NDLI: The effect of stiffness and curvature on the haptic identification of surfaces

Content Provider	IEEE Xplore Digital Library
Author	Chib, V.S. Patton, J.L. Lynch, K.M. Mussa-Ivaldi, F.A.
Copyright Year	2005
Description	Author affiliation: Sensory Motor Performance Program, Northwestern Univ., Evanston, IL, USA (Chib, V.S.; Patton, J.L.; Lynch, K.M.; Mussa-Ivaldi, F.A.)
Abstract	We perform experiments to investigate how humans acquire an internal representation of virtual objects through the execution of reaching movements across the object surface. Subjects were instructed to make reaching movements between points lying on the boundary of a planar virtual surface of varying stiffness. Results suggest two types of internal representation: force perturbations and object boundaries. In the first case, a rectilinear hand movement is enforced by opposing the interaction forces. In the second case, the trajectory is conformed to the object boundary so as to reduce interaction forces. While this dichotomy is evident for very rigid and very soft objects, the likelihood of identifying a surface boundary depended, in a smooth and monotonic way, on the average force experienced in the first movements. This continuum of interactive behaviors suggests that the nervous system uses a weighted combination of two control strategies, one generating a compensatory response, the other a compliant motion.
Sponsorship	CNR - Nat. Res. Council Scuola Superiore di Studi Universitari e di Perfezionamento Sant'Anna Univ. of Pisa
Starting Page	126
Ending Page	131
File Size	296089
Page Count	6
File Format	PDF
ISBN	0769523102
DOI	10.1109/WHC.2005.131
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-03-18
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Laboratories Humans Nervous system Physiology Haptic interfaces Mechanical systems Intelligent systems Mechanical engineering Intelligent sensors Biomedical engineering
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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