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Hybrid Ultrasonic Motor and Electrorheological Clutch System for MR-Compatible Haptic Rendering

Publications associées (34)

Current Control Strategy for Dynamic Winding Reconfiguration of Slotless Brushless DC Motors

Yves Perriard, Douglas Martins Araujo, Florian Louis Copt

Depending on the winding configuration, the intrinsic characteristic of a motor differs. By reconfiguring the winding, it becomes possible to increase the torque–speed limitation of a motor. Current proposed methodologies for dynamically reconfiguring the ...

2019

Neural correlates of performance monitoring during discrete and continuous tasks

Michael Eric Anthony Pereira

Monitoring our actions is a key function of the brain for adaptive and successful behavior. Actions can be discrete such as when pressing a button, or continuous, such as driving a car. Moreover, we evaluate our actions as correct or erroneous (performance ...

EPFL2018

A Robotic System for Adaptive Training and Function Assessment of Forelimb Retraction in Mice

Silvestro Micera, Stefano Lai, Maria Pasquini, Sara Conti

Rodent models are decisive for translational research in healthy and pathological conditions of motor function thanks to specific similarities with humans. Here, we present an upgraded version of the M-Platform, a robotic device previously designed to trai ...

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2018

Hammering Does Not Fit Fitts' Law

Auke Ijspeert, Tadej Petric, Cole Stewart Simpson

While movement is essential to human wellbeing, we are still unable to reproduce the deftness and robustness of human movement in automatons or completely restore function to individuals with many types of motor impairment. To better understand how the hum ...

Frontiers Research Foundation2017

Interactions between the corticospinal tract and premotor-motor pathways in stroke recovery

Friedhelm Christoph Hummel

Background and Purpose-Brain imaging has continuously enhanced our understanding how different brain networks contribute to motor recovery after stroke. However, the present models are still incomplete and do not fit for every patient. The interaction betw ...

American Heart Association2017

Somatosensory Cortex Plays an Essential Role in Forelimb Motor Adaptation in Mice

Alexander Mathis, Mackenzie Mathis

Our motor outputs are constantly re-calibrated to adapt to systematic perturbations. This motor adaptation is thought to depend on the ability to form a memory of a systematic perturbation, often called an internal model. However, the mechanisms underlying ...

2017

Dynamic causal modelling of EEG and fMRI to characterize network architectures in a simple motor task

Friedhelm Christoph Hummel

Dynamic causal modelling (DCM) has extended the understanding of brain network dynamics in a variety of functional systems. In the motor system, DCM studies based on functional magnetic resonance imaging (fMRI) or on magneto-/electroencephalography (M/EEG) ...

Elsevier2016

Spectral Variability in the Aged Brain during Fine Motor Control

Friedhelm Christoph Hummel

Physiological aging is paralleled by a decline of fine motor skills accompanied by structural and functional alterations of the underlying brain network. Here, we aim to investigate age-related changes in the spectral distribution of neuronal oscillations ...

2016

Disrupting the ipsilateral motor cortex interferes with training of a complex motor task in older adults

Friedhelm Christoph Hummel

Performance of unimanual movements is associated with bihemispheric activity in the motor cortex in old adults. However, the causal functional role of the ipsilateral MC (iMC) for motor control is still not completely known. Here, the behavioral consequenc ...

Oxford University Press2014

Modular organization of reaching and grasping movements investigated using EEG microstates

Dimitri Nestor Alice Van De Ville, Silvestro Micera, Elvira Pirondini, Robert Leeb, Martina Coscia, Jesús Minguillón Campos

How movements are generated and controlled by the central nervous system (CNS) is still not well understood. In this work, we tested the hypothesis of a modular organization of the brain activity during the execution of voluntary movements. In particular, ...

IEEE2014

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