Methods: The protective effects of Naokangtai capsule on the learning and memory impairment in VD rats model was assessed by step-through and marris water maze technique.

• 方法:制备VD模型,采用避暗法及水迷宫法评价脑康泰对VD模型大鼠学习记忆的影响,并用荧光分光光度法测定大鼠海马组织中5-羟色胺、多巴胺和去甲肾上腺素含量。