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Psychosurgery, the surgical alteration or permanent removal of brain tissue to alleviate severe psychological conditions, stands as one of the most radical and controversial treatments in the history of mental health care. Its development and application have evolved significantly, marked by dramatic shifts in scientific understanding and ethical perspectives.
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Related Experiment Video

Updated: Jun 16, 2026

Developing a Rat Model for Bipolar Disorder
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Published on: May 2, 2025

[Psychiatry].

M Kosel1, J-M Aubry, G Bondolfi

  • 1Service de psychiatrie adulte, HUG Rue du 31-Décembre 6-8, 1207 Genève. markus.kosel@hcuge.ch

Revue Medicale Suisse
|February 23, 2010
PubMed
Summary
This summary is machine-generated.

Brain stimulation techniques and chronotherapy offer new hope for treatment-resistant depression and anxiety. These methods, including transcranial magnetic stimulation and sleep deprivation, aim for complete remission and sustained benefits, reducing relapse risks.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Chronobiology

Context:

  • Treatment-resistant depression and severe anxiety disorders pose significant clinical challenges.
  • Conventional treatments are often insufficient for achieving complete remission and preventing relapse.
  • Emerging neuromodulation and chronotherapeutic strategies are being explored for enhanced efficacy.

Purpose:

  • To review the clinical applications of brain stimulation and chronotherapy in managing depressive episodes, particularly bipolar depression.
  • To discuss advances in treatment protocols that prolong the antidepressant effects of sleep deprivation.
  • To highlight the importance of achieving complete remission and maintaining therapeutic benefits beyond symptom reduction.

Summary:

  • Brain stimulation methods like transcranial magnetic stimulation (TMS), deep brain stimulation (DBS), and vagus nerve stimulation (VNS) show potential for treatment-resistant depression and anxiety.
  • Advances in chronotherapy, including refined sleep deprivation protocols, extend antidepressant effects and aid in managing depressive episodes.
  • The article emphasizes complete remission and sustained benefits, addressing residual symptoms that increase relapse risk in depression, especially bipolar depression.

Impact:

  • These advanced treatment modalities offer alternative or adjunctive options for patients with severe or refractory mood and anxiety disorders.
  • Improved understanding and application of these techniques can lead to better long-term outcomes and reduced relapse rates in depression.
  • The focus on complete remission signifies a shift towards more holistic and durable recovery in psychiatric care.