Figure 1. Effects of PTX treatment on motor behavior deficits in aged rats. (A) Effects of PTX treatment on vertical activity. (B) Effects of PTX treatment on horizontal activity. (C) Effects of PTX treatment on total path length. Data are expressed as the mean ± S.D. (n=6 rats/group). *P<0.05 versus 6Mon rats, **P<0.01 versus 6Mon rats, #P<0.05 versus 24Mon rats, ##P<0.01 versus 24Mon rats.