Introduction

The moving rubber hand illusion allows the evaluation both the sense of body ownership and agency using visuo-motor stimulations.

Methods

We used the moving rubber hand illusion in anatomic congruence with explicit measures to compare active asynchronous and passive synchronous movements in patients diagnosed with schizophrenia with first rank symptoms (FRS) (n = 31) versus without FRS (n = 25).

Results

Patients with FRS are characterized by a lack of agency in active asynchronous condition. The two groups had no sense of ownership in synchronous passive condition. Using a multivariate regression model, we found an association between agency and body ownership measures in the active asynchronous condition in two groups (OR: 1.825, p < 0.001). In the passive condition, this association was only present in the group with first rank symptoms (OR: 2.04, p < 0.001).

Conclusion

Temporal proximity and sensorimotor information are essential in the understanding of self-consciousness disorders in schizophrenia.

中文翻译：

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使用移动的橡胶手错觉在有和没有一级症状的精神分裂症中的自我意识障碍

介绍

移动的橡胶手错觉允许使用视觉运动刺激评估身体所有权和代理的感觉。

方法

我们使用解剖学一致性中的移动橡胶手错觉和明确的措施来比较诊断为一级症状 (FRS) (n = 31) 与没有 FRS (n = 25) 的精神分裂症患者的主动异步和被动同步运动。

结果

FRS 患者的特点是在主动异步条件下缺乏代理。两组在同步被动状态下没有归属感。使用多元回归模型，我们发现了两组在主动异步条件下的代理和身体所有权措施之间的关联（OR：1.825，p < 0.001）。在被动条件下，这种关联仅存在于具有一级症状的组中（OR：2.04，p < 0.001）。

结论

时间接近度和感觉运动信息对于理解精神分裂症的自我意识障碍至关重要。