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Related Concept Videos

Brain Imaging01:14

Brain Imaging

Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic Stimulation (TMS).

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Visual Snow Syndrome Improves With Modulation of Resting-State Functional MRI Connectivity After Mindfulness-Based

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Journal of Neuro-Ophthalmology : the Official Journal of the North American Neuro-Ophthalmology Society
|November 15, 2023
PubMed
Summary

Mindfulness-based cognitive therapy for visual symptoms (MBCT-vision) is a feasible treatment for Visual Snow Syndrome (VSS), significantly improving patient symptoms and well-being. The therapy also modulated functional connectivity in visual networks, showing promise for neurological conditions.

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Area of Science:

  • Neuroscience
  • Psychiatry
  • Medical Imaging

Background:

  • Visual Snow Syndrome (VSS) is characterized by functional connectivity (FC) dysregulation within visual networks (VNs).
  • Mindfulness-based cognitive therapy, customized for visual symptoms (MBCT-vision), is hypothesized to treat VSS and modulate these dysfunctional VNs.

Purpose of the Study:

  • To assess the feasibility and efficacy of an 8-week MBCT-vision program for VSS.
  • To investigate the impact of MBCT-vision on VSS symptom severity, daily life impact, and well-being.
  • To explore the neurobiological effects of MBCT-vision on functional connectivity in VNs using MRI.

Main Methods:

  • An open-label, 8-week feasibility study of MBCT-vision was conducted.
  • Symptom severity, impact on daily life, WHO-5 wellbeing, and CORE-10 distress were assessed at baseline, Week 9, and Week 20.
  • Resting-state functional MRI and diffusion MRI were used to evaluate changes in VN-related FC from baseline to Week 20 in a subcohort.

Main Results:

  • Twenty-one participants completed the study with a low dropout rate (9.5%).
  • Significant improvements were observed in self-rated symptom severity, impact on daily life, WHO-5 wellbeing, and CORE-10 distress scores at Weeks 9 and 20.
  • fMRI analysis revealed significant modulations in VN-related FC, including reductions in the left lateral occipital cortex and left cerebellar lobules VIIb/VIII, and increases in the precuneus/posterior cingulate cortex.

Conclusions:

  • MBCT-vision is a feasible and effective treatment for VSS, leading to significant symptom improvement and enhanced well-being.
  • The therapy demonstrated the ability to modulate functional connectivity within visual networks.
  • This study provides proof-of-concept for intensive mindfulness interventions in treating neurological conditions like VSS.