Thirty normal older adults and 30 normal young controls matched for the sex, education level and VIQ of the WAIS-R were participated in the study.

• 共有30位来自于社区的正常老年人，与30位正常年轻控制组参与本研究。年轻组在性别、教育程度、以及语文智力功能与老年组无显著差异。