帕雷多利亚是视觉感知障碍的功能
Emily McCann1, Soohyun Lee1, Felicia Coleman1
1Queensland Brain Institute, The University of Queensland, St Lucia, Queensland, Australia.
PloS one
|November 6, 2023
概括
帕雷多利亚或虚幻感知与莱维体障碍中的视觉感知缺陷有关. 这些误解反映了潜在的视力障碍,而不是帕金森病中的视觉幻觉.
科学领域:
- 神经科学是一个神经科学.
- 眼科医生 眼科 眼科
- 神经学 神经学
背景情况:
- 在模两可的刺激中感知有意义物体的pareidolias与视觉幻觉 (VH) 有现象学上的相似之处.
- VH是帕金森病 (PD) 中痴呆症的关键预测因素,也是勒维体痴呆症 (DLB) 的核心特征.
- 噪音帕雷多利亚测试 (NPT) 被提议作为DLB中VH的潜在替代标记物,显示了帕雷多利亚反应和报告的VH之间的相关性.
研究的目的:
- 为了研究各种神经疾病中的pareidolias,视觉幻觉 (VH) 和视觉感知能力之间的关系.
- 为了确定噪声偏偏度测试 (NPT) 的表现是否是由VH或潜在的视觉感知障碍驱动的.
主要方法:
- 研究了43名患者的队列,包括患有DLB/PDD,PD,典型阿尔茨海默病 (tAD) 和后皮层缩 (PCA) 的患者.
- 根据视觉感知能力的变化和VH的发病率,选择了患者组.
- 对NPT的表现进行了评估,并进行了回归分析,以确定 pareidolic 响应的预测因素.
主要成果:
- 所有患者组都报告了 pareidolias.
- 在莱维体障碍 (PD,DLB,PDD) 中,幻觉患者和非幻觉患者之间,pareidolia的发病率没有显著差异.
- 视觉感知缺陷和 pareidolic反应在PCA组中最为明显,他们没有报告VH.
- 回归分析显示,pareidolias的强烈预测是视觉感知障碍,而不是VH的存在.
结论:
- 勒维体障碍中的Pareidolias似乎反映了潜在的视觉感知障碍.
- 噪音伴侣症测试 (NPT) 可能不能作为DLB的视觉幻觉 (VH) 的直接标志物.
- 需要进一步的研究,以了解神经退行性疾病中视觉感知,pareidolias和幻觉之间的复杂相互作用.
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