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Developing Language-specific Screening Tools: Assessing Phonological Awareness Skills in Urdu-English Bilingual Children
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Faciliter les échanges avec les personnes vivant avec un trouble de la communication : une formation pour les chauffeur·e·s de transport adapté
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Développement bilingue de la phonologie chez les enfants allophones d’âge préscolaire
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Comprendre la situation d’interaction entre des personnes vivant avec de l’aphasie et les interlocuteurs non-familiers de leur communauté
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Predictors of Post-stroke Aphasia Recovery
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Abstract:
In order to elucidate the critical factors that bring about treatment-induced language improvements, researchers have investigated many predictors of aphasia recovery; however, the evidence is often mixed. The mechanisms underlying differential responses to therapy have yet to be delineated. In this dissertation, it was hypothesized that factors which stimulate access to- and induce (re)learning of linguistic content may hold important predictive value. Chapter 1 is a review of existing research on three such factors, i) responsiveness to cues, ii) during-treatment improvement with repeated practice of the treatment protocol, and iii) executive control (EC). Chapter 2 presents treatment data from ten individuals with chronic post-stroke aphasia, who received a structured, phonological therapy for anomia. Group analyses revealed significant short- and long-term treatment gains and generalization. Computational modelling of speech error production pre- to post-treatment suggests that generalization was mediated by a strengthening of lexical-phonological connections. Individual treatment outcomes additionally demonstrated differential response to treatment among participants. The predictors of these outcomes were subsequently examined. Responsiveness to cues emerged as a significant predictor of overall naming improvements immediately post-treatment, while early improvement in therapy was predictive of generalization at follow-up. In Chapter 3, current evidence on the predictive value of EC in aphasia treatment outcomes was systematically reviewed. The studies reviewed (N =15) were heterogeneous with respect to the treatment approaches taken, and the EC tasks used. In addition, EC was poorly defined; EC task selection was broad and often lacking theoretical rationale. Nevertheless, EC abilities emerged as important indicators of treatment outcomes, especially in studies using specific EC tasks and structured treatment approaches. In Chapter 4, the predictive value of EC on treatment outcomes was investigated in the same sample of ten individuals from Chapter 2. Addressing some of the limitations identified in the existing literature, EC was defined and measured based on a theoretical framework and using a large battery of specific tasks. EC emerged as a robust predictor of treatment maintenance, suggesting a critical role for EC in encoding and consolidating treatment-related (re)learning. In Chapter 5 these findings are summarized and their broader implications for aphasia rehabilitation are discussed. ; Ph.D.
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Keyword:
0460; anomia; aphasia; executive control; intervention; prognosis; therapy
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URL: http://hdl.handle.net/1807/97641
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Développement d’une nouvelle thérapie ciblant l’anomie des verbes d’action : validation comportementale et exploration des corrélats neurofonctionnels de ses effets dans les cas d’aphasie
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Corrélats neurofonctionnels des habiletés lexico-sémantiques selon le décours et les expériences de vie
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Assessment, Control and Modification of Oral-nasal Balance in Speech
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The Speech Movement Disorder and its Rehabilitation in Parkinson’s Disease Using Augmented Visual Feedback
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Favoriser l'évolution des pratiques orthophoniques en réadaptation vers la participation sociale des personnes ayant une aphasie
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Babillage et diversification alimentaire : pratiques et influence de l'exposition aux textures sur le contrôle oro-moteur
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Characterizing the Motor Deficits in Children with Specific Language Impairment
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A Mixed Methods Cross-Cultural Investigation of Conversational Turn Taking in Families of Children with Hearing Loss
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In Search of an Effective Method of Measuring Aboriginal Children's Speech and Language Development
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Analyse de l'effet d'âge et du sexe sur l'utilisation des symboles graphiques
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Relations entre les orthophonistes et les proches de personnes aphasiques en contexte de réadaptation
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Multimodal Targets in Speech Production: Acoustic, Articulatory and Dynamic Eevidence from Formant Perturbation
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An Investigation of the Predictors of Emergent Literacy Skills in Junior Kindergarten
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Relations entre les orthophonistes et les proches de personnes aphasiques en contexte de réadaptation
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