Search Results - "Ivaldi, F"

Does the motor control system use multiple models and context switching to cope with a variable environment? by KARNIEL, A, MUSSA-IVALDI, F. A

“…Studies of arm movements have shown that subjects learn to compensate predictable mechanical perturbations by developing a representation of the relation…”
Get full text

Brain–machine interfaces: computational demands and clinical needs meet basic neuroscience by Mussa-Ivaldi, Ferdinando A., Miller, Lee E.

“…As long as 150 years ago, when Fritz and Hitzig demonstrated the electrical excitability of the motor cortex, scientists and fiction writers were considering…”
Get full text

Motor learning through the combination of primitives by Mussa-Ivaldi, F. A., Bizzi, E.

“…In this paper we discuss a new perspective on how the central nervous system (CNS) represents and solves some of the most fundamental computational problems of…”
Get full text

Adaptive representation of dynamics during learning of a motor task by Shadmehr, R, Mussa-Ivaldi, FA

“…We investigated how the CNS learns to control movements in different dynamical conditions, and how this learned behavior is represented. In particular, we…”
Get full text

Persistence of Motor Adaptation During Constrained, Multi-Joint, Arm Movements by Scheidt, Robert A, Reinkensmeyer, David J, Conditt, Michael A, Rymer, W. Zev, Mussa-Ivaldi, Ferdinando A

“…Department of Biomedical Engineering, Northwestern University, Evanston 60622; and Sensory Motor Performance Program, Rehabilitation Institute of Chicago,…”
Get full text

Motor Learning by Field Approximation by Gandolfo, F., Mussa-Ivaldi, F. A., Bizzi, E.

“…We investigated how human subjects adapt to forces perturbing the motion of their arms. We found that this kind of learning is based on the capacity of the…”
Get full text

A Myoelectric Computer Interface for Reducing Abnormal Muscle Activations after Spinal Cord Injury by Rizzoglio, Fabio, Sciandra, Francesca, Galofaro, Elisa, Losio, Luca, Quinland, Elisabetta, Leoncini, Clara, Massone, Antonino, Mussa-Ivaldi, F.A., Casadio, Maura

“…Myoelectric Computer Interfaces (MCIs) are a viable option to promote the recovery of movements following spinal cord injury (SCI), stroke, or other…”
Get full text

Inhaled Nitric Oxide Versus Sodium Nitroprusside for Preoperative Evaluation of Pulmonary Hypertension in Heart Transplant Candidates by Pasero, D, Rana, N.K, Bonato, R, Ribezzo, M, Ivaldi, F, Ricci, D, Grosso Marra, W, Checco, L, Lupo, M, Boffini, M, Rinaldi, M

“…Abstract Objective The development of pulmonary hypertension before heart transplantation increases the risk for postoperative right ventricular failure…”
Get full text

Perception and Action in Teleoperated Needle Insertion by Nisky, I., Pressman, A., Pugh, C. M., Mussa-Ivaldi, F. A., Karniel, A.

“…We studied the effect of delay on perception and action in contact with a force field that emulates elastic soft tissue with a rigid nonlinear boundary. Such a…”
Get full text

Changes in neuromuscular activity during motor training with a body-machine interface after spinal cord injury by Pierella, C., De Luca, A., Tasso, E., Cervetto, F., Gamba, S., Losio, L., Quinland, E., Venegoni, A., Mandraccia, S., Muller, I., Massone, A., Mussa-Ivaldi, F. A., Casadio, M.

“…Body machine interfaces (BMIs) are used by people with severe motor disabilities to control external devices, but they also offer the opportunity to focus on…”
Get full text

The remapping of space in motor learning and human–machine interfaces by Mussa-Ivaldi, F.A., Danziger, Z.

“…Studies of motor adaptation to patterns of deterministic forces have revealed the ability of the motor control system to form and use predictive…”
Get full text

Linear Combinations of Primitives in Vertebrate Motor Control by Mussa-Ivaldi, F A, Giszter, S F, Bizzi, E

“…Recent investigations on the spinalized frog have provided evidence suggesting that the neural circuits in the spinal cord are organized into a number of…”
Get full text

Inhomogeneities of InGaN/GaN MOVPE multi quantum wells grown with a two temperatures process studied by transmission electron microscopy by Kret, S., Ivaldi, F., Sobczak, K., Czernecki, R., Leszczyński, M.

“…The structural investigation of InGaN/GaN:Si multiple quantum well (MQW) samples grown by low‐pressure metal‐organic vapor phase epitaxy (LP‐MOVPE) in a two…”
Get full text

Robot-assisted adaptive training: custom force fields for teaching movement patterns by Patton, J.L., Mussa-Ivaldi, F.A.

“…Based on recent studies of neuro-adaptive control, we tested a new iterative algorithm to generate custom training forces to "trick" subjects into altering…”
Get full text

Convergent force fields organized in the frog's spinal cord by Giszter, SF, Mussa-Ivaldi, FA, Bizzi, E

“…Microstimulation of the gray matter of the frog's spinal cord was used to elicit motor responses. Force responses were recorded with the frog's ankle clamped…”
Get full text

Investigation of the In composition in InGaN/GaN quantum wells deposited by MOVPE and/or MBE with emission from violet to green by Mutta, G. R., Ruterana, P., Doualan, J. L., Chauvat, M. P., Ivaldi, F., Kret, S., Kaufmann, N. A. K., Dussaigne, A., Martin, D., Grandjean, N.

“…Transmission electron microscopy and photoluminescence investigations have been carried out on a series of quantum wells grown by molecular beam epitaxy and…”
Get full text

Learning to Move Amid Uncertainty by Scheidt, Robert A, Dingwell, Jonathan B, Mussa-Ivaldi, Ferdinando A

“…  1 Department of Biomedical Engineering, Marquette University, Milwaukee, Wisconsin 53201; and   2 Sensory Motor Performance Program, Rehabilitation Institute…”
Get full text

Computations Underlying the Execution of Movement: A Biological Perspective by Bizzi, Emilio, Mussa-Ivaldi, Ferdinando A., Giszter, Simon

“…To execute voluntary movements, the central nervous system must transform the neural representation of the direction, amplitude, and velocity of the limb,…”
Get full text

Therapist recognition of impaired muscle groups in simulated multi-joint hypertonia by Melendez-Calderon, A., Piovesan, D., Mussa-Ivaldi, F. A.

“…It is common in today's clinical practice for a therapist to physically manipulate patients' limbs to assess hypertonic conditions (e.g. spasticity, rigidity,…”
Get full text

Haptic recognition of dystonia and spasticity in simulated multi-joint hypertonia by Piovesan, D., Melendez-Calderon, A., Mussa-Ivaldi, F. A.

“…This paper investigates the capability of naïve individuals to recognize dystonic- or spastic- like conditions through physical manipulation of a virtual arm…”
Get full text