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- W4241266281 abstract "Stimulation protocols for medical devices should be rationally designed. For episodic migraine with aura we outline model-based design strategies towards preventive and acute therapies using stereotactic neuromodulation. To this end, we regard a localized spreading depression (SD) wave segment as a central element in migraine pathophysiology. To describe nucleation and propagation features of the SD wave segment, we define the new concepts of cortical hot spots and labyrinths, respectively. In particular, we firstly focus exclusively on curvature-induced dynamical properties by studying a generic reaction-diffusion model of SD on the folded cortical surface. This surface is described with increasing level of details, including finally personalized simulations using patient's magnetic resonance imaging (MRI) scanner readings. At this stage, the only relevant factor that can modulate nucleation and propagation paths is the Gaussian curvature, which has the advantage of being rather readily accessible by MRI. We conclude with discussing further anatomical factors, such as areal, laminar, and cellular heterogeneity, that in addition to and in relation to Gaussian curvature determine the generalized concept of cortical hot spots and labyrinths as target structures for neuromodulation.Our numerical simulations suggest that these target structures are like fingerprints, they are individual features of each migraine sufferer. The goal in the future will be to provide individualized neural tissue simulations. These simulations should predict the clinical data and therefore can also serve as a test bed for exploring stereotactic neuromodulation." @default.
- W4241266281 created "2022-05-12" @default.
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- W4241266281 date "2014-09-26" @default.
- W4241266281 modified "2023-10-17" @default.
- W4241266281 title "Hot spots and labyrinths: Why neuromodulation devices for episodic migraine should be personalized" @default.
- W4241266281 doi "https://doi.org/10.7287/peerj.preprints.515" @default.
- W4241266281 hasPublicationYear "2014" @default.
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