Physical aspects of softness perception

W.M. Bergmann Tiest, A.M.L. Kappers

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Softness can be physically expressed in different ways, for example as a stiffness value (spring constant), compliance value (the inverse of stiffness), or Young’s modulus. The relation between these quantities is discussed, as well as the psychophysical techniques for characterising the perception of these quantities. For perception of softness, multiple cues are available: visual cues include the deformation of the material around the fingers, while haptic cues include the ratio between applied force and resulting displacement of the material, and the force distribution over the contact area. Furthermore, to register these haptic cues, both cutaneous and kinaesthetic information can be used. The role of these different cues and types of information is discussed and also the interaction between the hand and the deformable material.
Original languageEnglish
Title of host publicationMultisensory softness : perceived compliance from multiple sources of information
EditorsM. Di Luca
Place of PublicationLondon
Number of pages13
ISBN (Electronic)9781447165330
ISBN (Print)9781447165323
Publication statusPublished - 2014
Externally publishedYes

Publication series

NameSpringer Series on Touch and Haptic Systems


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