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A new method for evaluating kinesthetic acuity during haptic interaction

Published online by Cambridge University Press:  10 September 2014

D. De Santis*
Affiliation:
Department of Robotics, Brain and Cognitive Sciences (RBCS), Istituto Italiano di Tecnologia, Genova, Italy
J. Zenzeri
Affiliation:
Department of Robotics, Brain and Cognitive Sciences (RBCS), Istituto Italiano di Tecnologia, Genova, Italy
M. Casadio
Affiliation:
Department of Robotics, Brain and Cognitive Sciences (RBCS), Istituto Italiano di Tecnologia, Genova, Italy Department of Informatics, Bioengineering, Robotics and Systems (DIBRIS), University of Genova, Genova, Italy
L. Masia
Affiliation:
Department of Robotics, Brain and Cognitive Sciences (RBCS), Istituto Italiano di Tecnologia, Genova, Italy Robotic Research Center, Division of Mechatronics & Design, Nanyang Technological University, Singapore
P. Morasso
Affiliation:
Department of Robotics, Brain and Cognitive Sciences (RBCS), Istituto Italiano di Tecnologia, Genova, Italy Department of Informatics, Bioengineering, Robotics and Systems (DIBRIS), University of Genova, Genova, Italy
V. Squeri
Affiliation:
Department of Robotics, Brain and Cognitive Sciences (RBCS), Istituto Italiano di Tecnologia, Genova, Italy
*
*Corresponding author. Email: dalia.desantis@iit.it
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Although proprioceptive impairment is likely to affect in a significant manner the capacity of stroke patients to recover functionality of upper limb, clinical assessment methods currently in use are rather crude, with a low level of reliability and a limited capacity to discriminate the relevant features of this severe deficit. In the present paper, we describe a new technique based on robot technology, with the goal of providing a reliable, accurate, and quantitative evaluation of kinesthetic acuity, which can be integrated in robot therapy. The proposed technique, based on a pulsed assistance paradigm, has been evaluated on a group of healthy subjects.

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Articles
Copyright
Copyright © Cambridge University Press 2014