Variability and anatomical specificity of the orbitofrontothalamic fibers of passage in the ventral capsule/ventral striatum (VC/VS)

precision care for patient-specific tractography-guided targeting of deep brain stimulation (DBS) in obsessive compulsive disorder (OCD)

Nikolaos Makris, Yogesh Rathi, Palig Mouradian, Giorgio Bonmassar, George Papadimitriou, Wingkwai I. Ing, Edward H. Yeterian, Marek Kubicki, Emad N. Eskandar, Lawrence L. Wald, Qiuyun Fan, Aapo Nummenmaa, Alik S. Widge, Darin D. Dougherty

Research output: Contribution to journalArticle

17 Citations (Scopus)

Abstract

Deep Brain Stimulation (DBS) is a neurosurgical procedure that can reduce symptoms in medically intractable obsessive-compulsive disorder (OCD). Conceptually, DBS of the ventral capsule/ventral striatum (VC/VS) region targets reciprocal excitatory connections between the orbitofrontal cortex (OFC) and thalamus, decreasing abnormal reverberant activity within the OFC-caudate-pallidal-thalamic circuit. In this study, we investigated these connections using diffusion magnetic resonance imaging (dMRI) on human connectome datasets of twenty-nine healthy young-adult volunteers with two-tensor unscented Kalman filter based tractography. We studied the morphology of the lateral and medial orbitofrontothalamic connections and estimated their topographic variability within the VC/VS region. Our results showed that the morphology of the individual orbitofrontothalamic fibers of passage in the VC/VS region is complex and inter-individual variability in their topography is high. We applied this method to an example OCD patient case who underwent DBS surgery, formulating an initial proof of concept for a tractography-guided patient-specific approach in DBS for medically intractable OCD. This may improve on current surgical practice, which involves implanting all patients at identical stereotactic coordinates within the VC/VS region.

Original languageEnglish (US)
Pages (from-to)1054-1067
Number of pages14
JournalBrain Imaging and Behavior
Volume10
Issue number4
DOIs
StatePublished - Dec 1 2016
Externally publishedYes

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Deep Brain Stimulation
Obsessive-Compulsive Disorder
Capsules
Patient Care
Prefrontal Cortex
Connectome
Neurosurgical Procedures
Diffusion Magnetic Resonance Imaging
Thalamus
Young Adult
Volunteers
Ventral Striatum

Keywords

  • Connectome
  • Deep brain stimulation (DBS)
  • Diffusion tensor imaging
  • Diffusion tractography
  • Obsessive-compulsive disorder (OCD)
  • Tractography-guided DBS

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging
  • Neurology
  • Cognitive Neuroscience
  • Clinical Neurology
  • Cellular and Molecular Neuroscience
  • Psychiatry and Mental health
  • Behavioral Neuroscience

Cite this

Variability and anatomical specificity of the orbitofrontothalamic fibers of passage in the ventral capsule/ventral striatum (VC/VS) : precision care for patient-specific tractography-guided targeting of deep brain stimulation (DBS) in obsessive compulsive disorder (OCD). / Makris, Nikolaos; Rathi, Yogesh; Mouradian, Palig; Bonmassar, Giorgio; Papadimitriou, George; Ing, Wingkwai I.; Yeterian, Edward H.; Kubicki, Marek; Eskandar, Emad N.; Wald, Lawrence L.; Fan, Qiuyun; Nummenmaa, Aapo; Widge, Alik S.; Dougherty, Darin D.

In: Brain Imaging and Behavior, Vol. 10, No. 4, 01.12.2016, p. 1054-1067.

Research output: Contribution to journalArticle

Makris, Nikolaos ; Rathi, Yogesh ; Mouradian, Palig ; Bonmassar, Giorgio ; Papadimitriou, George ; Ing, Wingkwai I. ; Yeterian, Edward H. ; Kubicki, Marek ; Eskandar, Emad N. ; Wald, Lawrence L. ; Fan, Qiuyun ; Nummenmaa, Aapo ; Widge, Alik S. ; Dougherty, Darin D. / Variability and anatomical specificity of the orbitofrontothalamic fibers of passage in the ventral capsule/ventral striatum (VC/VS) : precision care for patient-specific tractography-guided targeting of deep brain stimulation (DBS) in obsessive compulsive disorder (OCD). In: Brain Imaging and Behavior. 2016 ; Vol. 10, No. 4. pp. 1054-1067.
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