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Invasive and Non-invasive Neurostimulation for OCD

Research group Willuhn
Publication year 2021
Published in Current Topics in Behavioral Neurosciences
Authors B. Van den Boom, Tara Arbab, D. Denys, Ingo Willuhn, Isidoor O Bergfeld, Eva Dijkstra, Ilse Graat, Pelle de Koning, Nienke C Vulink, Roel J T Mocking,

It becomes increasingly clear that (non-)invasive neurostimulation is an effective treatment for obsessive-compulsive disorder (OCD). In this chapter we review the available evidence on techniques and targets, clinical results including a meta-analysis, mechanisms of action, and animal research. We focus on deep brain stimulation (DBS), but also cover non-invasive neurostimulation including transcranial magnetic stimulation (TMS). Data shows that most DBS studies target the ventral capsule/ventral striatum (VC/VS), with an overall 76% response rate in treatment-refractory OCD. Also TMS holds clinical promise. Increased insight in the normalizing effects of neurostimulation on cortico-striatal-thalamic-cortical (CSTC) loops – through neuroimaging and animal research – provides novel opportunities to further optimize treatment strategies. Advancing clinical implementation of neurostimulation techniques is essential to ameliorate the lives of the many treatment-refractory OCD patients.

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