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Related Concept Videos

Obsessive-Compulsive Disorder01:28

Obsessive-Compulsive Disorder

247
Obsessive-compulsive disorder (OCD) is a mental health condition characterized by recurrent obsessions, compulsions, or both, which consume significant time and interfere with daily functioning. Obsessions involve persistent, intrusive, and unwanted thoughts, images, or urges that evoke anxiety. Common examples include irrational fears of contamination or harm. Compulsions are repetitive behaviors or mental acts performed to reduce the anxiety caused by obsessions. For instance, individuals...
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Electroconvulsive Therapy01:30

Electroconvulsive Therapy

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Electroconvulsive therapy (ECT), or shock therapy, remains a critical biomedical intervention for severe, treatment-resistant depression. While its origins can be traced back to Hippocrates' observations that malaria-induced convulsions alleviated mental illness, modern ECT has evolved significantly from its earlier, more primitive applications. First introduced in 1938 by Ugo Cerletti and his colleagues, ECT involves inducing controlled seizures using electrical currents. In its early...
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Related Experiment Video

Updated: Oct 21, 2025

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Connectomic Deep Brain Stimulation for Obsessive-Compulsive Disorder.

Juan Carlos Baldermann1, Thomas Schüller2, Sina Kohl2

  • 1Department of Neurology, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany; Department of Psychiatry and Psychotherapy, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany.

Biological Psychiatry
|September 6, 2021
PubMed
Summary
This summary is machine-generated.

Deep brain stimulation for obsessive-compulsive disorder (OCD) shows promise by targeting broader brain networks, not just local sites. This review integrates connectomic and neuromodulation data to propose a unified network for effective OCD symptom relief.

Keywords:
ConnectivityConnectomicsDeep brain stimulationNeuromodulationObsessive-compulsive disorderTractography

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Neuromodulation

Background:

  • Obsessive-compulsive disorder (OCD) is a highly disabling psychiatric condition.
  • Deep brain stimulation (DBS) is a potential treatment, but optimal targets and mechanisms remain unclear.
  • Current understanding suggests network-level brain changes, not just local effects, drive symptom improvement.

Purpose of the Study:

  • To critically review connectomic studies and DBS interventions for OCD.
  • To identify optimal neural networks for alleviating obsessions and compulsions.
  • To propose a unified network model for neuromodulation in OCD treatment.

Main Methods:

  • Integration of findings from connectomic analyses and DBS interventions.
  • Scrutiny of methodologies and conflicting results in OCD neuromodulation research.
  • Comparative analysis of neural pathways involved in OCD symptom reduction.

Main Results:

  • Recent advances highlight the importance of broader brain network alterations in DBS efficacy for OCD.
  • Innovative methods combining brain connectivity analyses and neuromodulation have advanced understanding.
  • A connectomic approach offers an integrative framework for identifying optimal DBS targets.

Conclusions:

  • A unified neural network, when modulated via cortical or subcortical interventions, is proposed to alleviate OCD symptoms.
  • Understanding network-level effects is crucial for refining DBS strategies in clinical practice.
  • Further research integrating connectomics and neuromodulation can optimize OCD treatment outcomes.