Age-Related Differentiation of Sensorimotor Control Strategies During Pursuit and Compensatory Tracking

Heenan, Megan ;   Scheidt, Robert A. ;   Beardsley, Scott

Tags Neuromuscular systems - Computational modelingNeuromuscular systems - Central mechanisms

Motor control deficits during aging have been well-documented. Various causes of neuromotor decline, including both peripheral and central...

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Alteration in Cardiovascular and Postural Control Relationship in Non-Fainting Elderly Individuals

Garg, Amanmeet ;   Xu, Da ;   Bruner, Michelle ;   Blaber, Andrew Philip

Tags Neuromuscular systems - Postural and balanceNeuromuscular systems - EMG processing and applicationsMotor learning, neural control, and neuromuscular systems

It is known that standing induces orthostatic stress on the cardiovascular system. Our previous work presented that the postural control...

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Application of Wavelet Packet Transform on Myoelectric Pattern Recognition for Upper Limb Rehabilitation after Stroke

Wang, Dongqing ;   Zhang, Xu ;   Chen, Xiang ;   Zhou, Ping

Tags Neuromuscular systems - EMG processing and applicationsNeurological disorders - Stroke

Myoelectric pattern recognition applied to high-density surface electromyographic (sEMG) recordings from paretic muscles has been proven to...

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Can Transcranial Direct Current Stimulation Enhance Performance of Myoelectric Control for Multifunctional Prosthesis?

Zhang, Dingguo ;   Pan, Lizhi

Tags Neuromuscular systems - EMG processing and applications

Pattern recognition based myoelectric control has been studied by many researchers. However, the classification accuracy was pretty low for...

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Changes of HD-sEMG Maps of the Upper Limb During Isometric Endurance Contractions

Rojas, Mónica ;   Mañanas, Miquel Angel

Tags Neuromuscular systems - EMG processing and applicationsNeuromuscular systems - Central mechanismsNeuromuscular systems - Peripheral mechanisms

Recent research in the field of surface EMG recorded with 2D electrode arrays have shown muscle adaptations as reflected on the spatial...

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Classification of Hand Movements in Amputated Subjects by sEMG and Accelerometers

Atzori, Manfredo ;   Gijsberts, Arjan ;   Müller, Henning ;   Caputo, Barbara

Tags Neuromuscular systems - EMG processing and applicationsMotor neuroprostheses - RoboticsWearable systems for neurorehabilitation - Reaching and grasping

Numerous recent studies have aimed to improve myoelectric control of prostheses. However, the majority of these studies is characterized by...

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Effects of Very Short Pauses on Electromyographic Variables Measured During Fatiguing Isometric Contractions

Peixoto, Luciana Roberta Tenório ;   da Silveira Bianchi Perez, Fabiana ;   Soares, Fabiano ;   Bandeira de Mello, Maxwell Diógenes Bandeira de Mello ;   Miosso, Cristiano ;   da Rocha, Adson F.

Tags Neuromuscular systems - EMG processing and applicationsHuman performance - Ergonomics and human factors

Abstract- 15 healthy men (26.6 ± 4.6 years old, weight of 70.7 ± 8.6 kg, and height of 1.750 ± 0.072 m) performed three 30-seconds isometric...

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Electrophysiological and Behavioral Measures of Visuo-Motor Learning for Application in Dystonia

Quinlivan, Brendan ;   Butler, John ;   Hutchinson, Michael ;   O'Riordan, Sean ;   Ridwan, Raquib ;   Reilly, Richard

Tags Motor learning, neural control, and neuromuscular systemsSensory neuroprostheses - VisualNeuromuscular systems - EMG processing and applications

Dystonia is the third most common movement disorder worldwide and drastically reduces the quality of life of those who are affected. Despite...

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Enhancing Practical Multifunctional Myoelectric Applications through Implicit Motor Control Training Systems

Ison, Mark ;   Artemiadis, Panagiotis

Tags Neuromuscular systems - EMG modelsMotor neuroprostheses - RoboticsMotor neuroprostheses - Prostheses

Despite holding promise for advances in prostheses and robot teleoperation, myoelectric controlled interfaces have had limited impact in...

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Estimation of Continuous Multi-DOF Finger Joint Kinematics from Surface EMG Using a Multi-Output Gaussian Process

Ngeo, Jimson ;   Tamei, Tomoya ;   Shibata, Tomohiro

Tags Neuromuscular systems - EMG processing and applicationsMotor neuroprostheses - RoboticsNeuromuscular systems - EMG models

Surface electromyographic (EMG) signals have often been used in estimating upper and lower limb dynamics and kinematics for the purpose of...

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Haptic Proprioception in a Virtual Locomotor Task

Karunakaran, Kiran ;   Abbruzzese, Kevin ;   Xu, Hao ;   Ehrenberg, Naphtaly ;   Foulds, Richard

Tags Neuromuscular systems - Learning and adaptionNeuromuscular systems - LocomotionMotor learning, neural control, and neuromuscular systems

Normal gait needs both proprioceptive and visual feedback to the nervous system to effectively control the rhythmicity of motor movement....

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Internal Muscle Activity Imaging from Multi-Channel Surface EMG Recordings: A Validation Study

Liu, Yang ;   Ning, Yong ;   He, Jinbao ;   Li, Sheng ;   Zhou, Ping ;   Zhang, Yingchun

Tags Neuromuscular systems - EMG processing and applicationsNeuromuscular systems - Computational modelingNeuromuscular systems - EMG models

The developed muscle activity imaging approach (MAI) was validated with surface EMG and intramuscular EMG signals simultaneously acquired from...

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Joint Force Estimation Using Time-Varying SEMG Feature in Fatiguing Contraction

Youngjin, Na ;   Kim, Yunjoo ;   Kim, Jung

Tags Neuromuscular systems - EMG processing and applicationsHuman performance - Fatigue

Many studies have been performed to estimate joint force using surface electromyography (SEMG), however, the time-variant characteristics...

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Locomotor Training through a 3D Cable-Driven Robotic System for Walking Function in Children with Cerebral Palsy: A Pilot Study

Wu, Ming ;   Kim, Janis ;   Arora, Pooja ;   Gaebler-Spira, Deborah ;   Zhang, Yunhui

Tags Neuromuscular systems - LocomotionHuman performance - GaitNeuromuscular systems - Learning and adaption

Locomotor training using treadmill has been shown to elicit significant improvements in locomotor ability for some children with cerebral palsy...

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Muscle Synergy Analysis for Similar Upper Limb Motion Tasks

Tang, Lu ;   Li, Fei ;   Cao, Shuai ;   Zhang, Xu ;   Chen, Xiang

Tags Neuromuscular systems - EMG processing and applicationsNeuromuscular systems - LocomotionNeural signal processing

Muscle synergy is considered as a vector specifying a pattern of relative muscle activation. The goal of this paper is to explore whether...

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Optimizing Pattern Recognition-Based Control for Partial-Hand Prosthesis Application

Earley, Eric ;   Adewuyi, Adenike ;   Hargrove, Levi

Tags Neuromuscular systems - EMG processing and applicationsMotor neuroprostheses - Prostheses

Partial-hand amputees often retain good residual wrist motion, which is essential for functional activities involving use of the hand. Thus, a...

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Robot-Assisted Motor Training: Assistance Decreases Exploration During Reinforcement Learning

Sans-Muntadas, Albert ;   Duarte, Jaime E. ;   Reinkensmeyer, David J.

Tags Neuromuscular systems - Learning and adaptionMotor learning, neural control, and neuromuscular systems

Reinforcement learning (RL) is a form of motor learning that robotic therapy devices could potentially manipulate to promote...

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Statistics of Inter-Spike Intervals As a Routine Measure of Accuracy in Automatic Decomposition of Surface Electromyogram

Hu, Xiaogang ;   Suresh, Nina ;   Jeon, Brian ;   Shin, Henry ;   Rymer, William Zev

Tags Neuromuscular systems - EMG processing and applicationsNeural signal processing

Automated motor unit (MU) decomposition algorithms of surface electromyogram (EMG) have been developed recently. However, a routine...

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Synergy Analysis As a Tool to Design and Assess an Effective Stroke Rehabilitation

Urra, Oiane ;   Casals, Alicia ;   Jané, Raimon

Tags Neuromuscular systems - EMG processing and applicationsNeurological disorders - StrokeHuman performance - Sensory-motor

The poor rehabilitation success rate, including the cases of ineffective and detrimental adaptations, make stroke a leading cause of disability....

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The Effect of Powered Prosthesis Control Signals on Trial-By-Trial Adaptation to Visual Perturbations

Johnson, Reva ;   Kording, Konrad ;   Hargrove, Levi ;   Sensinger, Jonathon W.

Tags Neuromuscular systems - Learning and adaptionNeuromuscular systems - EMG processing and applicationsNeuromuscular systems - EMG models

Powered prostheses have the potential to restore abilities lost to amputation; however, many users report dissatisfaction with the control...

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Tongue Motor Training Support System

Sasaki, Makoto ;   Onishi, Kohei ;   Nakayama, Atsushi ;   Kamata, Katsuhiro ;   Stefanov, Dimitar ;   Yamaguchi, Masaki

Tags Neuromuscular systems - EMG processing and applicationsNeural interfaces - Bioelectric sensors

In this paper, we introduce a new tongue-training system that can be used for improvement of the tongue's range of motion and muscle...

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Using Fuzzy Logic in Psychophysical Experiments to Separate Hits, False Positives and Guesses in Posturally Perturbed Standing Subjects

Sani, Shahrokh ;   Robinson, Charles

Tags Neuromuscular systems - Postural and balance

Abstract- In a 2-Alternative Forced Choice Interval task (2AFCi), a standing subject is required to press a button once or twice to signal in...

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