在改变幻觉大小的过程中,多感官处理和自身感知可塑性
Kirralise J Hansford1, Daniel H Baker2, Kirsten J McKenzie3
1University of York, Heslington, York, YO10 5DD, UK. kirralisehansford@gmail.com.
Experimental brain research
|January 2, 2024
概括
将非自然主义的听觉输入添加到增强现实手指伸展幻觉中,增强了没有触觉反的主观体验. 然而,这一审计补充并没有改善相关任务的性能.
科学领域:
- 认知心理学 认知心理学
- 神经科学是一个神经科学.
- 人与计算机的互动.
背景情况:
- 改变身体尺寸的幻觉通常依赖于视觉和触觉线索.
- 听觉输入,无论是自然主义还是非自然主义,以前都影响过身体幻觉和尺寸估计.
- 增强现实 (AR) 为沉浸式感官体验提供了一个平台.
研究的目的:
- 为了研究非自然的听觉输入对AR环境中的手动调整尺寸幻象的影响.
- 确定听觉输入是否增强主观幻觉的强度和客观任务的表现.
- 探索身体幻觉中听觉和触觉反之间的相互作用.
主要方法:
- 44名参与者在AR中经历了三种条件的手指伸展幻觉:没有反,只有触觉反,以及综合触觉和听觉反.
- 参与者完成了点触和统治者判断任务以评估绩效.
- 主观幻觉强度是通过实验后的问卷测量.
主要成果:
- 在没有触觉反的情况下,听觉输入显著增加了主观幻觉的强度.
- 在有触觉反的情况下,添加听觉输入并没有增强主观幻觉的强度.
- 在添加听觉输入的任何任务中都没有观察到任何性能改善.
结论:
- 非自然主义的听觉输入可以增强身体错觉的主观体验,特别是在缺少一致的触觉反时.
- 听觉刺激似乎不会在这个基于AR的调整尺寸的幻觉中增强客观的性能指标.
- 未来的研究可以探索不同类型的听觉刺激或幻觉范式.
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