Visual processing in migraineurs depends on the migraine cycle

Kerstin Luedtke; Laura H. Schulte; Arne May

doi:10.1002/ana.25398

Visual processing in migraineurs depends on the migraine cycle

Kerstin Luedtke, Laura H. Schulte, Arne May^*

^*Corresponding author for this work

Clinic of Orthopedics and Trauma Surgery

University Hospital Hamburg-Eppendorf

Abstract

We investigated changes of after-image duration in migraineurs and healthy controls (HCs) and throughout the migraine cycle to depict changes in the excitatory/inhibitory equilibrium within the visual cortex. Forty-seven episodic (EMs) and 39 chronic migraineurs (CMs; interictal) were compared to 34 HCs for visual after-image duration. Additionally, seven EMs were investigated every consecutive day over 20 to 32 days using the identical paradigm throughout the migraine cycle. Interictally, the after-image duration was shorter compared to HCs, but significantly longer in the ictal compared to interictal phase. These data suggest an altered excitatory/inhibitory equilibrium in migraineurs, which oscillates over the migraine cycle. ANN NEUROL 2019;85:280–283.

Original language	English
Journal	Annals of Neurology
Volume	85
Issue number	2
Pages (from-to)	280-283
Number of pages	4
ISSN	0364-5134
DOIs	https://doi.org/10.1002/ana.25398
Publication status	Published - 01.02.2019

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Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)

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10.1002/ana.25398

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title = "Visual processing in migraineurs depends on the migraine cycle",

abstract = "We investigated changes of after-image duration in migraineurs and healthy controls (HCs) and throughout the migraine cycle to depict changes in the excitatory/inhibitory equilibrium within the visual cortex. Forty-seven episodic (EMs) and 39 chronic migraineurs (CMs; interictal) were compared to 34 HCs for visual after-image duration. Additionally, seven EMs were investigated every consecutive day over 20 to 32 days using the identical paradigm throughout the migraine cycle. Interictally, the after-image duration was shorter compared to HCs, but significantly longer in the ictal compared to interictal phase. These data suggest an altered excitatory/inhibitory equilibrium in migraineurs, which oscillates over the migraine cycle. ANN NEUROL 2019;85:280–283.",

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AB - We investigated changes of after-image duration in migraineurs and healthy controls (HCs) and throughout the migraine cycle to depict changes in the excitatory/inhibitory equilibrium within the visual cortex. Forty-seven episodic (EMs) and 39 chronic migraineurs (CMs; interictal) were compared to 34 HCs for visual after-image duration. Additionally, seven EMs were investigated every consecutive day over 20 to 32 days using the identical paradigm throughout the migraine cycle. Interictally, the after-image duration was shorter compared to HCs, but significantly longer in the ictal compared to interictal phase. These data suggest an altered excitatory/inhibitory equilibrium in migraineurs, which oscillates over the migraine cycle. ANN NEUROL 2019;85:280–283.

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Visual processing in migraineurs depends on the migraine cycle

Abstract

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