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Open Access 01-12-2011 | Research

Migraine attacks the Basal Ganglia

Authors: Nasim Maleki, Lino Becerra, Lauren Nutile, Gautam Pendse, Jennifer Brawn, Marcelo Bigal, Rami Burstein, David Borsook

Published in: Molecular Pain | Issue 1/2011

Abstract

Background

With time, episodes of migraine headache afflict patients with increased frequency, longer duration and more intense pain. While episodic migraine may be defined as 1-14 attacks per month, there are no clear-cut phases defined, and those patients with low frequency may progress to high frequency episodic migraine and the latter may progress into chronic daily headache (> 15 attacks per month). The pathophysiology of this progression is completely unknown. Attempting to unravel this phenomenon, we used high field (human) brain imaging to compare functional responses, functional connectivity and brain morphology in patients whose migraine episodes did not progress (LF) to a matched (gender, age, age of onset and type of medication) group of patients whose migraine episodes progressed (HF).

Results

In comparison to LF patients, responses to pain in HF patients were significantly lower in the caudate, putamen and pallidum. Paradoxically, associated with these lower responses in HF patients, gray matter volume of the right and left caudate nuclei were significantly larger than in the LF patients. Functional connectivity analysis revealed additional differences between the two groups in regard to response to pain.

Conclusions

Supported by current understanding of basal ganglia role in pain processing, the findings suggest a significant role of the basal ganglia in the pathophysiology of the episodic migraine.

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Title: Migraine attacks the Basal Ganglia
Authors: Nasim Maleki
Lino Becerra
Lauren Nutile
Gautam Pendse
Jennifer Brawn
Marcelo Bigal
Rami Burstein
David Borsook
Publication date: 01-12-2011
Publisher: BioMed Central
Published in: Molecular Pain / Issue 1/2011
Electronic ISSN: 1744-8069
DOI: https://doi.org/10.1186/1744-8069-7-71

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Migraine attacks the Basal Ganglia

Abstract

Background

Results

Conclusions

Keynote webinar | Spotlight on sleep in brain health

Springer Medicine

Abstract

Background

Results

Conclusions

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