6.The cognitive function assessment comprised of: Wechsler Adult Intelligence-Revised in China (WAIS-RC) , Wechsler Memory Scale ( WMS) , Wisconsin Card Sort Test (WCST).

• 两组患者认知功能测验包括:韦氏成人智力量表(WAIS-RC)、韦氏记忆量表(WMS)及威期康星卡片分类测验(WCST)。