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Scintillating Scotoma

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Encyclopedia of Color Science and Technology

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Aura

Definition

Migraine is one of the most common neurological disorders and is observed in about 11% of the world population [1]. Migraine attacks are characterized by unilateral, throbbing, and moderate-to-severe headache lasting 4–72 h, typically accompanied by nausea and photophobia and phonophobia [2]. In approximately 20% of patients, the migraine can also be preceded by transient neurological symptoms (aura) that usually develop gradually over >5 min and last for <60 min. Auras are most frequently visual (>90%), but may also involve other sensory symptoms (pins and needles, numbness), hemiparesis or speech deficits. Visual symptom (aura) often has a bimodal progression with positive symptom (scintillating) followed by negative symptom (scotoma). To date, the trigger mechanisms of migraine with aura are cortical spreading depression (CSD). Migraine with aura (MWA) is diagnosed according to the operational diagnostic criteria of The International Classification of...

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Authors and Affiliations

  1. Medical Safety Management Center, Dokkyo Medical University Hospital, Tochigi, Japan

    Muneto Tatsumoto

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  1. Muneto Tatsumoto
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Correspondence to Muneto Tatsumoto .

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Editors and Affiliations

  1. Color Science & Imaging Lab, North Carolina State Univ, Raleigh, NC, USA

    Renzo Shamey

Section Editor information

  1. Graduate School of Engineering, Chiba University, Chiba, Japan

    Yoko Mizokami

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Tatsumoto, M. (2020). Scintillating Scotoma. In: Shamey, R. (eds) Encyclopedia of Color Science and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27851-8_216-2

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  • DOI: https://doi.org/10.1007/978-3-642-27851-8_216-2

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-27851-8

  • Online ISBN: 978-3-642-27851-8

  • eBook Packages: Springer Reference Physics and AstronomyReference Module Physical and Materials ScienceReference Module Chemistry, Materials and Physics

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Chapter history

  1. Latest

    Scintillating Scotoma
    Published:
    04 August 2020

    DOI: https://doi.org/10.1007/978-3-642-27851-8_216-2

  2. Original

    Scintillating Scotoma
    Published:
    29 June 2015

    DOI: https://doi.org/10.1007/978-3-642-27851-8_216-1

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