All subjects performed three kinds of neuropsychiatric tests, that is, number-connection test type A (NCT-A), digital symbol test (DST), and symbol digital test (SDT) before MR examinations.

• 所有研究对象在MRI检查前进行数字连接试验-A(NCT-A)、数字符号试验(DST)以及符号数字试验(SDT)。