Cited by 206Advanced Neuroimaging Techniques and ApplicationsFunctional Brain Connectivity StudiesNeurological disorders and treatments

Mapping critical cortical hubs and white matter pathways by direct electrical stimulation: an original functional atlas of the human brain

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Sarubbo, Silvio, Tate, Matthew, De Benedictis, Alessandro, Merler, Stefano, Moritz-Gasser, Sylvie, Herbet, Guillaume, Duffau, Hugues·2020·NeuroImage

Abstract

OBJECTIVE: The structural and functional organization of brain networks subserving basic daily activities (i.e. language, visuo-spatial cognition, movement, semantics, etc.) are not completely understood to date. Here, we report the first probabilistic cortical and subcortical atlas of critical structures mediating human brain functions based on direct electrical stimulation (DES), a well-validated tool for the exploration of cerebral processing and for performing safe surgical interventions in eloquent areas. METHODS: We collected 1162 cortical and 659 subcortical DES responses during testing of 16 functional domains in 256 patients undergoing awake surgery. Spatial coordinates for each functional response were calculated, and probability distributions for the entire patient cohort were mapped onto a standardized three-dimensional brain template using a multinomial statistical analysis. In addition, matching analyses were performed against prior established anatomy-based cortical and white matter (WM) atlases. RESULTS: The probabilistic maps for each functional domain were provided. The topographical analysis demonstrated a wide spatial distribution of cortical functional responses, while subcortical responses were more restricted, localizing to known WM pathways. These DES-derived data showed reliable matching with existing cortical and WM atlases as well as recent neuroimaging and neurophysiological data. CONCLUSIONS: We present the first integrated and comprehensive cortical-subcortical atlas of structures essential for humans' neural functions based on highly-specific DES mapping during real-time neuropsychological testing. This novel atlas can serve as a complementary tool for neuroscientists, along with data obtained from other modalities, to improve and refine our understanding of the functional anatomy of critical brain networks.

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  • Combining tractography atlases with intraoperative electrical stimulation has produced probabilistic atlases of white matter pathways and structural hubs defining a minimal common brain connectome with low inter-individual variability and low potential for post-lesional compensation.

    “By combining tractography atlases with intraoperative electrical stimulation for functional mapping, researchers have constructed probabilistic atlases of white matter pathways and structural hubs that define a minimal common brain connectome with a low inter-individual variability and a low potential of post-lesional compensation (Herbet et al., 2016; Sarubbo et al., 2020).”

    From Quantitative mapping of the brain’s structural connectivity using diffusion MRI tractography: A review (2022) · cites this paper as Sarubbo et al., 2020

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  1. [7]Maier-Hein KH The challenge of mapping the human connectome based on diffusion tractography. Nat. Commun 8, (2017). PMC5677006 29116093
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Authors
Sarubbo, S., Tate, M., De Benedictis, A., Merler, S., Moritz-Gasser, S., Herbet, G., & Duffau, H.
Affiliations
  • Provincia Autonoma di Trento (IT)
  • Northwestern University (US)
  • Fondazione Bruno Kessler (IT)
  • Inserm (FR)
Corresponding author
Sarubbo, Silvio
Venue
NeuroImage
Publisher
Elsevier BV
Published
2020-01
Volume
205
Pages
116237
ISSN
1053-8119 (ISSN-L)
OpenAlex
W2981249254
Cited by
206
References
81
Citations by year
2026: 22 · 2025: 35 · 2024: 18 · 2023: 35 · 2022: 35 · 2021: 41 · 2020: 18 · 2019: 2
FWCI
15.87
Type
journal article
Language
en
Open access
Locations
  • NeuroImage (publishedVersion, cc-by-nc-nd)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • Iris (University of Trento) (submittedVersion, cc-by-nc-nd)
  • HAL (submittedVersion, cc-by-nc-nd)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health
  • National Center for Advancing Translational Sciences (KL2TR001424, MT)
Topics
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Advanced Neuroimaging Techniques and Applications
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
  • Health Sciences › Medicine › Neurology › Neurological disorders and treatments
Keywords
direct electrical stimulation, cortical hubs, white matter tracts, subcortical structures, awake craniotomy, eloquent brain areas, probabilistic mapping, brain networks, language, visuospatial cognition, movement, semantics, neurosurgical planning
MeSH terms
Adult, Atlases as Topic, Brain Mapping, Cerebral Cortex, Electric Stimulation, Humans, Magnetic Resonance Imaging, Neural Pathways, Neurosurgical Procedures, Preoperative Period, White Matter

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