| Surface texture can bias tactile form perception. | |
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MedLine Citation:
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PMID: 20981539 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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The sense of touch is believed to provide a reliable perception of the object's properties; however, our tactile perceptions could be illusory at times. A recently reported tactile illusion shows that a raised form can be perceived as indented when it is surrounded by textured areas. This phenomenon suggests that the form perception can be influenced by the surface textures in its adjacent areas. As perception of texture and that of form have been studied independently of each other, the present study examined whether textures, in addition to the geometric edges, contribute to the tactile form perception. We examined the perception of the flat and raised contact surface (3.0 mm width) with various heights (0.1, 0.2, 0.3 mm), which had either textured or non-textured adjacent areas, under the static, passive and active touch conditions. Our results showed that texture decreased the raised perception of the surface with a small height (0.1 mm) and decreased the flat perception of the physically flat surface under the passive and active touch conditions. We discuss a possible mechanism underlying the effect of the textures on the form perception based on previous neurophysiological findings. |
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Authors:
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Masashi Nakatani; Robert D Howe; Susumu Tachi |
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Publication Detail:
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Type: Journal Article Date: 2010-10-28 |
Journal Detail:
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Title: Experimental brain research. Experimentelle Hirnforschung. Expérimentation cérébrale Volume: 208 ISSN: 1432-1106 ISO Abbreviation: Exp Brain Res Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2011-01-03 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 0043312 Medline TA: Exp Brain Res Country: Germany |
Other Details:
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Languages: eng Pagination: 151-6 Citation Subset: IM |
Affiliation:
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Graduate School of Information Science and Technology, The University of Tokyo, Bunkyo, Tokyo, Japan. masashi_nakatani@ipc.i.u-tokyo.ac.jp |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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