Fig. 2From: Electrical stimulation methods and protocols for the treatment of traumatic brain injury: a critical review of preclinical researchPRISMA 2020 flow diagram depicting the selection process of the studies for this review [151] (TBI traumatic brain injury, ES electrical stimulation, TMS transcranial magnetic stimulation, tDCS transcranial direct current stimulation, DBS deep brain stimulation, VNS vagus nerve stimulation)Back to article page