Conclusion: Ability of Chinese characters reading was helpful to estimate premorbid intelligence of the patients with dementia.
结论：可以通过汉字阅读能力的评估判断早期痴呆被试的病前智力。
Estimation of premorbid intelligence is imperative to detect general cognitive decline and therefore it is important to both research and clinical work.
病前智力的估计是甄别、诊断智能衰退的必要条件，有重要的临床和科研意义。
Estimation of premorbid intelligence is imperative to detect general cognitive decline and therefore it is important to both research and clinical work.
病前智力的估计是甄别、诊断智能衰退的必要条件，有重要的临床和科研意义。
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