ABSTRACT Background Testamentary capacity is an orphan topic in most psychiatric literatures especially in Nigeria. Trends of events are however changing as knowledge advances. Aims To appreciate the legal and medical interface, aid our understanding of the factors in the assessment of testamentary capacity and mastery of the principles involved. Method Vignette is made of one of the one of the two cases that were seen in Psychiatric Hospital Uselu, Benin-City, Edo State, Nigeria between March and May 2012. Theoretical basis and methodical adaptation in different instances as they relate to assessment of testamentary capacity were discussed. Results Testamentary freedom is limited by customary law which is not uniform because of cultural heterogeneity in the Nigeria setting. More detailed assessment is required when assessing testamentary capacity in special population. Conclusion Psychiatrist should prepare for the possibility of more of such request in the future.

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案例报告：尼日利亚受试者遗嘱能力的精神病学评估

摘要 背景遗嘱能力是大多数精神病学文献中的孤儿话题，尤其是在尼日利亚。然而，随着知识的进步，事件的趋势正在发生变化。目的 了解法律和医疗的界面，帮助我们了解评估遗嘱能力和掌握相关原则的因素。Method Vignette 由 2012 年 3 月至 5 月在尼日利亚埃多州贝宁市乌塞卢精神病医院看到的两个案例之一组成。 不同情况下的理论基础和有条不紊的适应，因为它们与遗嘱评估有关容量进行了讨论。结果 遗嘱自由受到习惯法的限制，由于尼日利亚环境中的文化异质性，习惯法并不统一。在评估特殊人群的遗嘱能力时，需要进行更详细的评估。结论精神科医生应该为将来可能出现更多此类请求做好准备。