Extended phantom sensation: vibrotactile-based movement sensation in the area outside the inter-stimulus

Extended phantom sensation: vibrotactile-based movement sensation in the area outside the inter-stimulus
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扩展幻觉:刺激间外部区域基于振动触觉的运动感觉

DOI:
10.1080/01691864.2020.1854114
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发表时间:
2020
期刊:
影响因子:
2
通讯作者:
Yokokohji Yasuyoshi
Yokokohji Yasuyoshi
中科院分区:
计算机科学4区
文献类型:
--
作者:
Tawa Syunsuke;Nagano Hikaru;Tazaki Yuichi;Yokokohji Yasuyoshi

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振动触觉幻感是一种直观的方法来感知运动物体的定位。然而,呈现区域仅限于内部刺激。为了将呈现范围扩展到刺激间区域之外,我们试图建立一种新的数学模型来呈现比传统模型更广泛的幻像感觉。实验1-1和1-2比较了三种方法(线性、指数型和传统的刺激间模型)。结果表明,所提出的线性模型和指数模型在训练和不训练的情况下都能有效地生成外部和内部运动的感觉,并且指数模型最适合代表覆盖扩展的外部区域的准确幻相感觉。在实验2中,我们检验了γ(一个与指数型模型阻尼大小相关的参数)对呈现精度的影响。结果表明,高倾斜度模型()显示出较高的精度,并建议在呈现精度和范围之间进行权衡。本研究的结果有望为有效呈现各种间刺激外的幻感提供指导。
Vibrotactile phantom sensation is an intuitive methodology for perceiving the localization of a moving object. However, the presentation area is limited to the inter-stimulus. To extend the range of presentation beyond the inter-stimulus region, we attempted to establish a novel mathematical model for representing a wider range of phantom sensation than conventional models. The experiments 1-1 and 1-2 compared three methods (linear, exponential-like, and conventional inter-stimulus models). The results indicated that the proposed linear and exponential-like models effectively generated both the sense of outer and inner movement with and without training, and that the exponential-like model is best suited to represent accurate phantom sensations that cover the extended outer region. In experiment 2, we examined the effect ofγ, a parameter related to the magnitude of exponential-like model damping, on presentation accuracy. The results showed that the high-dumping model () showed high accuracy and suggested a trade-off between presentation accuracy and range. The findings of this study are expected to provide guidelines for the effective presentation of a wide range of phantom sensations occurring outside the inter-stimulus.
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