FOS and Stroke: However, Stroke induction and EA treatment increased the density of c-Fos compared with the Sham in the P-nase-injected mice (p < 0.05 and p < 0.01, respectively, Sham:749.8 ± 37, Stroke: 950.5 ± 91.36, Stroke + EA: 1382 ± 90.87, cells/mm2).