Related Experiment Video
Updated: Mar 19, 2026
10:39
3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
Published on: June 2, 2014
18.8K
Nucleus accumbens functional connectivity discriminates medication-overuse headache.
1GCS fMRI, Koelliker Hospital and University of Turin, Turin, Italy; Department of Psychology, University of Turin, Turin, Italy; Institute of Neuroscience, IoNS, Université catholique de Louvain, Brussels, Belgium.
Neuroimage. Clinical
|June 23, 2016
Summary
Medication-overuse headache (MOH) patients exhibit distinct brain connectivity patterns compared to non-MOH individuals. These differences in motivational circuits could aid in developing new diagnostic tools for MOH.
Area of Science:
- Neuroscience
- Neurology
- Medical Imaging
Background:
- Medication-overuse headache (MOH) is a secondary headache disorder linked to excessive use of acute headache medications.
- Pathophysiological similarities are suggested between MOH and substance addiction disorders.
Purpose of the Study:
- To investigate resting-state functional connectivity in the dorsal and ventral striatum of MOH patients.
- To determine if functional connectivity patterns can differentiate MOH from non-MOH patients using classification algorithms.
Main Methods:
- Examined whole-brain resting-state functional connectivity in 30 patients (15 MOH, 15 non-MOH).
- Focused on the dorsal and ventral striatal regions, including the nucleus accumbens and dorsal rostral putamen.
- Utilized classification algorithms to analyze spatial patterns of functional connectivity.
Main Results:
- Functional connectivity of the nucleus accumbens and dorsal rostral putamen successfully discriminated between MOH and non-MOH patients.
- Findings suggest altered reward circuitry in MOH patients, similar to those with substance use disorders.
- Evidence indicates potential difficulties in breaking habitual behaviors among MOH patients.
Conclusions:
- MOH patients demonstrate altered functional connectivity within motivational circuits at rest.
- These connectivity differences enable blind discrimination between MOH and non-MOH conditions via algorithms.
- The study findings may support the development of novel diagnostic approaches for medication-overuse headache.
