工具幻觉揭示了身体形象如何修改身体模式
Alp Erkent1, Emre Ugur1, Erhan Oztop2
1Cognitive Science MA Program, Bogazici University.
概括
这项研究表明,使用工具可以改变我们对身体尺寸的看法. 在工具使用后体验工具幻觉可以扩展我们的手臂长度感,将身体形象与运动表征联系起来.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 机构代表机构的代表.
背景情况:
- 手幻觉和工具使用范式通过多感官集成研究身体表征.
- 这些方法通常被单独研究,限制了对它们相互作用的理解.
研究的目的:
- 引入一种结合工具使用和手幻觉的新范式.
- 调查感知身体表现的变化是否可以诱导运动表现的变化,反之亦然.
主要方法:
- 参与者从事各种工具长度的工具使用任务.
- 应用了工具幻觉,参与者持有工具,同时观察使用相同工具的手.
- 对照实验评估了先前工具使用,实施方案和工具长度不匹配的影响.
主要成果:
- 长长的工具的积极使用导致了前臂的扩展运动表现.
- 经历工具幻觉与长度不匹配 (短持,长观察) 的扩展前臂表示.
- 这些影响取决于之前的工具使用,实施方案和工具长度差异.
结论:
- 前臂长度的运动表现,是身体模式的一部分,通过身体形象改变进行调制.
- 这项研究弥合了工具使用和身体幻觉研究之间的差距,揭示了对身体表现的双向影响.
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