showed a trendP < 0.01
As shown in Figure 3 D, 3 weeks post‐lesion, unilateral lesioned rats injected with 6‐OHDA showed a trend of increased contralateral rotation after apomorphine administration compared with the vehicle group ( P < 0.01), but there was no significant difference between the 6‐OHDA group and the 6‐OHDA plus ECH group ( P > 0.05).