Bergmann Tiest Wouter M, Kosters N Dolfine, Kappers Astrid M L, Daanen Hein A M
Helmholtz Institute, Utrecht University, 3584 CH Utrecht, The Netherlands.
Acta Psychol (Amst). 2012 Oct;141(2):159-63. doi: 10.1016/j.actpsy.2012.07.014. Epub 2012 Sep 8.
In daily life, people interact with textiles of different degrees of wetness, but little is known about the mechanics of wetness perception. This paper describes an experiment with six conditions regarding haptic discrimination of the wetness of fabrics. Three materials were used: cotton wool, sponge-structured viscose and thin viscose. Two ways of touching were investigated: static touching, in which only thermal cues were available, and dynamic touching, in which additional mechanical cues were available. For dynamic touching, average Weber fractions for discrimination were around 0.3, whereas for static touching, they ranged from 0.34 to 0.63. The results show that people can make use of the additional mechanical cues to significantly improve their discrimination performance. There was no significant difference between Weber fractions for the three materials, showing that wetness can be judged as a separate perceptual quantity, independent of the material.
在日常生活中，人们会与不同湿度的纺织品进行交互，但对于湿度感知的机制却知之甚少。本文描述了一项关于织物湿度触觉辨别六种条件的实验。使用了三种材料：脱脂棉、海绵结构粘胶纤维和薄粘胶纤维。研究了两种触摸方式：静态触摸，即仅能获得热线索；动态触摸，即能获得额外的机械线索。对于动态触摸，辨别平均韦伯分数约为0.3，而对于静态触摸，其范围为0.34至0.63。结果表明，人们可以利用额外的机械线索显著提高辨别性能。三种材料的韦伯分数之间没有显著差异，表明湿度可被视为一个独立于材料的单独感知量。
