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Title: fMRI compatible haptic interfaces to investigate human motor control
Authors: Burdet, E. 
Gassert, R.
Gowrishankar, G.
Chapuis, D.
Bleuler, H.
Issue Date: 2006
Citation: Burdet, E.,Gassert, R.,Gowrishankar, G.,Chapuis, D.,Bleuler, H. (2006). fMRI compatible haptic interfaces to investigate human motor control. Springer Tracts in Advanced Robotics 21 : 25-34. ScholarBank@NUS Repository.
Abstract: We are developing haptic interfaces compatible with functional magnetic resonance imaging (fMRI) to study the brain mechanisms of motor control in humans. This paper describes the different phases of our project, examines the constraints and presents possible solutions. The constraints imposed by the harsh yet sensitive MR environment as well as the smooth and safe control required for interaction with human motion demand a novel robotic technology. Our concept is based on a hydrostatic master-slave system used to power the robot near the scanner from outside the shielded MR room. Force/torque and position sensors measure the deflection of an elastic polymer probe via light intensity measurement over fiber optics, thus allowing all electronic components to be placed outside the MR room. This concept was validated through two interfaces able to provide force and motion feedback simultaneously with imaging. © Springer-Verlag Berlin/Heidelberg 2006.
Source Title: Springer Tracts in Advanced Robotics
ISBN: 3540288163
ISSN: 16107438
DOI: 10.1007/11552246_3
Appears in Collections:Staff Publications

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