Diagram of the first three components of principal component analysis in rotated space (A) and principal component scores of rats in each group derived from PCA of behavioral variables (B). Data points represent the mean score of each group. Scores for each component were compared using MANOVA; p < 0.05. DHQ; diiodohydroxyquinoline, OFT; open field test, OFTD; distance traveled, OFTMS; mean speed, OFTTI; time immobile, OFTCT; central time, OFTCT; central distance, OFTTT; thigmotaxis time, RRFOL; rotarod test fall off latency, CAPWL; cold allodynia paw withdrawal latency, HPRL; hot plate test reaction latency, RSMT; Randall–Selitto mechanical threshold.