Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression

Background: The efficacy of repetitive transcranial magnetic stimulation (rTMS) for depression may vary depending on the subregion stimulated within the dorsolateral prefrontal cortex (DLPFC). Clinical TMS typically uses scalp-based landmarks for DLPFC targeting, rather than individualized MRI guida...

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Autores principales:	V.A. Cardenas, J.V. Bhat, A.M. Horwege, T.J. Ehrlich, J. Lavacot, D.H. Mathalon, G.H. Glover, B.J. Roach, B.W. Badran, S.D. Forman, M.S. George, M.E. Thase, J.A. Yesavage, D. Yurgelun-Todd, A.C. Rosen
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	Depression Functional connectivity HCP atlas Yeo atlas TMS targeting Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
Acceso en línea:	https://doaj.org/article/9a19f97758cf46f8a0867ee51d6b02fa
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spelling	oai:doaj.org-article:9a19f97758cf46f8a0867ee51d6b02fa2021-11-14T04:31:37ZAnatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression1935-861X10.1016/j.brs.2021.11.008https://doaj.org/article/9a19f97758cf46f8a0867ee51d6b02fa2022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1935861X21008238https://doaj.org/toc/1935-861XBackground: The efficacy of repetitive transcranial magnetic stimulation (rTMS) for depression may vary depending on the subregion stimulated within the dorsolateral prefrontal cortex (DLPFC). Clinical TMS typically uses scalp-based landmarks for DLPFC targeting, rather than individualized MRI guidance. Objective: In rTMS patients, determine the brain systems targeted by multiple DLPFC stimulation rules by computing several surrogate measures: underlying brain targets labeled with connectivity-based atlases, subgenual cingulate anticorrelation strength, and functionally connected networks. Methods: Forty-nine patients in a randomized controlled trial of rTMS therapy for treatment resistant major depression underwent structural and functional MRI. DLPFC rules were applied virtually using MR-image guidance. Underlying cortical regions were labeled, and connectivity with the subgenual cingulate and whole-brain computed. Results: Scalp-targeting rules applied post hoc to these MRIs that adjusted for head size, including Beam F3, were comparably precise, successful in directly targeting classical DLPFC and frontal networks, and anticorrelated with the subgenual cingulate. In contrast, all rules involving fixed distances introduced variability in regions and networks targeted. The 5 cm rule targeted a transitional DLPFC region with a different connectivity profile from the adjusted rules. Seed-based connectivity analyses identified multiple regions, such as posterior cingulate and inferior parietal lobe, that warrant further study in order to understand their potential contribution to clinical response. Conclusion: EEG-based rules consistently targeted DLPFC brain regions with resting-state fMRI features known to be associated with depression response. These results provide a bridge from lab to clinic by enabling clinicians to relate scalp-targeting rules to functionally connected brain systems.V.A. CardenasJ.V. BhatA.M. HorwegeT.J. EhrlichJ. LavacotD.H. MathalonG.H. GloverB.J. RoachB.W. BadranS.D. FormanM.S. GeorgeM.E. ThaseJ.A. YesavageD. Yurgelun-ToddA.C. RosenElsevierarticleDepressionFunctional connectivityHCP atlasYeo atlasTMS targetingNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571ENBrain Stimulation, Vol 15, Iss 1, Pp 63-72 (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	Depression Functional connectivity HCP atlas Yeo atlas TMS targeting Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571
spellingShingle	Depression Functional connectivity HCP atlas Yeo atlas TMS targeting Neurosciences. Biological psychiatry. Neuropsychiatry RC321-571 V.A. Cardenas J.V. Bhat A.M. Horwege T.J. Ehrlich J. Lavacot D.H. Mathalon G.H. Glover B.J. Roach B.W. Badran S.D. Forman M.S. George M.E. Thase J.A. Yesavage D. Yurgelun-Todd A.C. Rosen Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression
description	Background: The efficacy of repetitive transcranial magnetic stimulation (rTMS) for depression may vary depending on the subregion stimulated within the dorsolateral prefrontal cortex (DLPFC). Clinical TMS typically uses scalp-based landmarks for DLPFC targeting, rather than individualized MRI guidance. Objective: In rTMS patients, determine the brain systems targeted by multiple DLPFC stimulation rules by computing several surrogate measures: underlying brain targets labeled with connectivity-based atlases, subgenual cingulate anticorrelation strength, and functionally connected networks. Methods: Forty-nine patients in a randomized controlled trial of rTMS therapy for treatment resistant major depression underwent structural and functional MRI. DLPFC rules were applied virtually using MR-image guidance. Underlying cortical regions were labeled, and connectivity with the subgenual cingulate and whole-brain computed. Results: Scalp-targeting rules applied post hoc to these MRIs that adjusted for head size, including Beam F3, were comparably precise, successful in directly targeting classical DLPFC and frontal networks, and anticorrelated with the subgenual cingulate. In contrast, all rules involving fixed distances introduced variability in regions and networks targeted. The 5 cm rule targeted a transitional DLPFC region with a different connectivity profile from the adjusted rules. Seed-based connectivity analyses identified multiple regions, such as posterior cingulate and inferior parietal lobe, that warrant further study in order to understand their potential contribution to clinical response. Conclusion: EEG-based rules consistently targeted DLPFC brain regions with resting-state fMRI features known to be associated with depression response. These results provide a bridge from lab to clinic by enabling clinicians to relate scalp-targeting rules to functionally connected brain systems.
format	article
author	V.A. Cardenas J.V. Bhat A.M. Horwege T.J. Ehrlich J. Lavacot D.H. Mathalon G.H. Glover B.J. Roach B.W. Badran S.D. Forman M.S. George M.E. Thase J.A. Yesavage D. Yurgelun-Todd A.C. Rosen
author_facet	V.A. Cardenas J.V. Bhat A.M. Horwege T.J. Ehrlich J. Lavacot D.H. Mathalon G.H. Glover B.J. Roach B.W. Badran S.D. Forman M.S. George M.E. Thase J.A. Yesavage D. Yurgelun-Todd A.C. Rosen
author_sort	V.A. Cardenas
title	Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression
title_short	Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression
title_full	Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression
title_fullStr	Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression
title_full_unstemmed	Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression
title_sort	anatomical and fmri-network comparison of multiple dlpfc targeting strategies for repetitive transcranial magnetic stimulation treatment of depression
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/9a19f97758cf46f8a0867ee51d6b02fa
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Anatomical and fMRI-network comparison of multiple DLPFC targeting strategies for repetitive transcranial magnetic stimulation treatment of depression

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