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dc.contributor.authorJarret, Julien
dc.contributor.authorFerré, Perrine
dc.contributor.authorChedid, Georges
dc.contributor.authorBedetti, Christophe
dc.contributor.authorBoré, Arnaud
dc.contributor.authorJoanette, Yves
dc.contributor.authorRouleau, Isabelle
dc.contributor.authorBrambati, Simona Maria
dc.subjectFunctional MRIfr
dc.subjectDiffusion MRIfr
dc.subjectMultimodal neuroimagingfr
dc.subjectPicture namingfr
dc.titleFunctional network and structural connections involved in picture namingfr
dc.contributor.affiliationUniversité de Montréal. Faculté des arts et des sciences. Département de psychologiefr
dcterms.abstractWe mapped the left hemisphere cortical regions and fiber bundles involved in picture naming in adults by integrating task-based fMRI with dMRI tractography. We showed that a ventral pathway that “maps image and sound to meaning” involves the middle occipital, inferior temporal, superior temporal, inferior frontal gyri, and the temporal pole where a signal exchange is made possible by the inferior fronto-occipital, inferior longitudinal, middle longitudinal, uncinate fasciculi, and the extreme capsule. A dorsal pathway that “maps sound to speech” implicates the inferior temporal, superior temporal, inferior frontal, precentral gyri, and the supplementary motor area where the arcuate fasciculus and the frontal aslant ensure intercommunication. This study provides a neurocognitive model of picture naming and supports the hypothesis that the ventral indirect route passes through the temporal pole. This further supports the idea that the inferior and superior temporal gyri may play pivotal roles within the dual-stream framework of
UdeM.VersionRioxxVersion acceptée / Accepted Manuscriptfr
oaire.citationTitleBrain and languagefr

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