Neurofeedback Rehabilitation Based on Motor Imaging in Patients in the Immobilization Phase

Inclusion Criteria: Common to the 3 populations concerned: * patients or subjects of both sexes; * age: 18-70 years; * ability to give consent in writing; * Health Insurance. a) SLA: * patients with amyotrophic lateral sclerosis (defined according to the El Escorial criteria: possible, probable or definite), at the time of diagnosis; * Percentage of forced vital capacity (FVC) ≥ 65% of the predicted value for age, gender and size. b) Patients after a shoulder trauma: patients with scheduled shoulder surgery. c) Healthy subjects. Exclusion Criteria: * Dementia (MMSE score \<24/30) * Pregnancy or patient not having effective contraception. * Other neurological, psychiatric or orthopedic disease leading to a motor handicap or an inability to correctly realize the experimental paradigm: interfering with the evaluation of the movements of the upper limb, incapacity to realize the mental imagery of the movement. * Visual impairment resulting in an inability to properly view the computer screen. * History of epilepsy or active epilepsy. * Contraindication to MRI: cardiac or neuronal simulator, ferromagnetic surgical clips, implants and metal objects, intraocular foreign bodies, claustrophobia * Persons under guardianship, trusteeship or any other administrative or judicial measure of deprivation of rights and liberty * Subject in the exclusion period of another interventional research or participating in any other interventional research or therapeutic trial * Presence of another severe progressive pathology