touch spot

Japanese: touch spot(英語表記)touchspot
touch spot

…The place where the sensation of touch occurs is called the touch spot. There is a high probability that receptors exist directly under the touch spot, but rather than a one-to-one correspondence between the touch spot and the receptor as was once thought, there is a gradient in the distribution of tactile sensitivity on the skin, and it should be thought of as the touch spot being the particularly high point. Therefore, if the stimulus is strong in places other than the touch spot, a sensation of touch can occur. …

*Some of the terminology that mentions "touch spot" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…触覚のおこるところを触点とよぶ。触点touch spotの直下には受容器receptorsが高い確率で存在するが,かつて考えられたように触点と受容器が1対1に対応するのではなく,皮膚上の触感受性の分布にはこう配があり,そのとくに高いところが触点であると考えるべきである。だから,触点以外のところでも刺激を強くすれば触感覚が生じうる。…

※「touch spot」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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