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目前孤独症的病因未明,各种证据支持孤独症是由多种生物学因素所致的一种神经精神发育综合征。目前认为遗传因素可能是其主要影响因素,病毒感染、免疫系统缺陷、神经系统疾病以及母孕期不良因素也起到部分作用,其结果是造成脑结构、神经传导异常及脑组织改变,导致脑功能受损。从其发病机制来看,社会认知和脑连通缺陷是近年来的热门话题,并且得到神经心理学和神经影像学的证实。
At present, the etiology of autism is unknown, and various evidences support that autism is caused by a variety of biological factors, a neuropsychiatric syndrome. At present, genetic factors may be the main influencing factors. The virus infection, immune system defects, nervous system diseases and adverse factors during the first trimester of pregnancy also play a part. The result is brain structure, abnormal nerve conduction and brain tissue changes, resulting in brain function Damaged. From its pathogenesis point of view, social cognitive and brain connectivity defects are hot topics in recent years, and neuropsychological and neuroimaging confirmed.