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Investigating Migraine-Like Behavior Using Light Aversion in Mice
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The Migraine Aura.

Andrew Charles

    Continuum (Minneapolis, Minn.)
    |August 4, 2018
    PubMed
    Summary
    This summary is machine-generated.

    Migraine aura mechanisms are complex and variable, propagating linearly along brain structures. Understanding aura provides insights into migraine pathophysiology and influences treatment for associated conditions.

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    Area of Science:

    • Neuroscience
    • Neurology
    • Migraine Pathophysiology

    Background:

    • Migraine aura is a complex neurological phenomenon experienced by a subset of migraine patients.
    • Its underlying mechanisms are not fully understood but are crucial for comprehending migraine as a whole.
    • Migraine with aura exhibits higher heritability compared to migraine without aura.

    Purpose of the Study:

    • To review the basic mechanisms of migraine aura.
    • To discuss the clinical significance of migraine aura.
    • To synthesize evidence from human studies and animal models.

    Main Methods:

    • Review of prospective clinical studies.
    • Analysis of human imaging studies (e.g., hypoperfusion).
    • Examination of animal models of cortical spreading depression.
    • Correlation of symptom mapping with neurophysiological processes.

    Main Results:

    • Migraine aura is highly variable between individuals and attacks.
    • Imaging shows hypoperfusion during aura, but timing/distribution is inconsistent with symptoms.
    • Aura symptoms appear to propagate linearly along cortical structures, not concentrically.
    • Cortical spreading depression in animal models serves as a translational tool for migraine research.
    • Migraine with aura is linked to comorbidities like patent foramen ovale, stroke, and psychiatric disorders.

    Conclusions:

    • Migraine aura, despite affecting a minority, offers significant insights into fundamental migraine mechanisms.
    • Understanding aura propagation and mechanisms is key to advancing migraine research.
    • Aura occurrence impacts clinical management decisions, including therapy and comorbidity assessment.