FOS and Tinnitus: The expressions of Fos (p < 0.05, Figure 5A), Nr4a1 (p < 0.01, Figure 5C), Nr4a3 (p < 0.05, Figure 5F), Egr2 (p < 0.01, Figure 5H), and Egr3 (p < 0.05, Figure 5J) were significantly decreased in the tinnitus group compared to the non-tinnitus group.