Tumour-infiltrated cortex participates in large-scale cognitive circuits
Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved..
The extent to which tumour-infiltrated brain tissue contributes to cognitive function remains unclear. We tested the hypothesis that cortical tissue infiltrated by diffuse gliomas participates in large-scale cognitive circuits using a unique combination of intracranial electrocorticography (ECoG) and resting-state functional magnetic resonance (fMRI) imaging in four patients. We also assessed the relationship between functional connectivity with tumour-infiltrated tissue and long-term cognitive outcomes in a larger, overlapping cohort of 17 patients. We observed significant task-related high gamma (70-250 Hz) power modulations in tumour-infiltrated cortex in response to increased cognitive effort (i.e., switch counting compared to simple counting), implying preserved functionality of neoplastic tissue for complex tasks probing executive function. We found that tumour locations corresponding to task-responsive electrodes exhibited functional connectivity patterns that significantly co-localised with canonical brain networks implicated in executive function. Specifically, we discovered that tumour-infiltrated cortex with larger task-related high gamma power modulations tended to be more functionally connected to the dorsal attention network (DAN). Finally, we demonstrated that tumour-DAN connectivity is evident across a larger cohort of patients with gliomas and that it relates to long-term postsurgical outcomes in goal-directed attention. Overall, this study contributes convergent fMRI-ECoG evidence that tumour-infiltrated cortex participates in large-scale neurocognitive circuits that support executive function in health. These findings underscore the potential clinical utility of mapping large-scale connectivity of tumour-infiltrated tissue in the care of patients with diffuse gliomas.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:173 |
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| Enthalten in: |
Cortex; a journal devoted to the study of the nervous system and behavior - 173(2024) vom: 31. Apr., Seite 1-15 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Mandal, Ayan S [VerfasserIn] |
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| Links: |
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| Themen: |
Brain tumour |
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| Anmerkungen: |
Date Completed 27.03.2024 Date Revised 06.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.cortex.2024.01.004 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 520 | |a The extent to which tumour-infiltrated brain tissue contributes to cognitive function remains unclear. We tested the hypothesis that cortical tissue infiltrated by diffuse gliomas participates in large-scale cognitive circuits using a unique combination of intracranial electrocorticography (ECoG) and resting-state functional magnetic resonance (fMRI) imaging in four patients. We also assessed the relationship between functional connectivity with tumour-infiltrated tissue and long-term cognitive outcomes in a larger, overlapping cohort of 17 patients. We observed significant task-related high gamma (70-250 Hz) power modulations in tumour-infiltrated cortex in response to increased cognitive effort (i.e., switch counting compared to simple counting), implying preserved functionality of neoplastic tissue for complex tasks probing executive function. We found that tumour locations corresponding to task-responsive electrodes exhibited functional connectivity patterns that significantly co-localised with canonical brain networks implicated in executive function. Specifically, we discovered that tumour-infiltrated cortex with larger task-related high gamma power modulations tended to be more functionally connected to the dorsal attention network (DAN). Finally, we demonstrated that tumour-DAN connectivity is evident across a larger cohort of patients with gliomas and that it relates to long-term postsurgical outcomes in goal-directed attention. Overall, this study contributes convergent fMRI-ECoG evidence that tumour-infiltrated cortex participates in large-scale neurocognitive circuits that support executive function in health. These findings underscore the potential clinical utility of mapping large-scale connectivity of tumour-infiltrated tissue in the care of patients with diffuse gliomas | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Brain tumour | |
| 650 | 4 | |a Electrocorticography (ECOG) | |
| 650 | 4 | |a Executive function | |
| 650 | 4 | |a Functional connectivity | |
| 650 | 4 | |a Glioma | |
| 650 | 4 | |a Neural circuits | |
| 650 | 4 | |a fMRI | |
| 700 | 1 | |a Wiener, Chemda |e verfasserin |4 aut | |
| 700 | 1 | |a Assem, Moataz |e verfasserin |4 aut | |
| 700 | 1 | |a Romero-Garcia, Rafael |e verfasserin |4 aut | |
| 700 | 1 | |a Coelho, Pedro |e verfasserin |4 aut | |
| 700 | 1 | |a McDonald, Alexa |e verfasserin |4 aut | |
| 700 | 1 | |a Woodberry, Emma |e verfasserin |4 aut | |
| 700 | 1 | |a Morris, Robert C |e verfasserin |4 aut | |
| 700 | 1 | |a Price, Stephen J |e verfasserin |4 aut | |
| 700 | 1 | |a Duncan, John |e verfasserin |4 aut | |
| 700 | 1 | |a Santarius, Thomas |e verfasserin |4 aut | |
| 700 | 1 | |a Suckling, John |e verfasserin |4 aut | |
| 700 | 1 | |a Hart, Michael G |e verfasserin |4 aut | |
| 700 | 1 | |a Erez, Yaara |e verfasserin |4 aut | |
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