiological Responses to Visual Word Recognition
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6
Mismatch negativity (MMN) reveals inefficient auditory ventral stream function in chronic auditory comprehension impairments
Abstract: BACKGROUND: Auditory discrimination is significantly impaired in Wernicke's aphasia (WA) and thought to be causatively related to the language comprehension impairment which characterises the condition. This study used mismatch negativity (MMN) to investigate the neural responses corresponding to successful and impaired auditory discrimination in WA. METHODS: Behavioural auditory discrimination thresholds of consonant-vowel-consonant (CVC) syllables and pure tones (PTs) were measured in WA (n = 7) and control (n = 7) participants. Threshold results were used to develop multiple deviant MMN oddball paradigms containing deviants which were either perceptibly or non-perceptibly different from the standard stimuli. MMN analysis investigated differences associated with group, condition and perceptibility as well as the relationship between MMN responses and comprehension (within which behavioural auditory discrimination profiles were examined). RESULTS: MMN waveforms were observable to both perceptible and non-perceptible auditory changes. Perceptibility was only distinguished by MMN amplitude in the PT condition. The WA group could be distinguished from controls by an increase in MMN response latency to CVC stimuli change. Correlation analyses displayed a relationship between behavioural CVC discrimination and MMN amplitude in the control group, where greater amplitude corresponded to better discrimination. The WA group displayed the inverse effect; both discrimination accuracy and auditory comprehension scores were reduced with increased MMN amplitude. In the WA group, a further correlation was observed between the lateralisation of MMN response and CVC discrimination accuracy; the greater the bilateral involvement the better the discrimination accuracy. CONCLUSIONS: The results from this study provide further evidence for the nature of auditory comprehension impairment in WA and indicate that the auditory discrimination deficit is grounded in a reduced ability to engage in efficient hierarchical processing and the construction of invariant auditory objects. Correlation results suggest that people with chronic WA may rely on an inefficient, noisy right hemisphere auditory stream when attempting to process speech stimuli.
Keyword: R Medicine (General); RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
URL: http://orca.cf.ac.uk/74865/1/1-s2.0-S0010945214002305-main.pdf
http://orca.cf.ac.uk/74865/
https://doi.org/10.1016/j.cortex.2014.07.009
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7
Modelling Graded Semantic Effects in Lexical Decision
In: Chang, Ya-Ning; Ralph, Matthew Lambon; Furber, Steve; & Welbourne, Stephen. (2013). Modelling Graded Semantic Effects in Lexical Decision. Proceedings of the Cognitive Science Society, 35(35). Retrieved from: http://www.escholarship.org/uc/item/2rh366s1 (2013)
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8
Reconstructing Coherent Networks from Electroencephalography and Magnetoencephalography with Reduced Contamination from Volume Conduction or Magnetic Field Spread
Drakesmith, Mark; El-Deredy, Wael; Welbourne, Stephen. - : Public Library of Science, 2013
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9
Modelling graded semantic effects in lexical decision
Chang, Ya-Ning; Lambon Ralph, Matthew; Furber, Steve. - : Cognitive Science Society, 2013
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10
Reconstructing coherent networks from electroencephalography and magnetoencephalography with reduced contamination from volume conduction or magnetic field spread
Drakesmith, Mark; El-Deredy, Wael; Welbourne, Stephen. - : Public Library of Science, 2013
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11
Computational neuropsychology of language : language processing and its breakdown in aphasia
In: Language processing in the brain (Malden, MA, 2012), p. 661-678
MPI für Psycholinguistik
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12
Modelling normal and impaired letter recognition: Implications for understanding pure alexic reading
Chang, Ya-Ning; Furber, Steve; Welbourne, Stephen. - : Pergamon Press, 2012
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13
“Serial” effects in parallel models of reading
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14
Generating realistic semantic codes for use in neural network models
Chang, Ya-Ning; Furber, Steve; Welbourne, Stephen. - : Cognitive Science Society, 2012
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15
Modelling normal and impaired letter recognition:implications for understanding pure alexic reading
BASE
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16
“Serial” effects in parallel models of reading
Chang, Ya-Ning; Furber, Steve; Welbourne, Stephen. - : Academic Press, 2012
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17
Using parallel distributed processing models to simulate phonological dyslexia: the key role of plasticity-related recovery
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 19 (2007) 7, 1125-1139
BLLDB
OLC Linguistik
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18
Phonological and Surface Dyslexia in a Single PDP Model of Reading
In: Lambon Ralph, Matthew A.; & Welbourne, Stephen R.(2006). Phonological and Surface Dyslexia in a Single PDP Model of Reading. Proceedings of the Cognitive Science Society, 28(28). Retrieved from: http://www.escholarship.org/uc/item/7368b71r (2006)
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19
Using computational, parallel distributed processing networks to model rehabilitation in patients with acquired dyslexia : an initial investigation
In: Aphasiology. - London [u.a.] : Routledge, Taylor & Francis Group 19 (2005) 9, 789-806
BLLDB
OLC Linguistik
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