Abstract
Sound-induced flash illusions(SIFI) permit to evaluate cross-modal audio-visual perception. When one flash is accompanied by two beeps, it is perceived as two flashes('fission'illusion); a 'fusion' illusion occurs when a single beep causes the fusion of a double flash stimulus. SIFI strictly depends on cortical excitability: healthy controls perceive less illusions by increasing visual cortex excitability through anodal tDCS [1].
Highlights
Sound-induced flash illusions(SIFI) permit to evaluate cross-modal audio-visual perception
Cortical excitability changes in chronic migraine vs episodic migraine: evidence by sound-induced flash illusions
Results point to a condition of visual cortical hyperresponsivity in patients with chronic migraine in analogy to what observed in episodic patients expecially during ictal phase
Summary
Cortical excitability changes in chronic migraine vs episodic migraine: evidence by sound-induced flash illusions. F Brighina1*, N Bolognini, G Vallar, G Cosentino, S Maccora, P Paladino, S Indovino, R Baschi, B Fierro. From 4th European Headache and Migraine Trust International Congress: EHMTIC 2014 Copenhagen, Denmark. From 4th European Headache and Migraine Trust International Congress: EHMTIC 2014 Copenhagen, Denmark. 18-21 September 2014
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