Description and Modeling of Swallowing Disorders After a Stroke

For patients after stroke Inclusion Criteria: * First stroke confirmed by MRI \< 15 days * No severe leukoaraiosis * Swallowing disorders identified (GUSS scale \< 20) * Neurological deficit identified (NIHSS scale \<15) * Patient able to cooperate for investigations * Informed consent signed Exclusion Criteria: * Cerebral hemorrhage * History of neurological disease that can lead to swallowing disorders * History of laryngological disease such as previous surgery or radiation neck * Tracheotomy * Vigilance disorders * Pregnant, parturient or nursing woman * Protected adult * Simultaneous participation in another study * Non registered to the French social security system For healthy subjects Inclusion Criteria : * Age between 18 and 40 years old * French native speaker * Normal hearing with or without corrective * No oral or written language disorders * No neurological or psychiatric disorders * Informed consent signed Exclusion Criteria * MRI contraindication * Pregnant, parturient or nursing woman * Simultaneous participation in another study * Non registered to the French social security system