...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Journal of psychiatry & neuroscience: JPN >An eye-tracking investigation of intentional motion perception in patients with schizophrenia
【24h】

An eye-tracking investigation of intentional motion perception in patients with schizophrenia

机译：精神分裂症患者故意运动知觉的眼动研究

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Background: Schizophrenia has been characterized by an impaired attribution of intentions in social interactions. However, it remains unclear to what extent poor performance may be due to low-level processes or to later, higher-level stages or to what extent the deficit reflects an over-(hypermentalization) or underattribution of intentions (hypomentalization). Methods: We evaluated intentional motion perception using a chasing detection paradigm in individuals with schizophrenia or schizoaffective disorder and in healthy controls while eye movements were recorded. Smooth pursuit was measured as a control task. Eye-tracking was used to dissociate ocular from cognitive stages of processing. Results: We included 27 patients with schizophrenia, 2 with schizoaffective disorder and 29 controls in our analysis. As a group, patients had lower sensitivity to the detection of chasing than controls, but showed no bias toward the chasing present response. Patients showed a slightly different visual exploration strategy, which affected their ocular sensitivity to chasing. They also showed a decreased cognitive sensitivity to chasing that was not explained by differences in smooth pursuit ability, in visual exploration strategy or in general cognitive abilities. Limitations: It is not clear whether the deficit in intentional motion detection demonstrated in this study might be explained by a general deficit in motion perception in individuals with schizophrenia or whether it is specific to the social domain. Conclusion: Participants with schizophrenia showed a hypomentalization deficit: they adopted suboptimal visual exploration strategies and had difficulties deciding whether a chase was present or not, even when their eye movement revealed that chasing information had been seen correctly.
机译：背景：精神分裂症的特征是社交互动中的意图归因受损。但是，尚不清楚在多大程度上由于低级流程或稍后的更高级别的阶段而导致的绩效不佳，或在多大程度上反映出意图过度（过度心理化）或归因不足（过度心理化）导致绩效不佳。方法：我们使用追逐检测范例评估了精神分裂症或分裂情感障碍患者和健康对照者在记录眼动情况下的故意运动知觉。平稳追赶被视为一项控制任务。眼动追踪用于使眼部脱离加工的认知阶段。结果：我们的分析包括27例精神分裂症患者，2例精神分裂症患者和29例对照。作为一个整体，患者对追赶的敏感性比对照组低，但对追赶当前的反应没有偏见。患者显示出略微不同的视觉探索策略，这影响了他们对追逐的眼睛敏感性。他们还表现出对追逐的认知敏感性下降，这不能通过顺滑追逐能力，视觉探索策略或一般认知能力的差异来解释。局限性：尚不清楚本研究中显示出的故意运动检测缺陷是否可以由精神分裂症患者的运动知觉普遍缺陷来解释，或者是否可以归因于社会领域。结论：精神分裂症患者表现为弱智化缺陷：他们采取了次优的视觉探索策略，即使在眼动表明正确掌握了追逐信息的情况下，也难以确定是否存在追逐。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号