Fig. 2

Effects of P.gingivalis-LPS on animal activity. The open field test (OFT) was used to evaluate the spontaneous activities of mice after 7 days of administration, including total distance covered (a), percentage of time spent on central grid (b), percentage of distance covered on central grid (c), number of rearings (d), number of defecations (e), and frequency of grooming (f). Overall, no significant differences were observed between treatment groups