Correlations Between Fine Manual Motor Skills and Speech Articulation

"\- 2-week learning and training phase of motor tasks and oral and facial language (OLF) tasks.~Manual fine motor tasks will correspond to activities requiring increasing precision and different types of grip (crushing a ball, modelling clay with the palm of the hand, sorting round coins with thumb/index pliers).~The OLF praxis tasks will correspond to coordinated movements of different parts of the face (cheeks, lips and tongue).~\- MRI (magnetic resonance imaging) exam, During this exam, the investigator will give to the subject instructions for a task to be carried out. These tasks will correspond to the motor tasks previously trained."