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目的 :研究事件相关电位P3 0 0 对交通事故颅脑外伤后智残评定中伪装的鉴别作用。方法 :由专业人员用以下 3种方法对被鉴定人的智力和认知状况进行评估。 1、《中国精神障碍分类与诊断标准》 (CCMD -Ⅱ、CCMD -Ⅲ )智力迟滞诊断标准 ;2、事件相关电位P3 0 0 ;3、韦氏成人智力测量。对 3种方法评定结果进行比较。结果 :事件相关电位P3 0 0 与《中国精神障碍分类与诊断标准》智力迟滞诊断标准评定结果呈显著正相关。韦氏成人智力测量总智商与《中国精神障碍分类与诊断标准》智力迟滞诊断标准评定结果无相关。事件相关电位P3 0 0 评定结果与韦氏成人智力测量总智商无相关。结论 :事件相关电位P3 0 0 不受韦氏成人智力测量总智商影响 ,可较真实反映被鉴定者智力水平。可作为鉴别交通事故伤者智残评定伪装的参考指标。
Objective: To study the discriminating effect of event-related potential (P3 0 0) on camouflage disability assessment of traumatic brain injury after traffic accident. Methods: Professionals use the following three methods to assess the intelligence and cognitive status of the appraised person. 1, Diagnostic Criteria for Classification and Diagnosis of Mental Disorders in China (CCMD-II, CCMD-III); 2, Event-related potentials P3 0 0; 3, Wechsler Adult Intelligence Measurement. The results of the three methods were compared. Results: The event-related potential P3 0 0 was significantly positively correlated with the diagnostic criteria of mental retardation in Chinese Classification and Diagnosis of Mental Disorders. Wechsler adult intelligence measurement total IQ and “China mental disorders classification and diagnostic criteria” diagnostic criteria for mental retardation no correlation. The event-related potential P3 0 0 was not correlated with Wechsler Adult Intelligence measures total IQ. Conclusion: The event-related potential P3 0 0 is independent of Wechsler’s adult intelligence measures, which can reflect the intellectual level of the identified subjects more accurately. It can be used as a reference index to identify disguise of mentally and severely disabled persons injured in traffic accidents.