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Maladaptive compensation of right fusiform gyrus in developmental dyslexia: A hub-based white matter network analysis
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In: ISSN: 0010-9452 ; Cortex ; https://hal.archives-ouvertes.fr/hal-03485452 ; Cortex, Elsevier, 2021, 145, pp.57-66. ⟨10.1016/j.cortex.2021.07.016⟩ (2021)
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Impact of literacy on the functional connectivity of vision and language related networks
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In: ISSN: 1053-8119 ; EISSN: 1095-9572 ; NeuroImage ; https://hal.sorbonne-universite.fr/hal-02551991 ; NeuroImage, Elsevier, 2020, 213, pp.116722. ⟨10.1016/j.neuroimage.2020.116722⟩ (2020)
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Reading music and words: The anatomical connectivity of musicians’ visual cortex
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In: ISSN: 1053-8119 ; EISSN: 1095-9572 ; NeuroImage ; https://hal.sorbonne-universite.fr/hal-02553728 ; NeuroImage, Elsevier, 2020, 212, pp.116666. ⟨10.1016/j.neuroimage.2020.116666⟩ (2020)
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Influences of the early family environment and long-term vocabulary development on the structure of white matter pathways: A longitudinal investigation
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In: ISSN: 1878-9293 ; EISSN: 1878-9307 ; Developmental Cognitive Neuroscience ; https://hal.archives-ouvertes.fr/hal-02971250 ; Developmental Cognitive Neuroscience, Elsevier, 2020, 42, pp.100767. ⟨10.1016/j.dcn.2020.100767⟩ (2020)
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| 5 |
Alterations in white matter pathways underlying phonological and morphological processing in Chinese developmental dyslexia
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In: ISSN: 1878-9293 ; EISSN: 1878-9307 ; Developmental Cognitive Neuroscience ; https://hal.archives-ouvertes.fr/hal-02158470 ; Developmental Cognitive Neuroscience, Elsevier, 2018, 31, pp.11-19. ⟨10.1016/j.dcn.2018.04.002⟩ (2018)
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Vocabulary growth rate from preschool to school-age years is reflected in the connectivity of the arcuate fasciculus in 14-year-old children
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In: ISSN: 1363-755X ; EISSN: 1467-7687 ; Developmental Science ; https://hal.archives-ouvertes.fr/hal-02158479 ; Developmental Science, Wiley, 2018, 21 (5), pp.e12647. ⟨10.1111/desc.12647⟩ (2018)
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| 7 |
Alterations in white matter pathways underlying phonological and morphological processing in Chinese developmental dyslexia
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Morphometry of Left Frontal and Temporal Poles Predicts Analogical Reasoning Abilities
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In: ISSN: 1047-3211 ; EISSN: 1460-2199 ; Cerebral Cortex ; https://hal.sorbonne-universite.fr/hal-01299114 ; Cerebral Cortex, Oxford University Press (OUP), 2016, 26 (3), pp.915-932. ⟨10.1093/cercor/bhu254⟩ (2016)
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Reasoning by analogy requires the left frontal pole: lesion-deficit mapping and clinical implications
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In: ISSN: 0006-8950 ; EISSN: 1460-2156 ; Brain - A Journal of Neurology ; https://hal.sorbonne-universite.fr/hal-01307684 ; Brain - A Journal of Neurology , Oxford University Press (OUP), 2016, ⟨10.1093/brain/aww072⟩ (2016)
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| 11 |
A novel frontal pathway underlies verbal fluency in primary progressive aphasia
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Catani, Marco; Mesulam, Marsel M.; Jakobsen, Estrid; Malik, Farah; Martersteck, Adam; Wieneke, Christina; Thompson, Cynthia K.; Thiebaut de Schotten, Michel; Dell’Acqua, Flavio; Weintraub, Sandra; Rogalski, Emily. - : Oxford University Press, 2013
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Abstract:
The frontal aslant tract is a direct pathway connecting Broca’s region with the anterior cingulate and pre-supplementary motor area. This tract is left lateralized in right-handed subjects, suggesting a possible role in language. However, there are no previous studies that have reported an involvement of this tract in language disorders. In this study we used diffusion tractography to define the anatomy of the frontal aslant tract in relation to verbal fluency and grammar impairment in primary progressive aphasia. Thirty-five patients with primary progressive aphasia and 29 control subjects were recruited. Tractography was used to obtain indirect indices of microstructural organization of the frontal aslant tract. In addition, tractography analysis of the uncinate fasciculus, a tract associated with semantic processing deficits, was performed. Damage to the frontal aslant tract correlated with performance in verbal fluency as assessed by the Cinderella story test. Conversely, damage to the uncinate fasciculus correlated with deficits in semantic processing as assessed by the Peabody Picture Vocabulary Test. Neither tract correlated with grammatical or repetition deficits. Significant group differences were found in the frontal aslant tract of patients with the non-fluent/agrammatic variant and in the uncinate fasciculus of patients with the semantic variant. These findings indicate that degeneration of the frontal aslant tract underlies verbal fluency deficits in primary progressive aphasia and further confirm the role of the uncinate fasciculus in semantic processing. The lack of correlation between damage to the frontal aslant tract and grammar deficits suggests that verbal fluency and grammar processing rely on distinct anatomical networks.
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Keyword:
Original Articles
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URL: https://doi.org/10.1093/brain/awt163
http://brain.oxfordjournals.org/cgi/content/short/136/8/2619
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| 12 |
A novel frontal pathway underlies verbal fluency in primary progressive aphasia
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