The aim of this study is to understand how early intervention could impact reinnervation of the recurrent laryngeal nerve (which innervates the vocal cord), recovery of mobility of the paralyzed vocal cord and / or vocal recovery in the case of unilateral vocal fold paralysis. To achieve this goal we must therefore carry out a complete outcomes assessment of different intervention methods (voice therapy and injection laryngoplasty), which are offered to UVFP (unilateral vocal fold paralysis) patients in the early stage (\< 3 months). Their respective impacts on the central and peripheral nervous system and on the voice quality will be assessed, taking into account factors related to the severity of the paralysis.
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Laryngeal recurrent nerve reinnervation
Timeframe: 9 to 12 months after paralysis
Recovery of the vocal fold mobility
Timeframe: 9 to 12 months after paralysis
Voice recovery
Timeframe: 9 to 12 months after paralysis
Changes in the neuronal pathways involved in the processing of the proprioceptive and auditory inputs
Timeframe: 9 to 12 months after paralysis
Central auditory processes
Timeframe: Within 3 months after paralysis