* stroke before covid-19 * history of traumatic brain lesion or central nervous system infection previous to covid-19 * radiotherapy or chemotherapy for cancer * severe sensorial deficits * drugs or uncontrolled medical disorder with potential impact on fatigue. * history of abuse of alcohol or other toxics. * any contraindication for tdcs (metallic implants, brain devices, pacemakers, head injuries).

* stroke before covid-19 * history of traumatic brain lesion or central nervous system infection previous to covid-19 * radiotherapy or chemotherapy for cancer * severe sensorial deficits * drugs or uncontrolled medical disorder with potential impact on fatigue. * history of abuse of alcohol or other toxics. * any contraindication for tdcs (metallic implants, brain devices, pacemakers, head injuries).

stroke before covid-19 history of traumatic brain lesion or central nervous system infection previous to covid-19 radiotherapy or chemotherapy for cancer severe sensorial deficits drugs or uncontrolled medical disorder with potential impact on fatigue. history of abuse of alcohol or other toxics. any contraindication for tdcs (metallic implants, brain devices, pacemakers, head injuries).

stroke before covid-19 history of traumatic brain lesion or central nervous system infection previous to covid-19 radiotherapy or chemotherapy for cancer severe sensorial deficits drugs or uncontrolled medical disorder with potential impact on fatigue. history of abuse of alcohol or other toxics. any contraindication for tdcs (metallic implants, brain devices, pacemakers, head injuries).