Etiological Study of Persistent Velopharyngeal Insufficiency in Children With Operated Velopalatine Cleft by Analysis of Velopharyngeal Motor Skills in Static and Dynamic MRI

ubjects will be scanned in the supine position using ACHIEVA 3T TX DStream Philips® and a 33 channels head and neck coil. An elastic strap will be fixed to the forehead to limits movement during scan. Headset will be used to cancel the loud MRI noise and to communicate with the subjects