Impaired interhemispheric synchrony and effective connectivity in right temporal lobe epilepsy
© 2023. Fondazione Società Italiana di Neurologia..
BACKGROUND: The brain functional network plays a crucial role in cognitive impairment in temporal lobe epilepsy (TLE). Based on voxel-mirrored homotopic connectivity (VMHC), this study explored how directed functional connectivity changes and is associated with impaired cognition in right TLE (rTLE).
METHODS: Twenty-seven patients with rTLE and twenty-seven healthy controls were included to perform VMHC and Granger causality analysis (GCA). Correlation analysis was performed based on GCA and cognitive function.
RESULTS: Bilateral middle frontal gyrus (MFG), middle temporal gyrus, dorsolateral superior frontal gyrus (SFGdor), and supramarginal gyrus (SMG) exhibited decreased VMHC values in the rTLE group. Brain regions with altered VMHC had abnormal directed functional connectivity with multiple brain regions, mainly belonging to the default mode network, sensorimotor network, and visual network. Besides, the Montreal Cognitive Assessment (MoCA) score was positively correlated with the connectivity from the left SFGdor to the right cerebellum crus2 and was negatively correlated with the connectivity from the left SMG to the right supplementary motor area (SMA) before correction. Before correction, both phasic and intrinsic alertness reaction time were positively correlated with the connectivity from the left MFG to the left precentral gyrus (PreCG), connectivity from the left SMG to the right PreCG, and the connectivity from the left SMG to the right SMA. The executive control effect reaction time was positively correlated with the connectivity from the left MFG to the left calcarine fissure surrounding cortex before correction.
CONCLUSION: The disordered functional network tended to be correlated with cognition impairment in rTLE.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:45 |
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| Enthalten in: |
Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology - 45(2024), 5 vom: 19. Apr., Seite 2211-2221 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Shi, Ke [VerfasserIn] |
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| Links: |
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| Themen: |
Cognitive function |
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| Anmerkungen: |
Date Completed 17.04.2024 Date Revised 17.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1007/s10072-023-07198-6 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM365298085 |
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| 245 | 1 | 0 | |a Impaired interhemispheric synchrony and effective connectivity in right temporal lobe epilepsy |
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| 500 | |a Date Revised 17.04.2024 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2023. Fondazione Società Italiana di Neurologia. | ||
| 520 | |a BACKGROUND: The brain functional network plays a crucial role in cognitive impairment in temporal lobe epilepsy (TLE). Based on voxel-mirrored homotopic connectivity (VMHC), this study explored how directed functional connectivity changes and is associated with impaired cognition in right TLE (rTLE) | ||
| 520 | |a METHODS: Twenty-seven patients with rTLE and twenty-seven healthy controls were included to perform VMHC and Granger causality analysis (GCA). Correlation analysis was performed based on GCA and cognitive function | ||
| 520 | |a RESULTS: Bilateral middle frontal gyrus (MFG), middle temporal gyrus, dorsolateral superior frontal gyrus (SFGdor), and supramarginal gyrus (SMG) exhibited decreased VMHC values in the rTLE group. Brain regions with altered VMHC had abnormal directed functional connectivity with multiple brain regions, mainly belonging to the default mode network, sensorimotor network, and visual network. Besides, the Montreal Cognitive Assessment (MoCA) score was positively correlated with the connectivity from the left SFGdor to the right cerebellum crus2 and was negatively correlated with the connectivity from the left SMG to the right supplementary motor area (SMA) before correction. Before correction, both phasic and intrinsic alertness reaction time were positively correlated with the connectivity from the left MFG to the left precentral gyrus (PreCG), connectivity from the left SMG to the right PreCG, and the connectivity from the left SMG to the right SMA. The executive control effect reaction time was positively correlated with the connectivity from the left MFG to the left calcarine fissure surrounding cortex before correction | ||
| 520 | |a CONCLUSION: The disordered functional network tended to be correlated with cognition impairment in rTLE | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Cognitive function | |
| 650 | 4 | |a Granger causality analysis | |
| 650 | 4 | |a Temporal lobe epilepsy | |
| 650 | 4 | |a Voxel-mirrored homotopic connectivity | |
| 700 | 1 | |a Yu, Lu |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Yiling |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Zhekun |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Chunyan |e verfasserin |4 aut | |
| 700 | 1 | |a Long, Qijia |e verfasserin |4 aut | |
| 700 | 1 | |a Zheng, Jinou |e verfasserin |4 aut | |
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