Objective To evaluate the values of visual retention test (VRT) in the patients with silent brain infarction (SBI).
目的评估视觉保持测验（VRT）在无症状性脑梗死（SBI）中的应用价值。
The symptom checklist 90(SCL 90) and neurobehavior evaluation system(NES C2) were used to measure the mood state, mental arithmetic, symbol substitution and visual retention factors.
应用SCL- 90量表及神经行为测试系统（NES-C2 ）测量舰员与学员出海前后的情感状态、心算、符号译码、视觉保留等因子。
The symptom checklist 90(SCL 90) and neurobehavior evaluation system(NES C2) were used to measure the mood state, mental arithmetic, symbol substitution and visual retention factors.
应用SCL- 90量表及神经行为测试系统（NES-C2 ）测量舰员与学员出海前后的情感状态、心算、符号译码、视觉保留等因子。
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