Clinical Trial of The Boosting Effect of Transcranial Random Noise Stimulation (tRNS) in Cognitive Rehabilitation of Patients With Traumatic Brain Injury

Inclusion Criteria: * age over 18 years old * documented history of severe or moderate TBI (severe TBI: Glasgow Coma Scale 3-8; moderate TBI: Glasgow Coma Scale 9-13) * out of post-traumatic amnesia * less than 6 months after TBI * cognitive impairment objectified by neuropsychological exploration. Exclusion Criteria: * impairment of language, affecting the production and/or comprehension of speech and the ability to read and/or write * severe alteration of the visual field or visual perception problems that limits the use of technological devices * sever motor impairment of both upper extremities that prevent the use of technological devices * previous or current history of psychiatric, neurological or systemic alterations that affect the central nervous system * history of substance abuse * dermatological diseases in the skull * presence of metal implants or holes in the skull * epilepsy.