痴呆·脾肾气虚证(dementia with syndrome of qi deficiency of spleen and kidney)是指脾肾阳气不足,以表情呆滞,沉默寡言,记忆减退,失认失算,口齿含糊,词不达意,伴腰膝酸软,肌肉萎缩,食少纳呆,气短懒言,口涎外溢,或四肢不温,腹痛喜按,五更泄泻,舌淡白,舌体胖大,苔白,脉沉细弱等为常见症的痴呆证候。