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Université de Neuchâtel

The Nonverbal Processing of Actions Is an Area of Relative Strength in the Semantic Variant of Primary Progressive Aphasia

Auclair-Ouellet, Noémie ; Fossard, Marion ; Macoir, Joël ; Laforce, Robert

In: Journal of Speech, Language, and Hearing Research (JSLHR), 2020, p. 1-16

Purpose Better performance for actions compared to objects has been reported in the semantic variant of primary progressive aphasia (svPPA). This study investigated the influence of the assessment task (naming, semantic picture matching) over the dissociation between objects and actions. Method Ten individuals with svPPA and 17 matched controls completed object and...

Université de Neuchâtel

The role of Basal Ganglia in Language Production: evidence from Parkinson's disease

Macoir, Joël ; Fossard, Marion ; Mérette, Chantal ; Langlois, Mélanie ; Chantal, Sophie ; Auclair-Ouellet, Noémie

In: Journal of Parkinson's Disease, 2013, vol. 3, p. 393-397

According to the dominant view in the literature, basal ganglia do not play a direct role in language but are involved in cognitive control required by linguistic and non-linguistic processing. In Parkinson's disease, basal ganglia impairment leads to motor symptoms and language deficits; those affecting the production of verbs have been frequently explored. According to a controversial theory,...

Université de Neuchâtel

Les troubles morphologiques flexionnels dans la maladie de Parkinson : origine procédurale et/ou exécutive ?

Macoir, Joël ; Fossard, Marion ; Auclair-Ouellet, Noémie

In: Revue Française de Linguistique Appliquée, 2012, vol. 17, no. 2, p. 101-115

Parkinson’s disease is a neurodegenerative neurological condition characterized by motor deficits but also by cognitive deficits affecting working memory, declarative memory and attentional capacities. With respect to language, the disease is also marked by the impairment of inflectional morphological processes. In this article, we present and discuss the respective supports to the procedural...

Université de Neuchâtel

Toward an Executive Origin for Acquired Phonological Dyslexia: A Case of Specific Deficit of Context-Sensitive Grapheme-to-Phoneme Conversion Rules

Auclair-Ouellet, Noémie ; Fossard, Marion ; St-Pierre Catherine ; Macoir, Joël

In: Behavioural Neurology, 2013, vol. 26, p. 171-173

Phonological dyslexia is a written language disorder characterized by poor reading of nonwords when compared with relatively preserved ability in reading real words. In this study, we report the case of FG, a 74-year-old man with phonological dyslexia. The nature and origin of his reading impairment were assessed using tasks involving activation and explicit manipulation of phonological...

Université de Neuchâtel

Production of morphologically derived words in the semantic variant of primary progressive aphasia: preserved decomposition and composition but impaired validation

Auclair-Ouellet, Noémie ; Fossard, Marion ; Houde, M. ; Laforce, R. ; Macoir, Joël

In: Neurocase: The Neural Basis of Cognition, 2016, vol. 22, no. 2, p. 170-178

Although there is growing interest in inflectional morphology in semantic variant primary progressive aphasia (svPPA), derivational morphology has rarely been studied in this population. This study reports the performance of N.G., a 72-year-old-woman with svPPA in a verb production task designed to entail morphological processing (composition, decomposition) and self-appraisal of her productions....

Université de Neuchâtel

Inflectional Morphology in Fluent Aphasia: A Case Study in a Highly Inflected Language

Auclair-Ouellet, Noémie ; Pythoud, Pauline ; Koenig-Bruhin, Monica ; Fossard, Marion

In: Language and Speech, 2018, p. 1-10

Inflectional morphology difficulties are typically reported in non-fluent aphasia with agrammatism, but a growing number of studies show that they can also be present in fluent aphasia. In agrammatism, morphological difficulties are conceived as the consequence of impaired phonological encoding and would affect regular verbs more than irregular verbs. However, studies show that inflectional...

Université de Neuchâtel

Conception or *conceivation? The processing of derivational morphology in semantic dementia

Auclair-Ouellet, Noémie ; Fossard, Marion ; Laforce Jr., Robert ; Bier, Nathalie ; Macoir, Joël

In: Aphasiology, 2016, p. 1-23

Background: Only a few studies have focused on derivational morphology in semantic dementia (SD). The productive and componential nature of derivational morphology as well as recent findings in psycholinguistics suggest that semantic cognition would be involved in the production and comprehension of derivational morphemes and derived words. Therefore, participants with SD might present...

Université de Neuchâtel

Regularity and beyond: Impaired production and comprehension of inflectional morphology in semantic dementia

Auclair-Ouellet, Noémie ; Macoir, Joël ; Laforce Jr., Robert ; Bier, Nathalie ; Fossard, Marion

In: Brain and Language, 2016, vol. 155-156, p. 1-11

Studies on inflectional morphology in semantic dementia (SD) have focused on the contrast between the regular and the irregular English past-tense. These studies aimed to contrast the claims of single- and dual-mechanism theories. However, both theories can account for impaired production of irregular verbs observed in SD. According to the dual-mechanism theory, this impairment is related to...

Université de Neuchâtel

Recommandations consensuelles pour la description de trois variantes de l’aphasie primaire progressive : limites et controverses quant aux troubles du langage

Auclair-Ouellet, Noémie ; Fossard, Marion ; Macoir, Joël

In: Gériatrie et Psychologie Neuropsychiatrie du Vieillissement, 2015, vol. 13, no. 4, p. 441-451

Des recommandations consensuelles donnant une description des critères permettant de poser le diagnostic des trois variantes d’aphasie primaire progressive (APP) ont été publiées en 2011. Depuis leur publication, ces recommandations ont fait l’objet de critiques qui ont récemment mené à la proposition de leur révision. Cet article propose une description des ensembles de critères qui...

Université de Neuchâtel

Implication de la mémoire sémantique dans les opérations de morphologie flexionnelle et dérivationnelle

Auclair-Ouellet, Noémie ; Fossard, Marion, Université de Neuchâtel (Dir.) ; Macoir, Joël, Université Laval (Dir.) ; Wilson, Maximiliano (Codir.) ; Saussure, Louis de (Codir.) ; Démonet, Jean-François (Codir.) ; Gonnerman, Laura (Codir.)

Thèse de doctorat : Université de Neuchâtel, 2015.

Introduction: Several models claim that semantic memory plays a role in the operations that underlie inflectional and derivational morphology. However, more studies are needed to understand how and to what extent semantic memory is involved in morphology. Aims: This thesis dissertation has the aim to specify the involvement of semantic memory in structural (morpheme combinations,...