A New Generation of Double-Sided Intramuscular Electrodes for Multi-Channel Recording and Stimulation

Poppendieck, Wigand ;   Muceli, Silvia ;   Dideriksen, Jakob ;   Rocon, Eduardo ;   Pons, Jose Luis ;   Farina, Dario ;   Hoffmann, Klaus-Peter

Tags Neural interfaces – Microelectrode technologyMotor neuroprostheses – Neuromuscular stimulationNeurological disorders – Diagnostic and evaluation techniques

In this work, a new generation of intramuscular multi-channel electrode for EMG recording and muscle stimulation is presented. The electrode is…

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An Embedded System for Simultaneous and Proportional Myoelectric Control of Upper Limb Prostheses

Hahne, Janne ;   Müller, Klaus-Robert ;   Farina, Dario

Tags Motor neuroprostheses – ProsthesesRehabilitation – Wearable systemsMotor learning, neural control, and neuromuscular systems

Clinically available control techniques for myoelectric prostheses allow the activation of only one degree of freedom (DOF) at a time. In this…

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Decoding of the Endogenous Somatic Attention by Utilizing Brain Signals Induced from Tactile Selective Sensation

Yao, Lin ;   Farina, Dario

Tags Brain-computer/machine interfaceSensory neuroprostheses – SomatosensoryBrain functional imaging – EEG

Decoding the subjective attention or intention is the main target of brain-computer interface research. In this study, we tried to validate…

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EMG Biofeedback for Improved Accuracy and Precision of Routine Grasping using Myoelectric Prostheses

Dosen, Strahinja ;   Markovic, Marko ;   Schweisfurth, Meike Annika ;   Hartmann, Cornelia ;   De Nunzio, Alessandro Marco ;   Farina, Dario

Tags Neural interfaces – Biomaterials

This study presents a novel approach to closing the loop in myoelectric prostheses by feeding back to the user the information on the…

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Estimating EMG Signals to Drive NeuroMusculoSkeletal Models in Cyclic Rehabilitation Movements

Tagliapietra, Luca ;   Vivian, Michele ;   Sartori, Massimo ;   Farina, Dario ;   Reggiani, Monica

Tags Modeling and simulation in musculoskeletal biomechanicsAssistive and cognitive robotics in rehabilitationAssistive and cognitive robotics in aided living

A main challenge in the development of robotic rehabilitation devices is how to understand patient’s intentions and adapt to his/her current…

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Impaired Regulation Post-Stroke of Motor Unit Firing Behavior during Volitional Relaxation of Knee Extensor Torque Assessed using High Density Surface EMG Decomposition

Murphy, Spencer ;   Berrios, Reivian ;   Nelson, Andrew ;   Negro, Francesco ;   Farina, Dario ;   Schmit, Brian ;   Hyngstrom, Allison

Tags Rehabilitation – StrokeRehabilitationNeurological disorders

The purpose of this study was to use high density surface EMG recordings to quantify stroke-related abnormalities in motor unit firing…

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Individual Finger Classification from Surface EMG: Influence of Electrode Set

Celadon, Nicolò ;   Dosen, Strahinja ;   Paleari, Marco ;   Farina, Dario ;   Ariano, Paolo

Tags Biomedical signal classificationPattern recognition methods for data mining in biosignals

The aim of this work was to minimize the number of channels, determining acceptable electrode locations and optimizing electrode-recording…

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Learning an Internal Model of Myoelectric Prostheses to Improve Accuracy of Grasping Force: The Importance of a Vibrotactile Feedback

De Nunzio, Alessandro Marco ;   Lemling, Sabrina ;   Markovic, Marko ;   Dosen, Strahinja ;   Schweisfurth, Meike Annika ;   Hartmann, Cornelia ;   Graimann, Bernhard ;   Farina, Dario

Tags Sensory neuroprostheses – SomatosensoryMotor neuroprostheses – ProsthesesMotor learning, neural control, and neuromuscular systems

This study aimed at evaluating the accuracy and precision of the grasping force control, exerted through a myoelectric hand prosthesis,…

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Neuroplasticity Induction by a Fast Brain Switch Triggered Sensory Feedback: A Comparison of Electrical and Mechanical Stimulation

Xu, Ren ;   Jiang, Ning ;   Mrachacz-Kersting, Natalie ;   Dremstrup, Kim ;   Farina, Dario

Tags Brain-computer/machine interfaceRehabilitation – StrokeNeural stimulation – Transcranial magnetic stimulation (TMS)

In this study, we compared electrical and mechanical stimulation triggered by a brain switch for inducing neuroplasticity. The preliminary…

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Preliminary Evaluation of the Tactile Feedback System based on Artificial Skin and Electrotactile Stimulation

Franceschi, Marta ;   Seminara, Lucia ;   Pinna, Luigi ;   Dosen, Strahinja ;   Farina, Dario ;   Valle, Maurizio

Tags RehabilitationRehabilitation – RoboticsSensory neuroprostheses – Somatosensory

This research is motivated by the need of integrating cutaneous sensing into a prosthetic device, enabling a bidirectional communication…

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Sparse Source Separation of High-Density Intramuscular EMG Signals

Negro, Francesco ;   Muceli, Silvia ;   Lin, Chuang ;   Farina, Dario

Tags Blind source separationSignal processing in physiological systems

The automatic decomposition of multi-channel EMG signals can be efficiently addressed using blind source separation methods. However,…

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Theoretical Model and Experimental Validation of the Estimated Proportions of Common and Independent Input to Motor Neurons

Castronovo, Anna Margherita ;   Negro, Francesco ;   Farina, Dario

Tags Motor learning, neural control, and neuromuscular systems

Motor neurons in the spinal cord receive synaptic input that comprises common and independent components. The part of synaptic input that…

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Wireless Radio Channel for Intramuscular Electrode Implants in the Control of Upper Limb Prostheses

Stango, Antonietta ;   Yekeh Yazdandoost, Kamya ;   Farina, Dario

Tags Implantable technologiesBody sensor networks and telemetric systems

In the last few years the use of implanted devices has been considered also in the field of myoelectric hand prostheses. Wireless implanted…

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