Evidence map›Paper›PMID 39479009›Full record

ArticleFrontiers in neurology2024

Bipolar and Laplacian montages are suitable for high-gamma modulation language mapping with stereoelectroencephalography.

Takumi Mitsuhashi, Yasushi Iimura, Hiroharu Suzuki, Tetsuya Ueda, Kazuki Nishioka, Kazuki Nomura, Madoka Nakajima, Hidenori Sugano, Akihide Kondo

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Article in Frontiers in neurology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

9 authors.

Takumi MitsuhashiDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Yasushi IimuraDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Hiroharu SuzukiDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Tetsuya UedaDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Kazuki NishiokaDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Kazuki NomuraDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Madoka NakajimaDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Hidenori SuganoDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.
Akihide KondoDepartment of Neurosurgery, Juntendo University, Tokyo, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Objective: To determine the optimal montage and vocalization conditions for high-gamma language mapping using stereoelectroencephalography. Methods: We studied 12 epilepsy patients who underwent invasive monitoring with depth electrodes and measurement of auditory-naming related high-gamma modulations. We determined the effects of electrode montage and vocalization conditions of the response on the high-gamma (60-140 Hz) amplitudes. Results: Compared to common average reference montage, bipolar and Laplacian montages effectively reduced the degree of auditory naming-related signal deflections in the white matter during the stimulus and response phases (mixed model estimate: -21.2 to -85.4%; Conclusion: On depth electrode recording, bipolar and Laplacian montages are suitable for measuring auditory naming-related high-gamma modulations in gray matter. The covert response may highlight the gray matter activity. Significance: This study helps establish the practical guidelines for high-gamma language mapping using stereoelectroencephalography.

Indexed as

auditory namingelectrode montageepilepsy surgeryfunctional brain mappinghigh-gamma modulationstereoelectroencephalography

Identifiers

PMID39479009
PMCPMC11521834

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