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The white matter architecture underlying semantic processing : a systematic review

Elissa-Marie Cocquyt (UGent) , Ellen Lanckmans (UGent) , Pieter van Mierlo (UGent) , Wouter Duyck (UGent) , Arnaud Szmalec (UGent) , Patrick Santens (UGent) and Miet De Letter (UGent)
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Abstract
From a holistic point of view, semantic processes are subserved by large-scale subcortico-cortical networks. The dynamic routing of information between grey matter structures depends on the integrity of subcortical white matter pathways. Nonetheless, controversy remains on which of these pathways support semantic processing. Therefore, a systematic review of the literature was performed with a focus on anatomo-functional correlations obtained from direct electrostimulation during awake tumor surgery, and conducted between diffusion tensor imaging metrics and behavioral semantic performance in healthy and aphasic individuals. The 43 included studies suggest that the left inferior fronto-occipital fasciculus contributes to the essential connectivity that allows semantic processing. However, it remains uncertain whether its contributive role is limited to the organization of semantic knowledge or extends to the level of semantic control. Moreover, the functionality of the left uncinate fasciculus, inferior longitudinal fasciculus and the posterior segment of the indirect arcuate fasciculus in semantic processing has to be confirmed by future research.
Keywords
Semantics, White matter, Awake surgery, Diffusion tensor imaging, Systematic review, INFERIOR LONGITUDINAL FASCICULUS, MILD COGNITIVE IMPAIRMENT, ANATOMO-FUNCTIONAL CONNECTIVITY, FRONTO-OCCIPITAL FASCICULUS, ANTERIOR TEMPORAL-LOBE, UNCINATE FASCICULUS, PREFRONTAL CORTEX, NEURAL BASIS, SUBCORTICAL LANGUAGE, VISUAL RECOGNITION

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MLA
Cocquyt, Elissa-Marie, et al. “The White Matter Architecture Underlying Semantic Processing : A Systematic Review.” NEUROPSYCHOLOGIA, vol. 136, 2020, doi:10.1016/j.neuropsychologia.2019.107182.
APA
Cocquyt, E.-M., Lanckmans, E., van Mierlo, P., Duyck, W., Szmalec, A., Santens, P., & De Letter, M. (2020). The white matter architecture underlying semantic processing : a systematic review. NEUROPSYCHOLOGIA, 136. https://doi.org/10.1016/j.neuropsychologia.2019.107182
Chicago author-date
Cocquyt, Elissa-Marie, Ellen Lanckmans, Pieter van Mierlo, Wouter Duyck, Arnaud Szmalec, Patrick Santens, and Miet De Letter. 2020. “The White Matter Architecture Underlying Semantic Processing : A Systematic Review.” NEUROPSYCHOLOGIA 136. https://doi.org/10.1016/j.neuropsychologia.2019.107182.
Chicago author-date (all authors)
Cocquyt, Elissa-Marie, Ellen Lanckmans, Pieter van Mierlo, Wouter Duyck, Arnaud Szmalec, Patrick Santens, and Miet De Letter. 2020. “The White Matter Architecture Underlying Semantic Processing : A Systematic Review.” NEUROPSYCHOLOGIA 136. doi:10.1016/j.neuropsychologia.2019.107182.
Vancouver
1.
Cocquyt E-M, Lanckmans E, van Mierlo P, Duyck W, Szmalec A, Santens P, et al. The white matter architecture underlying semantic processing : a systematic review. NEUROPSYCHOLOGIA. 2020;136.
IEEE
[1]
E.-M. Cocquyt et al., “The white matter architecture underlying semantic processing : a systematic review,” NEUROPSYCHOLOGIA, vol. 136, 2020.
@article{8626820,
  abstract     = {From a holistic point of view, semantic processes are subserved by large-scale subcortico-cortical networks. The dynamic routing of information between grey matter structures depends on the integrity of subcortical white matter pathways. Nonetheless, controversy remains on which of these pathways support semantic processing. Therefore, a systematic review of the literature was performed with a focus on anatomo-functional correlations obtained from direct electrostimulation during awake tumor surgery, and conducted between diffusion tensor imaging metrics and behavioral semantic performance in healthy and aphasic individuals. The 43 included studies suggest that the left inferior fronto-occipital fasciculus contributes to the essential connectivity that allows semantic processing. However, it remains uncertain whether its contributive role is limited to the organization of semantic knowledge or extends to the level of semantic control. Moreover, the functionality of the left uncinate fasciculus, inferior longitudinal fasciculus and the posterior segment of the indirect arcuate fasciculus in semantic processing has to be confirmed by future research.},
  articleno    = {107182},
  author       = {Cocquyt, Elissa-Marie and Lanckmans, Ellen and van Mierlo, Pieter and Duyck, Wouter and Szmalec, Arnaud and Santens, Patrick and De Letter, Miet},
  issn         = {0028-3932},
  journal      = {NEUROPSYCHOLOGIA},
  keywords     = {Semantics,White matter,Awake surgery,Diffusion tensor imaging,Systematic review,INFERIOR LONGITUDINAL FASCICULUS,MILD COGNITIVE IMPAIRMENT,ANATOMO-FUNCTIONAL CONNECTIVITY,FRONTO-OCCIPITAL FASCICULUS,ANTERIOR TEMPORAL-LOBE,UNCINATE FASCICULUS,PREFRONTAL CORTEX,NEURAL BASIS,SUBCORTICAL LANGUAGE,VISUAL RECOGNITION},
  language     = {eng},
  pages        = {20},
  title        = {The white matter architecture underlying semantic processing : a systematic review},
  url          = {http://dx.doi.org/10.1016/j.neuropsychologia.2019.107182},
  volume       = {136},
  year         = {2020},
}

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