Objective:To observe the effects of curcumin on cognitive function of APPswe/ PS1 d E9 double transgenic mice and the expression of α-synuclein and MAP2 in hippocampus,and to explore the potential mechanisms. Methods:The 3-month-old APPswe/PS1 d E9 double transgenic mice were randomly divided into untreated group(n=10),curcumin low-dose group(n=10)and curcumin high dose group(n=10). Normal diet,diet mixed with 160 mg/kg curcumin and diet mixed with 1 000 mg/kg curcumin were given,respectively. The Morris wa...