精神发育迟缓与精神分裂症凶杀行为的对比分析

Characteristics of Forensic Psychiatry on Murder Case with Mental Retardation and Schizophrenia

目的探讨精神发育迟缓(MR)与精神分裂症发生凶杀行为的犯罪学特征和法定能力的评定。方法对20例鉴定为MR和58例鉴定为精神分裂症患者的资料进行回顾性分析。结果MR和精神分裂症涉案在性别、年龄、职业、侵犯对象、预谋等方面有一定的共同点,而在作案动机、累犯率、案发前确立目标、案发后自我保护上又各有特点。结论应加大对兴奋型MR患者和具有被害妄想、嫉妒妄想的精神分裂症患者监管力度;在司法精神病学鉴定中分析案例的犯罪学特征,有助于MR和精神分裂症的诊断和法定能力的评定。

Objective To explore the criminological characteristics and appraisal traits of capacity for responsibility in murder by patients with mental retardation and schizophrenics. Methods 20 cases who were appraised as mental retardation and 58 ones as schizophrenics were retrospectively compared. Results They were similar in gender, age, occupation, casualty and criminal plan , but different in criminal motives, criminal targets, action after crimes, repeated crimes. Conclusion The irritability mental retarda tion patients and schizophrenics with delusion of persecution or jealousy would be warded strictly. The criminological characteristics is helpful to assess the capacity for responsibility as well as differential diagnose mental retardation and schizophrenics.