Mapping dysfunctional circuits in the frontal cortex using deep brain stimulation

Barbara Hollunder, Jill L. Ostrem, Ilkem Aysu Sahin, Nanditha Rajamani, Simón Oxenford, Konstantin Butenko, Clemens Neudorfer, Pablo Reinhardt, Patricia Zvarova, Mircea Polosan, Harith Akram, Matteo Vissani, Chencheng Zhang, Bomin Sun, Pavel Navratil, Martin M. Reich, Jens Volkmann, Fang Cheng Yeh, Juan Carlos Baldermann, Till A. DembekVeerle Visser-Vandewalle, Eduardo Joaquim Lopes Alho, Paulo Roberto Franceschini, Pranav Nanda, Carsten Finke, Andrea A. Kühn, Darin D. Dougherty, R. Mark Richardson, Hagai Bergman, Mahlon R. DeLong, Alberto Mazzoni, Luigi M. Romito, Himanshu Tyagi, Ludvic Zrinzo, Eileen M. Joyce, Stephan Chabardes, Philip A. Starr, Ningfei Li*, Andreas Horn*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Frontal circuits play a critical role in motor, cognitive and affective processing, and their dysfunction may result in a variety of brain disorders. However, exactly which frontal domains mediate which (dys)functions remains largely elusive. We studied 534 deep brain stimulation electrodes implanted to treat four different brain disorders. By analyzing which connections were modulated for optimal therapeutic response across these disorders, we segregated the frontal cortex into circuits that had become dysfunctional in each of them. Dysfunctional circuits were topographically arranged from occipital to frontal, ranging from interconnections with sensorimotor cortices in dystonia, the primary motor cortex in Tourette’s syndrome, the supplementary motor area in Parkinson’s disease, to ventromedial prefrontal and anterior cingulate cortices in obsessive-compulsive disorder. Our findings highlight the integration of deep brain stimulation with brain connectomics as a powerful tool to explore couplings between brain structure and functional impairments in the human brain.

Original languageEnglish
Pages (from-to)573-586
Number of pages14
JournalNature Neuroscience
Volume27
Issue number3
DOIs
StatePublished - Mar 2024

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© The Author(s) 2024.

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