Method of Modifying Spatial Taste Location Through Multielectrode Galvanic Taste Stimulation

Method of Modifying Spatial Taste Location Through Multielectrode Galvanic Taste Stimulation
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通过多电极电味觉刺激改变空间味觉位置的方法

DOI:
10.1109/access.2021.3068263
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发表时间:
2021
期刊:
影响因子:
3.9
通讯作者:
Aoyama Kazuma
Aoyama Kazuma
中科院分区:
计算机科学3区
文献类型:
--
作者:
Nakamura Hiromi;Mizukami Makoto;Aoyama Kazuma

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电流味觉刺激(GTS)是一种诱导、抑制和增强人类味觉的电刺激技术。这项工作的重点是GTS的方法,诱导味觉使用电极连接到下巴和脖子的后面。作者的目标是建立一种先进的GTS方法,在口腔内的特定位置诱导味觉,而无需在口腔内连接电极。传统上,口腔中已经感知到味觉的位置是不可控的,并且其已经用于诱导整个口腔或咽喉的味觉。我们假设味觉感应的位置会受到口腔内电位分布的影响。然后,我们进行了模拟和实验,以验证关于控制空间选择性的假设。具体来说,我们开发了一种新的GTS配置使用电极连接在头部周围。我们验证了所开发的多电极GTS配置可以操纵舌头中的电位分布,并且它可以操纵味觉被诱导的位置。据我们所知,这是第一个报告,实现了在口腔中的特定位置的空间选择性味觉的诱导。
Galvanic taste stimulation (GTS) is a technique of electrical stimulation that induces, inhibits, and enhances human taste sensations. This work focuses on a GTS method that induces taste sensation using electrodes attached to the chin and to the back of the neck. The authors aim to establish an advanced GTS method that induces taste sensations at specific locations inside the buccal cavity, without attaching electrodes inside the mouth. Conventionally, the location in the buccal cavity where the taste sensation has been perceived was uncontrollable, and it has been used to induce taste sensations for the whole buccal cavity or the throat. We hypothesized that the position of the taste induction can be affected by the electrical potential distribution inside the mouth. Then, we conducted simulations and experiments to verify the hypothesis with regard to control over spatial selectivity. Specifically, we developed a novel GTS configuration using electrodes attached around the head. We verified that the developed multielectrode GTS configuration can manipulate the electrical potential distribution in the tongue, and that it can manipulate the position where the sensation of taste is induced. To the best of our understanding, this is the first report that realized induction of spatially selective taste sensations at a specific position in the buccal cavity.
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