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The Nonverbal Processing of Actions Is an Area of Relative Strength in the Semantic Variant of Primary Progressive Aphasia
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Abstract:
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 action naming tests, and object and action semantic picture matching tests. Performance was compared between the svPPA and control groups, within the svPPA group, and for each participant with svPPA versus the control group individually. Results Compared to controls, participants with svPPA were impaired on object and action naming, and object and action semantic picture matching. As a group, participants with svPPA had an advantage for actions over objects and for semantic picture matching tests over naming tests. Eight participants had a better performance for actions compared to objects in naming, with three showing a significant difference. Nine participants had a better performance for actions compared to objects in semantic picture matching, with six showing a significant difference. For objects, semantic picture matching was better than naming in nine participants, with five showing a significant difference. For actions, semantic picture matching was better than naming in all 10 participants, with nine showing a significant difference. Conclusion The nonverbal processing of actions, as assessed with a semantic picture matching test, is an area of relative strength in svPPA. Clinical implications for assessment planning and interpretation and theoretical implications for current models of semantic cognition are discussed.
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URL: http://doc.rero.ch/record/328114/files/Auclair-Ouellet_No_mie_-_The_Nonverbal_Processing_of_Actions.pdf
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| 2 |
Inflectional Morphology in Fluent Aphasia: A Case Study in a Highly Inflected Language
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Les troubles morphologiques flexionnels dans la maladie de Parkinson : origine procédurale et/ou exécutive ?
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Production of morphologically derived words in the semantic variant of primary progressive aphasia: preserved decomposition and composition but impaired validation
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Toward an Executive Origin for Acquired Phonological Dyslexia: A Case of Specific Deficit of Context-Sensitive Grapheme-to-Phoneme Conversion Rules
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The role of Basal Ganglia in Language Production: evidence from Parkinson's disease
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Conception or *conceivation? The processing of derivational morphology in semantic dementia
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Recommandations consensuelles pour la description de trois variantes de l’aphasie primaire progressive : limites et controverses quant aux troubles du langage
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Regularity and beyond: Impaired production and comprehension of inflectional morphology in semantic dementia
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Toward an Executive Origin for Acquired Phonological Dyslexia: A Case of Specific Deficit of Context-Sensitive Grapheme-to-Phoneme Conversion Rules
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Phonological or procedural dyslexia: Specific deficit of complex grapheme-to-phoneme conversion
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