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Akademický článek

Measurement of stretch-evoked brainstem function using fMRI

Autor: Andrea Zonnino, Andria J. Farrens, David Ress, Fabrizio Sergi

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-21 (2021)

Abstract Knowledge on the organization of motor function in the reticulospinal tract (RST) is limited by the lack of methods for measuring RST function in humans. Behavioral studies suggest the involvement of the RST in long latency responses (LLRs).

Externí odkaz: https://doaj.org/article/01b668478988480e86891f4d7f7c805b

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Akademický článek

Effects of Perturbation Velocity, Direction, Background Muscle Activation, and Task Instruction on Long-Latency Responses Measured From Forearm Muscles

Autor: Jacob Weinman, Paria Arfa-Fatollahkhani, Andrea Zonnino, Rebecca C. Nikonowicz, Fabrizio Sergi

Publikováno v: Frontiers in Human Neuroscience, Vol 15 (2021)

The central nervous system uses feedback processes that occur at multiple time scales to control interactions with the environment. The long-latency response (LLR) is the fastest process that directly involves cortical areas, with a motoneuron respon

Externí odkaz: https://doaj.org/article/95ca49e8f99f4035bdbf0bf524beed92

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Akademický článek

Measurement of stretch-evoked brainstem function using fMRI.

Autor: Zonnino, Andrea¹ (AUTHOR), Farrens, Andria J.¹ (AUTHOR), Ress, David² (AUTHOR), Sergi, Fabrizio¹ (AUTHOR) fabs@udel.edu

Publikováno v: Scientific Reports. 6/15/2021, Vol. 11 Issue 1, p1-21. 21p.

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Model-Based Estimation of Individual Muscle Force Based on Measurements of Muscle Activity in Forearm Muscles During Isometric Tasks

Autor: Fabrizio Sergi, Andrea Zonnino

Publikováno v: IEEE Transactions on Biomedical Engineering. 67:134-145

Objective: Several forward dynamics estimation approaches have been proposed to estimate individual muscle force. However, characterization of the estimation error that arises when measurements are available only from a subset of the muscles involved

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2f9e1c5b5923784b5ff8b8e63069d36b
https://doi.org/10.1109/tbme.2019.2909171

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Kinematic compatibility of a wrist robot with cable differential actuation: effects of misalignment compensation via passive joints

Autor: Andria J. Farrens, Andrea Zonnino, Haider A. Chishty, Fabrizio Sergi

We present the UDiffWrist (UDW), a low-impedance 2-DOF wrist exoskeleton featuring a cable-differential transmission. To investigate the effect of different design strategies for achieving kinematic compatibility, we developed two versions of this ro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5314768863c5e648a00b04a956bcc482
https://doi.org/10.36227/techrxiv.14906607

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Effects of Perturbation Velocity, Direction, Background Muscle Activation, and Task Instruction on Long-Latency Responses Measured From Forearm Muscles

Autor: Paria Arfa Fatollahkhani, Andrea Zonnino, Jacob Weinman, Rebecca C. Nikonowicz, Fabrizio Sergi

Publikováno v: Frontiers in Human Neuroscience
Frontiers in Human Neuroscience, Vol 15 (2021)

The centeral nervous system uses feedback processes that occur at multiple time scales to control interactions with the environment. Insight on the neuromechanical mechanisms subserving the faster feedback processes can be gained by applying rapid me

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3fb6ad629fdd6a403daee9975aefe52d
http://europepmc.org/articles/PMC8085277

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Measurement of stretch-evoked brainstem function using fMRI

Autor: Andria J. Farrens, David Ress, Fabrizio Sergi, Andrea Zonnino

Publikováno v: Scientific Reports, Vol 11, Iss 1, Pp 1-21 (2021)
Scientific Reports

Knowledge on the organization of motor function in the reticulospinal tract (RST) is limited by the lack of methods for measuring RST function in humans. Behavioral studies suggest the involvement of the RST in long latency responses (LLRs). LLRs, el

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::65f2396a0123700b6eb2f6ab7d374391
https://pubmed.ncbi.nlm.nih.gov/34131162

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Estimating Wrist Joint Torque Using Regression Ensemble of Bagged Trees under Multiple Wrist Postures

Autor: Ali H. Al-Timemy, Andrea Zonnino, Fabrizio Sergi

Publikováno v: BioRob

Powered prostheses and orthoses are expected to significantly improve quality of life of individuals with motor impairment or limb amputation. Despite the advances in the mechatronic design of powered prostheses and orthoses, their use is not yet wid

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::242e1f325c1ebf3303cd53e2b5b1bf9f
https://doi.org/10.1109/biorob49111.2020.9224456

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