Time-evolving tactile sensations are important in communication between animals as well as humans. In recent years, this research area has been defined as “tactileology,” and various studies have been conducted. This study utilized the tactile Gestalt theory to investigate these sensations. Since humans recognize shapes with their visual sense and melodies with their auditory sense based on the Prägnanz principle in the Gestalt theory, this study assumed that a time-evolving texture sensation is induced by a tactile Gestalt. Therefore, the operation of such a tactile Gestalt was investigated. Two psychophysical experiments were conducted to clarify the operation of a tactile Gestalt using a tactile illusion phenomenon called the velvet hand illusion (VHI). It was confirmed that the VHI is induced in a tactile Gestalt when the laws of closure and common fate are satisfied. Furthermore, it was clarified that the tactile Gestalt could be formulated using the proposed factors, which included the laws of elasticity and translation, and it had the same properties as a visual Gestalt. For example, the strongest Gestalt factor had the highest priority among multiple competing factors.

中文翻译：

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基于格式塔理论的触觉错觉研究

随着时间的推移，触觉在动物和人类之间的交流中很重要。近年来，该研究领域被定义为“触觉学”，并进行了各种研究。本研究利用触觉格式塔理论来研究这些感觉。由于基于格式塔理论中的 Prägnanz 原理，人类通过视觉识别形状，通过听觉识别旋律，因此本研究假设触觉格式塔会诱发随时间变化的纹理感觉。因此，研究了这种触觉格式塔的操作。进行了两个心理物理学实验，以使用称为天鹅绒手部错觉 (VHI) 的触觉错觉现象来阐明触觉格式塔的操作。当闭合定律和共同命运得到满足时，已经证实 VHI 在触觉格式塔中被诱导。此外，还澄清了触觉格式塔可以使用所提出的因素来制定，其中包括弹性和平移定律，并且它具有与视觉格式塔相同的特性。例如，最强的格式塔因素在多个竞争因素中具有最高的优先级。