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A Unified Functional Network Target for Deep Brain Stimulation in Obsessive-Compulsive Disorder

Multiple deep brain stimulation (DBS) targets have been proposed for treating intractable obsessive-compulsive disorder (OCD). Here, we investigated whether stimulation effects of different target sites would be mediated by one common or several segregated functional brain networks. First, seeding f...

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Published in:Biological psychiatry (1969) 2021-11, Vol.90 (10), p.701-713
Main Authors: Li, Ningfei, Hollunder, Barbara, Baldermann, Juan Carlos, Kibleur, Astrid, Treu, Svenja, Akram, Harith, Al-Fatly, Bassam, Strange, Bryan A., Barcia, Juan A., Zrinzo, Ludvic, Joyce, Eileen M., Chabardes, Stephan, Visser-Vandewalle, Veerle, Polosan, Mircea, Kuhn, Jens, Kühn, Andrea A., Horn, Andreas
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cited_by cdi_FETCH-LOGICAL-c470t-2994e4750e644882dcd8213a3ac88caf231f041cfee3bb92ce3c0c67d15bba823
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container_issue 10
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container_title Biological psychiatry (1969)
container_volume 90
creator Li, Ningfei
Hollunder, Barbara
Baldermann, Juan Carlos
Kibleur, Astrid
Treu, Svenja
Akram, Harith
Al-Fatly, Bassam
Strange, Bryan A.
Barcia, Juan A.
Zrinzo, Ludvic
Joyce, Eileen M.
Chabardes, Stephan
Visser-Vandewalle, Veerle
Polosan, Mircea
Kuhn, Jens
Kühn, Andrea A.
Horn, Andreas
description Multiple deep brain stimulation (DBS) targets have been proposed for treating intractable obsessive-compulsive disorder (OCD). Here, we investigated whether stimulation effects of different target sites would be mediated by one common or several segregated functional brain networks. First, seeding from active electrodes of 4 OCD patient cohorts (N = 50) receiving DBS to anterior limb of the internal capsule or subthalamic nucleus zones, optimal functional connectivity profiles for maximal Yale-Brown Obsessive Compulsive Scale improvements were calculated and cross-validated in leave-one-cohort-out and leave-one-patient-out designs. Second, we derived optimal target-specific connectivity patterns to determine brain regions mutually predictive of clinical outcome for both targets and others predictive for either target alone. Functional connectivity was defined using resting-state functional magnetic resonance imaging data acquired in 1000 healthy participants. While optimal functional connectivity profiles showed both commonalities and differences between target sites, robust cross-predictions of clinical improvements across OCD cohorts and targets suggested a shared network. Connectivity to the anterior cingulate cortex, insula, and precuneus, among other regions, was predictive regardless of stimulation target. Regions with maximal connectivity to these commonly predictive areas included the insula, superior frontal gyrus, anterior cingulate cortex, and anterior thalamus, as well as the original stereotactic targets. Pinpointing the network modulated by DBS for OCD from different target sites identified a set of brain regions to which DBS electrodes associated with optimal outcomes were functionally connected—regardless of target choice. On these grounds, we establish potential brain areas that could prospectively inform additional or alternative neuromodulation targets for obsessive-compulsive disorder.
doi_str_mv 10.1016/j.biopsych.2021.04.006
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While optimal functional connectivity profiles showed both commonalities and differences between target sites, robust cross-predictions of clinical improvements across OCD cohorts and targets suggested a shared network. Connectivity to the anterior cingulate cortex, insula, and precuneus, among other regions, was predictive regardless of stimulation target. Regions with maximal connectivity to these commonly predictive areas included the insula, superior frontal gyrus, anterior cingulate cortex, and anterior thalamus, as well as the original stereotactic targets. Pinpointing the network modulated by DBS for OCD from different target sites identified a set of brain regions to which DBS electrodes associated with optimal outcomes were functionally connected—regardless of target choice. 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subjects ALIC
Anterior limb of the internal capsule
Connectome
DBS
Deep Brain Stimulation
Functional connectivity
Humans
Internal Capsule - diagnostic imaging
Magnetic Resonance Imaging
Obsessive-compulsive disorder
Obsessive-Compulsive Disorder - diagnostic imaging
Obsessive-Compulsive Disorder - therapy
OCD
STN
Subthalamic Nucleus
title A Unified Functional Network Target for Deep Brain Stimulation in Obsessive-Compulsive Disorder
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