结论精神分裂症病人存在中枢信息处理障碍，认知障碍与阴性阳性症状之间具有一定的内在联系。
Conclusion: There may be information processing deficit in central nervous system of schizophrenia, and patients cognitive deficit have some correlation with negative-positive symptoms.
结论行为治疗在改善慢性精神分裂症阴性症状，促进康复过程中有明显的治疗作用。
Conclusions Behavior therapy can improve the negative symptoms of the patients with chronic schizophrenia and has obvious treatment effect during recovery process.
目的：探讨社会技能训练对慢性精神分裂症阳性症状、阴性症状及认知功能的疗效。
Objective: to study the efficacy of social skill-training on the positive symptoms, negative symptoms and cognitive function of patients with chronic schizophrenia.
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