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Papers of the Week
Exploring sensory sensitivity, cortical excitability, and habituation in episodic migraine, as a function of age and disease severity, using the pattern-reversal task.
Authors
Marti-Marca A, Vilà-Balló A, Cerda-Company X, Ikumi N, Torres-Ferrus M, Caronna E, Gallardo VJ, Alpuente A, Torralba Cuello M, Soto-Faraco S, Pozo-Rosich PAbstract
Migraine is a cyclic, neurosensory disorder characterized by recurrent headaches and altered sensory processing. The latter is manifested in hypersensitivity to visual stimuli, measured with questionnaires and sensory thresholds, as well as in abnormal cortical excitability and a lack of habituation, assessed with visual evoked potentials elicited by pattern-reversal stimulation. Here, the goal was to determine whether factors such as age and/or disease severity may exert a modulatory influence on sensory sensitivity, cortical excitability, and habituation.