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Editorial: Word Morphology and Written Language Acquisition: Insights From Typical and Atypical Development in Different Orthographies
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Differential language network functional connectivity alterations in Alzheimer's disease and the semantic variant of primary progressive aphasia
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Visual and auditory perceptual strength norms for 3,596 French nouns and their relationship with other psycholinguistic variables
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L'impact des variables sémantiques sur le traitement des mots
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The role of the hippocampus in the semantic variant of primary progressive aphasia : a resting‐state fcMRI study
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Abstract:
The goal of the study was to determine whether the semantic variant of primary progressive aphasia (svPPA) affects the intrinsic connectivity network anchored to left and right anterior hippocampus, but spares the posterior hippocampus. A resting‐state functional connectivity MRI (rs‐fcMRI) study was conducted in a group of patients with svPPA and in controls, using a seed‐to‐voxel approach. In comparison to controls, massively reduced connectivity was found in the anterior hippocampus, mainly the left one, for svPPA patients but not in the left or right posterior hippocampus. In svPPA, the anterior hippocampus showed reduced functional connectivity with regions implicated in the semantic memory network. Significant correlation was also found between the functional connectivity strength of the left anterior hippocampus and the ventromedial cortex, and performance in semantic tasks. These findings indicate that the functional disconnection of the anterior hippocampus may be a promising in vivo biomarker of svPPA and illustrate the role of this hippocampal subregion in the semantic memory system.
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Keyword:
CONN toolbox; Hippocampus; Resting‐state functional connectivity; Semantic memory; Semantic variant of primary progressive aphasia
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URL: http://hdl.handle.net/1866/24990 https://doi.org/10.1002/hipo.23156
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Norms of concept familiarity and emotional valence for 3,596 French nouns and their contribution in lexical decision
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The Role of the Left Anterior Temporal Lobe for Unpredictable and Complex Mappings in Word Reading
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The role of the left anterior temporal lobe for unpredictable and complex mappings in word reading
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Comprehension of concrete and abstract words in semantic variant primary progressive aphasia and Alzheimer’s disease: a behavioral and neuroimaging study
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Naming unique entities in the semantic variant of primary progressive aphasia and Alzheimer's disease : Towards a better understanding of the semantic impairment
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Bilingual lexical selection as a dynamic process:evidence from Arabic-French bilinguals
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La sémantique, la lecture de mots irréguliers et les lobes temporaux antérieurs
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Semantic Dementia without Surface Dyslexia in Spanish: Unimpaired Reading with Impaired Semantics
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'priming' sintáctico en la producción de oraciones en español: acerca de la representación sintáctica de los verbos
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In: RLA. - Concepción 46 (2008) 2, 11-27
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BLLDB
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