Fig. 1.

Effect of treadmill exercise on the spatial learning ability in the radial 8-arm maze test. Left: Number of correct choice. Right: Number of error. (A) Sham-operation group, (B) sham-operation and treadmill exercise group, (C) Huntington’s disease-induced group, (D) Huntington’s disease-induced and treadmill exercise group. ^*represents P<0.05 compared to the sham-operation group. ^#represents P<0.05 compared to the Huntington’s disease-induced group. The data are expressed as the mean±standard error of the mean (SEM).