Research Article

Safety of the Transcranial Focal Electrical Stimulation via Tripolar Concentric Ring Electrodes for Hippocampal CA3 Subregion Neurons in Rats

Figure 2

Numbers of neurons per μm2 (mean and standard error) in the CA3 subregion in control and TFS-treated subgroups of the single-dose TFS (a) and five-dose TFS (b) groups.
(a)
(b)