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Title: Psychophysical relations between fabric physical properties and psychological touch perceptions
Authors: Liao, X
Li, Y 
Hu, JY
Wu, XX
Li, QH
Keywords: Psychophysical Relation
Fabric Touch
Psychophysical Law
Linear Regression
Issue Date: 2014
Publisher: Textile Bioengineering & Informatics Society Ltd
Source: Textile bioengineering and informatics symposium proceedings, 2014, vols 1 and 2, 2014, p. 681-691 How to cite?
Abstract: Touch sensation perception includes three processes as physical, neurophysiological, and psychological process. There have been general agreements on quantitative measurement methods of physical features of fabrics and psychological responses from human subjects. Psychophysical relation to bridge these results, however, varied. Commonly concluded functions included logarithm (Fechner's Law), power (Stevens' Law), linear (Regression). Meanwhile, the interactive effects of thermal-tactile physical features have not investigated. Therefore, this study aims to reveal the psychophysical relations under various hypotheses and explore the potential interactive effect from thermal and tactile factors. This study used physical data obtained from a simultaneous measurement instrument FTT and psychological data collected through over 200 subjects. Results imply that a universal function between physical stimuli and psychological perceptions could be hardly achieved. Different neural stimulation mechanisms seem to prefer dissimilar function relations. It is also found from the results that thermal and tactile physical information could simultaneously affect various perception aspects including smoothness, softness and warmth.
Description: 7th Textile Bioengineering and Informatics Symposium (TBIS 2014) / 5th Asian Protective Clothing Conference (APCC 2014), Hong Kong, Peoples R China, 6-8 August 2014
ISSN: 1942-3438
Appears in Collections:Conference Paper

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