Effects of diet and exercise on spatial learning performance using the water maze. (A) Effects of between group and time an interaction was showed. In addition, there were significant differences in the group and time respectively. (B) In the final period the 3 days NNS, OHS and ONT compared to the OHS and ONS significantly lower. Values are means ± SE. *p < 0.05 vs NNS, #p < 0.05 vs ONS.