Non Invasive Vagus Nerve Stimulation in Cerebral Palsy (BOOSTTVNS)

tVNS allows the non-invasive stimulation of the Vagus Nerve by delivering electrical pulses to the sensory afferent fibers of the auricular, thick-myelinated, branch of the vagus nerve in the outer ear. TVNS seems to engage the same neural pathways of invasive VNS methods and may provide a novel, bottom-up NIBS method to enhance gamma-aminobutyric acid and Noradrenaline levels, which play a pivotal role in brain plasticity. The stimulation will be performed by using a Conformite Europeenne (CE) marked tVNS device tVNS®E (tVNS, technologies Gesellschaft mit beschränkter Haftung (GMBH), Erlangen, Germany). It consists in a programmable stimulation unit connected to two titan ear electrodes that are mounted on a gel frame, allowing to generate and transfer electric impulses from the stimulation unit to the surface of the skin, where the electrodes are applied.