Zobrazeno 1 - 10 of 173 pro vyhledávání: '"Claude Ghez"'
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Akademický článek
Spatial mapping of posture-dependent resistance to passive displacement of the hypertonic arm post-stroke
Autor: Priyanka Kanade-Mehta, Maria Bengtson, Tina Stoeckmann, John McGuire, Claude Ghez, Robert A. Scheidt
Publikováno v: Journal of NeuroEngineering and Rehabilitation, Vol 20, Iss 1, Pp 1-16 (2023)
Abstract Background Muscles in the post-stroke arm commonly demonstrate abnormal reflexes that result in increased position- and velocity-dependent resistance to movement. We sought to develop a reliable way to quantify mechanical consequences of abn
Externí odkaz: https://doaj.org/article/c21848218e194292af020948935af785
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2
Spatial mapping of posture-dependent resistance to passive displacement of the hypertonic arm post-stroke
Autor: Priyanka Kanade-Mehta, Maria Bengtson, Tina Stoeckmann, John McGuire, Claude Ghez, Robert A Scheidt
Muscles in the post-stroke arm commonly demonstrate abnormal reflexes that result in increased position- and velocity-dependent resistance to movement. We sought to develop a reliable way to quantify mechanical consequences of abnormal neuromuscular
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a29688df3bda1284e41b9fb60ea8ca40
https://doi.org/10.1101/2022.11.13.516311
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3
Akademický článek
Differences in context and feedback result in different trajectories and adaptation strategies in reaching.
Autor: Fritzie Arce, Itai Novick, Maayan Shahar, Yuval Link, Claude Ghez, Eilon Vaadia
Publikováno v: PLoS ONE, Vol 4, Iss 1, p e4214 (2009)
Computational models of motor control have often explained the straightness of horizontal planar reaching movements as a consequence of optimal control. Departure from rectilinearity is thus regarded as sub-optimal. Here we examine if subjects may in
Externí odkaz: https://doaj.org/article/fe0268fa692c430a8ee63e6053f4ed73
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5
The Arm Movement Detection (AMD) test: a fast robotic test of proprioceptive acuity in the arm
Autor: Robert A. Scheidt, Lior Botzer, Claude Ghez, Leigh A. Mrotek, Tina M. Stoeckmann, John R. McGuire, Maria C. Bengtson
Publikováno v: Journal of NeuroEngineering and Rehabilitation, Vol 14, Iss 1, Pp 1-12 (2017)
Journal of NeuroEngineering and Rehabilitation
Background: We examined the validity and reliability of a short robotic test of upper limb proprioception, the Arm Movement Detection (AMD) test, which yields a ratio-scaled, objective outcome measure to be used for evaluating the impact of sensory d
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fdc46dc4111a1bd55a886931d769d70
https://doi.org/10.1186/s12984-017-0269-3
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6
Patterns of hypermetria and terminal cocontraction during point-to-point movements demonstrate independent action of trajectory and postural controllers
Autor: Robert A. Scheidt, Supriya Asnani, Claude Ghez
Publikováno v: Journal of Neurophysiology. 106:2368-2382
We examined elbow muscle activities and movement kinematics to determine how subjects combine elementary control actions in performing movements with one and two trajectory segments. In reaching, subjects made a rapid elbow flexion to a visual target
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4d19fe782a87b23a1936d9c12ac08727
https://doi.org/10.1152/jn.00763.2010
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7
Learning of a Sequential Motor Skill Comprises Explicit and Implicit Components That Consolidate Differently
Autor: Giulia Silvestri, M. Felice Ghilardi, Claude Ghez, Clara Moisello, John W. Krakauer
Publikováno v: Journal of Neurophysiology. 101:2218-2229
The ability to perform accurate sequential movements is essential to normal motor function. Learning a sequential motor behavior is comprised of two basic components: explicit identification of the order in which the sequence elements should be perfo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b41341560e9ab91e9dd901acd75a76e5
https://doi.org/10.1152/jn.01138.2007
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8
Separate Adaptive Mechanisms for Controlling Trajectory and Final Position in Reaching
Autor: Claude Ghez, Robert A. Scheidt
Publikováno v: Journal of Neurophysiology. 98:3600-3613
We examined control of the hand's trajectory (direction and shape) and final equilibrium position in horizontal planar arm movements by quantifying transfer of learned visuomotor rotations between two tasks that required aiming the hand to the same s
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fd34ca94ad761fe367e6fed4350898dc
https://doi.org/10.1152/jn.00121.2007
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10
The arm motion detection (AMD) test
Autor: Leigh A. Mrotek, Maria C. Bengtson, Robert A. Scheidt, Claude Ghez, Tina M. Stoeckmann
Publikováno v: EMBC
Stroke can lead to sensory deficits that impair functional control of arm movements. Here we describe a simple test of arm motion detection (AMD) that provides an objective, quantitative measure of movement perception related proprioceptive capabilit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a6b754d9a9105671bd7b4af8341baf2d
https://pubmed.ncbi.nlm.nih.gov/25571202
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