Reference : Electrophysiological response patterns of primary sensory cortices in migraine.
Scientific journals : Article
Human health sciences : Neurology
Social & behavioral sciences, psychology : Neurosciences & behavior
Electrophysiological response patterns of primary sensory cortices in migraine.
Ambrosini, Anna [> > > >]
Schoenen, Jean mailto [Université de Liège - ULiège > Département des sciences biomédicales et précliniques > Neuro-anatomie >]
Journal of Headache and Pain
Springer Science & Business Media B.V.
Yes (verified by ORBi)
[en] Auditory Cortex/physiopathology ; Electrophysiology ; Evoked Potentials/physiology ; Humans ; Migraine Disorders/pathology/physiopathology ; Olfactory Pathways/physiopathology ; Reaction Time ; Somatosensory Cortex/physiopathology
[en] Migraine is an ictal disorder characterised by a particular vulnerability of patients to sensory overload, both during and outside of the attack. Central nervous system dysfunctions are supposed to play a pivotal role in migraine. Electroneurophysiological methods, which aim to investigate sensory processing, seem thus particularly appropriate to study the pathophysiology of migraine. We have thus reviewed evoked potential studies performed in migraine patients. Although results are in part contradictory, these studies nonetheless demonstrate an interictal dysfunction of sensory cortices, and possibly of subcortical structures, in migraine with and without aura. The predominant abnormality is a deficient habituation of evoked responses to repeated stimuli, probably due to cortical, and possibly widespread neural, "dysexcitability".

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