A motorised device (1) having three degrees of freedom for the diagnosis and the therapeutic treatments of patients with neurodegenerative syndromes, comprising a platform (2) movable according to three rotational degrees of freedom, associated with three linear actuators (51-53) arranged on a plane coincident or parallel to the resting plane of the device itself and connected to the platform by collapsible rods (71-73), said device further comprising a system for controlling the law of motion of the platform and for measuring stresses applied by the patient onto the platform itself (Figure 2).
